Your FREE Inpatient Obstetric Nursing (RNC-OB) Practice Test 2026 – 380+ Q&A

RNC-OB Practice Questions

1. A 32-year-old patient at 28 weeks of gestation presents with sudden onset of severe abdominal pain, vaginal bleeding, and hypotension. The most likely diagnosis is:
   • Ruptured myometrium
   • Placental abruption
   • Degenerated fibroid
   • Morbid placentation

   Correct answer: Placental abruption

   Placental abruption is the diagnosis: premature separation of a normally implanted placenta produces exactly this triad of sudden severe abdominal pain, vaginal bleeding, and hypovolemic hypotension in the third trimester. Ruptured myometrium is essentially confined to a scarred uterus under labor forces and would be extraordinary at 28 weeks in a quiet uterus. Morbid placentation stays clinically silent until separation of the placenta is attempted at delivery, so it does not present acutely now. A degenerated fibroid causes severe focal pain as it outgrows its blood supply, but it produces neither bleeding nor circulatory collapse.

2. In a patient with preeclampsia, which of the following symptoms would necessitate immediate medical intervention?
   • Swelling of the ankles
   • Tingling of the digits
   • Blurring of the vision
   • Cramping of the calves

   Correct answer: Blurring of the vision

   Blurring of the vision is the finding that demands immediate intervention, because it reflects cerebral and retinal involvement and marks preeclampsia with severe features that can progress to eclampsia. Swelling of the ankles is ordinary dependent edema and carries no prognostic weight. Cramping of the calves reflects benign muscle cramps of late pregnancy. Tingling of the digits is a positional or carpal tunnel phenomenon of pregnancy rather than end-organ injury, so none of the three call for urgent treatment.

3. A pregnant patient presents with hyperemesis gravidarum. What is the primary treatment goal for this condition?
   • Enhance maternal nutrition
   • Avoid pulmonary aspiration
   • Prevent thiamine depletion
   • Restore serum electrolytes

   Correct answer: Restore serum electrolytes

   Restore serum electrolytes states the primary goal: intractable vomiting in hyperemesis gravidarum drives hypokalemia, hypochloremia, and hypochloremic metabolic alkalosis, and repletion of fluid and electrolytes stabilizes the patient before anything else is attempted. Enhance maternal nutrition becomes the goal only after the vomiting is controlled. Avoid pulmonary aspiration is a general airway precaution, not the treatment target for this condition. Prevent thiamine depletion is a genuine adjunct against Wernicke encephalopathy but is subordinate to correcting the biochemical derangement.

4. In the context of gestational diabetes, which of the following fetal complications is most commonly associated?
   • Excessive birth weight
   • Neural tube dysraphism
   • Cardiac septal defects
   • Slowed skeletal growth

   Correct answer: Excessive birth weight

   Excessive birth weight is the answer: maternal hyperglycemia crosses the placenta, drives fetal hyperinsulinemia, and accelerates deposition in insulin-sensitive tissue, which makes macrosomia the complication most commonly linked to gestational diabetes. Neural tube dysraphism and cardiac septal defects arise during organogenesis and belong to pregestational diabetes, since gestational diabetes appears well after those structures have formed. Slowed skeletal growth points instead to placental vasculopathy and is the opposite of the growth pattern seen here.

5. A patient at 35 weeks gestation with a history of deep vein thrombosis (DVT) is most likely to be managed with which of the following medications?
   • Standard warfarin therapy
   • Scheduled heparin therapy
   • Daily clopidogrel therapy
   • Regular ibuprofen therapy

   Correct answer: Scheduled heparin therapy

   Scheduled heparin therapy is the management of choice, because heparin is a large molecule that does not cross the placenta and so treats the venous thrombosis without exposing the fetus. Standard warfarin therapy does cross the placenta and is both teratogenic and fetotoxic, and it also raises the risk of fetal intracranial bleeding at delivery. Daily clopidogrel therapy blocks platelet aggregation, which addresses arterial rather than venous thrombus formation, and its safety in pregnancy is unestablished. Regular ibuprofen therapy has no anticoagulant action at all and constricts the ductus arteriosus late in gestation.

6. A pregnant patient at 24 weeks gestation presents with painless, bright red vaginal bleeding. The most likely diagnosis is:
   • Cervical lesion
   • Vaginal varices
   • Placenta previa
   • Ruptured uterus

   Correct answer: Placenta previa

   Placenta previa is the diagnosis: placental tissue lying over the cervical os shears as the lower uterine segment forms, giving painless bright red loss in the second half of pregnancy. A ruptured uterus is a painful catastrophe of a scarred uterus under labor forces and does not occur silently at 24 weeks. A cervical lesion such as an ectropion or polyp bleeds on contact in small volumes rather than spontaneously and brightly. Vaginal varices bleed from a visible distended vessel below the cervix and would be identified on inspection instead.

7. Which condition is most likely to result in fetal bradycardia during labor?
   • Intrapartum maternal fever
   • Untreated hemolytic anemia
   • Particulate meconium fluid
   • Excessive uterine activity

   Correct answer: Excessive uterine activity

   Excessive uterine activity is the condition most likely to slow the fetal heart: contractions that come too often or last too long never let the intervillous space refill, oxygen delivery falls, and the fetus responds with bradycardia. Intrapartum maternal fever drives the baseline up rather than down. Untreated hemolytic anemia produces a sinusoidal baseline, which is a different pattern altogether. Particulate meconium fluid marks a fetus that has been stressed at some earlier point but does not itself slow the heart rate.

8. In managing a pregnant patient with severe preeclampsia, which medication is primarily used to prevent seizures?
   • Parenteral magnesium sulfate
   • Repeated labetalol infusions
   • Oral nifedipine preparations
   • Enteral phenytoin suspension

   Correct answer: Parenteral magnesium sulfate

   Parenteral magnesium sulfate is the agent used to prevent eclamptic seizures in severe preeclampsia, and it outperforms conventional anticonvulsants for that specific purpose. Repeated labetalol infusions and oral nifedipine preparations lower blood pressure, which protects against maternal stroke but does nothing to raise the seizure threshold. Enteral phenytoin suspension is an anticonvulsant, yet it is measurably inferior to magnesium for eclampsia prophylaxis and the enteral route is unusable in a woman who may convulse.

9. A patient with a twin pregnancy is at increased risk for which of the following complications?
   • Protracted gestation of the twins
   • Transfusion syndrome of the twins
   • Diminished movements of the twins
   • Elevated birthweight of the twins

   Correct answer: Transfusion syndrome of the twins

   Transfusion syndrome of the twins is the complication: in a monochorionic placenta, unbalanced flow across shared vascular anastomoses leaves the donor hypovolemic and oligohydramniotic while the recipient becomes hypervolemic and polyhydramniotic. Protracted gestation of the twins inverts the real risk, since multiple gestations deliver early rather than late. Elevated birthweight of the twins is likewise backwards, because each fetus is usually smaller than a singleton. Diminished movements of the twins is a non-specific observation with no particular association with a multiple pregnancy.

10. In a patient with oligohydramnios, which of the following is the most concerning fetal risk?
    • Atresia of the esophagus
    • Overgrowth of the tongue
    • Deformities of the limbs
    • Blockage of the duodenum

    Correct answer: Deformities of the limbs

    Deformities of the limbs is the concerning risk: without a fluid cushion the uterine wall presses directly on the fetus, and sustained compression produces positional contractures and deformity alongside pulmonary hypoplasia. Atresia of the esophagus blocks fetal swallowing and therefore causes an excess of amniotic fluid, the opposite picture. Blockage of the duodenum likewise prevents fluid from being absorbed downstream and produces polyhydramnios. Overgrowth of the tongue belongs to overgrowth syndromes that also run with excess fluid rather than a deficit.

11. Which of the following is a recommended treatment for intrahepatic cholestasis of pregnancy?
    • Cholestyramine resin sachets
    • Topical antihistamine lotion
    • Tapered prednisolone tablets
    • Ursodeoxycholic acid therapy

    Correct answer: Ursodeoxycholic acid therapy

    Ursodeoxycholic acid therapy is the treatment of choice: it lowers circulating bile acid concentrations, eases the pruritus, and improves maternal liver chemistries. Cholestyramine resin sachets bind bile salts in the gut but relieve the itch poorly and impair absorption of fat-soluble vitamins. Tapered prednisolone tablets have never been shown to bring bile acid levels down in this disorder. Topical antihistamine lotion treats the skin surface alone and leaves the underlying cholestasis untouched.

12. In the context of preterm labor, which of the following interventions is primarily aimed at enhancing fetal lung maturity?
    • Antenatal corticosteroid course
    • Intravenous tocolytic treatment
    • Neuroprotective magnesium bolus
    • Prophylactic antibiotic therapy

    Correct answer: Antenatal corticosteroid course

    Antenatal corticosteroid course is the intervention aimed squarely at lung maturity: betamethasone or dexamethasone given to the mother crosses the placenta and accelerates surfactant production, which cuts neonatal respiratory distress syndrome. Intravenous tocolytic treatment merely buys the time for that steroid to act and has no direct effect on the alveoli. Neuroprotective magnesium bolus lowers the risk of cerebral palsy, an entirely different endpoint. Prophylactic antibiotic therapy addresses infection and does nothing for surfactant production.

13. A pregnant patient with a known complete placenta previa at 34 weeks gestation is most likely to deliver by:
    • Spontaneous vertex delivery
    • Operative cesarean delivery
    • Rotational forceps delivery
    • Oxytocin augmented delivery

    Correct answer: Operative cesarean delivery

    Operative cesarean delivery is the route: with placental tissue completely covering the internal os, any cervical dilation shears the placental bed and produces torrential bleeding, so the abdominal route is planned before labor begins. Spontaneous vertex delivery is exactly the outcome that must be prevented. Rotational forceps delivery still demands full cervical dilation and passage of the fetus through the covering placenta. Oxytocin augmented delivery would drive contractions against that placenta and accelerate the hemorrhage.

14. The presence of which antibody is most concerning for hemolytic disease of the newborn?
    • Duffy anti-Fy antibody
    • Lewis anti-Le antibody
    • Rhesus anti-D antibody
    • Kidd anti-Jka antibody

    Correct answer: Rhesus anti-D antibody

    Rhesus anti-D antibody is the most concerning: it is an IgG that crosses the placenta freely, coats fetal red cells, and drives the severe anemia and hydrops of classic hemolytic disease of the newborn. Lewis anti-Le antibody is an IgM that does not cross the placenta and has no fetal consequence at all. Duffy anti-Fy antibody and Kidd anti-Jka antibody can produce hemolysis, but they do so uncommonly and usually mildly, so neither approaches the severity that anti-D causes.

15. Which diagnostic tool is most appropriate for confirming suspected intrauterine growth restriction (IUGR)?
    • Serum fetoprotein assay
    • Targeted fetal echogram
    • Amniotic fluid puncture
    • Doppler flow ultrasound

    Correct answer: Doppler flow ultrasound

    Doppler flow ultrasound is the tool of choice: velocimetry of the umbilical and cerebral vessels documents the raised placental resistance and the redistribution of blood flow that confirm true growth restriction and set the timing of delivery. Serum fetoprotein assay screens for aneuploidy and open neural tube defects and measures nothing about growth. Targeted fetal echogram examines cardiac structure only. Amniotic fluid puncture yields cells for karyotype or infection studies and gives no information on fetal size or placental function.

16. In a patient with eclampsia, the initial management step after stabilizing the mother's airway and administering oxygen is to:
    • Initiate magnesium sulfate
    • Perform emergency cesarean
    • Titrate labetalol infusion
    • Arrange immediate delivery

    Correct answer: Initiate magnesium sulfate

    Initiate magnesium sulfate is the step that follows airway control and oxygen: magnesium terminates the current convulsion and prevents recurrence, which is the immediate threat to both mother and fetus. Perform emergency cesarean and arrange immediate delivery are both premature, because operating on a convulsing, acidotic woman worsens outcomes for the pair and the fetus often recovers once the mother is stable. Titrate labetalol infusion addresses severe hypertension, a real priority but one that follows seizure control rather than preceding it.

17. A significant risk factor for placental abruption includes:
    • Uncomplicated cesarean history
    • Maternal hypertensive disorder
    • Untreated gestational diabetes
    • Teenaged primigravid pregnancy

    Correct answer: Maternal hypertensive disorder

    Maternal hypertensive disorder is the significant risk factor: chronic hypertension, gestational hypertension, and preeclampsia all damage the spiral arteries, and that diseased vascular bed is what separates prematurely. Uncomplicated cesarean history bears on uterine rupture and abnormal placental adherence rather than on separation. Untreated gestational diabetes is tied to excessive fetal growth and stillbirth, not to placental separation. Teenaged primigravid pregnancy inverts the association, since it is advanced age rather than youth that raises this risk.

18. What is the most common symptom of a molar pregnancy?
    • Severe pelvic pain
    • Early onset nausea
    • Vaginal blood loss
    • Marked ankle edema

    Correct answer: Vaginal blood loss

    Vaginal blood loss is the most common presenting symptom of a hydatidiform mole, since the abnormal villi separate from the decidua and bleed, often with passage of vesicular tissue. Early onset nausea does accompany the very high hCG of a mole but is reported by a minority of patients. Marked ankle edema belongs to the early preeclampsia a mole can provoke, which is uncommon and late. Severe pelvic pain is not characteristic of a mole at all and points instead toward torsion or ectopic implantation.

19. The most effective method to diagnose amniotic fluid embolism is:
    • Cytologic analysis of aspirates
    • Biochemical assay of complement
    • Radionuclide perfusion of lungs
    • Clinical diagnosis of exclusion

    Correct answer: Clinical diagnosis of exclusion

    Clinical diagnosis of exclusion is the method: there is no confirmatory test for amniotic fluid embolism, so it is recognized from the abrupt cardiorespiratory collapse and coagulopathy around delivery once other causes have been ruled out. Cytologic analysis of aspirates for fetal squames is neither sensitive nor specific, because squames circulate in unaffected women too. Biochemical assay of complement remains a research measure with no validated cutoff. Radionuclide perfusion of lungs images thromboembolic disease and cannot identify this syndrome.

20. In the management of a patient with postpartum hemorrhage, which medication is initially preferred to contract the uterus?
    • Intravenous oxytocin infusion
    • Repeated carboprost injection
    • Sublingual misoprostol tablet
    • Cervical dinoprostone pessary

    Correct answer: Intravenous oxytocin infusion

    Intravenous oxytocin infusion is the first agent reached for: it saturates abundant myometrial receptors, contracts the uterus within minutes, and carries the widest safety margin of the uterotonics. Repeated carboprost injection and sublingual misoprostol tablet are genuine uterotonics, but both are held in reserve for bleeding that continues after oxytocin. Cervical dinoprostone pessary softens the cervix before labor and has no role at all in controlling bleeding after birth.

21. A patient at 20 weeks gestation with a cerclage in place reports sudden gush of clear fluid and vaginal pressure. The initial assessment should focus on:
    • Listening for fetal decelerations
    • Inspecting for umbilical prolapse
    • Palpating for uterine contraction
    • Measuring for fundal displacement

    Correct answer: Inspecting for umbilical prolapse

    Inspecting for umbilical prolapse is where the initial assessment must go: a cerclage holds a cervix that has already been under strain, and a sudden gush with pressure means the membranes have given way, so the cord may have been swept ahead of the presenting part. Listening for fetal decelerations detects the consequence of a prolapse rather than the prolapse itself and spends the very minutes in which it could be relieved. Palpating for uterine contraction and measuring for fundal displacement return useful background information but neither addresses the emergency in front of the nurse.

22. In a patient with preterm premature rupture of membranes (PPROM), which intervention is most appropriate to reduce neonatal morbidity?
    • Immediate operative delivery
    • Continual electronic tracing
    • Maternal steroid prophylaxis
    • Repeated amniotic aspiration

    Correct answer: Maternal steroid prophylaxis

    Maternal steroid prophylaxis is the intervention that most reduces neonatal morbidity: corticosteroids given to the mother accelerate surfactant production and lower rates of respiratory distress, intraventricular hemorrhage, and necrotizing enterocolitis. Immediate operative delivery removes the latency period during which those benefits accrue and adds prematurity of its own. Continual electronic tracing watches the fetus but by itself changes no neonatal outcome. Repeated amniotic aspiration has no role once membranes have ruptured and risks seeding infection into the cavity.

23. A patient with gestational hypertension is most at risk for developing:
    • Chronic thrombocytopenia
    • Intrahepatic cholestasis
    • Persistent hyperglycemia
    • Established preeclampsia

    Correct answer: Established preeclampsia

    Established preeclampsia is what she is most likely to develop: a substantial share of women whose pressure rises after twenty weeks without proteinuria progress to preeclampsia, and the earlier the pressure rises the larger that share becomes. Persistent hyperglycemia arises from a separate metabolic pathway and is not a sequel of raised blood pressure. Chronic thrombocytopenia describes a pre-existing platelet state rather than something gestational hypertension brings on. Intrahepatic cholestasis is a disorder of bile transport with no relationship to maternal blood pressure.

24. Which symptom in a postpartum patient is indicative of Sheehan's syndrome?
    • Failure of lactation
    • Tenderness of uterus
    • Recurrence of lochia
    • Tightness of breasts

    Correct answer: Failure of lactation

    Failure of lactation is the pointer to Sheehan syndrome: infarction of the enlarged pituitary after an obstetric hemorrhage abolishes prolactin, so milk never comes in, and this is typically the first deficiency the woman notices. Tightness of breasts describes ordinary engorgement, which is the opposite of what a prolactin-deficient woman experiences. Recurrence of lochia suggests retained products or subinvolution of the placental site. Tenderness of uterus points toward endometritis, and neither has any bearing on pituitary infarction.

25. For a patient with placenta accreta, which of the following is the recommended delivery plan?
    • Vaginal delivery with continuous fetal monitoring
    • Planned cesarean birth with possible hysterectomy
    • Labor induction with immediate blood availability
    • Expectant management with weekly ultrasound scans

    Correct answer: Planned cesarean birth with possible hysterectomy

    Planned cesarean birth with possible hysterectomy is the recommended plan: invaded myometrium will not release the placenta, so delivery is scheduled in a prepared theater with blood products and surgical support, and the uterus is removed with the placenta left in place. Vaginal delivery with continuous fetal monitoring forces the separation that causes catastrophic bleeding. Labor induction with immediate blood availability forces the same separation, and blood on standby mitigates rather than prevents it. Expectant management with weekly ultrasound scans simply postpones the problem to an unplanned hemorrhage at an unpredictable hour.

26. The use of magnesium sulfate in a patient with preeclampsia is primarily to prevent:
    • Maternal hypertension
    • Uterine hyperactivity
    • Eclamptic convulsions
    • Postpartum hemorrhage

    Correct answer: Eclamptic convulsions

    Eclamptic convulsions are what magnesium sulfate is prescribed to prevent, since it raises the seizure threshold and reduces progression from preeclampsia to eclampsia better than any alternative anticonvulsant. Maternal hypertension needs a separate antihypertensive, because magnesium lowers blood pressure only trivially and transiently. Uterine hyperactivity is indeed suppressed by magnesium at tocolytic doses, but that is not the reason it is given in preeclampsia. Postpartum hemorrhage is made more rather than less likely by magnesium, which relaxes the myometrium.

27. In the case of fetal demise after 20 weeks of gestation, which of the following is a critical concern for the mother?
    • Emergence of unrecognized hyperglycemia
    • Establishment of permanent hypertension
    • Acceleration of maternal thyrotoxicosis
    • Development of consumptive coagulopathy

    Correct answer: Development of consumptive coagulopathy

    Development of consumptive coagulopathy is the critical maternal concern after fetal demise: thromboplastin released from the retained dead fetus activates the clotting cascade, consumes fibrinogen and platelets, and can produce uncontrollable bleeding, with the risk climbing the longer the fetus is retained. Establishment of permanent hypertension has no mechanistic link to fetal death. Emergence of unrecognized hyperglycemia is a general screening matter of pregnancy rather than a consequence of demise. Acceleration of maternal thyrotoxicosis is unrelated to the death of the fetus.

28. A pregnant patient presents with a thyroid storm. What is the immediate treatment priority?
    • Beta receptor blockade
    • Oral thionamide dosage
    • Urgent thyroid removal
    • Iodine isotope therapy

    Correct answer: Beta receptor blockade

    Beta receptor blockade is the immediate priority in thyroid storm: propranolol or esmolol blunts the adrenergic surge within minutes, controlling the tachycardia, tremor, and high-output cardiac failure that kill in the acute phase. Oral thionamide dosage is essential to stop hormone synthesis but takes hours to days to matter. Iodine isotope therapy is absolutely contraindicated in pregnancy because it destroys the fetal thyroid. Urgent thyroid removal is a definitive option that is only entertained once the crisis has been brought under control.

29. For a patient with a history of recurrent early pregnancy losses, which of the following is a recommended evaluation?
    • Sequential gonadotropin assay
    • Parental chromosomal analysis
    • Preemptive cerclage placement
    • Weekly progesterone injection

    Correct answer: Parental chromosomal analysis

    Parental chromosomal analysis is the recommended evaluation: a balanced translocation carried by one partner accounts for a small but important share of couples with recurrent early loss, and finding it changes counseling and prenatal testing entirely, which is why both partners are karyotyped. Sequential gonadotropin assay documents a loss that has already occurred and explains nothing about its cause. Weekly progesterone injection is a treatment of contested benefit rather than an evaluation. Preemptive cerclage placement addresses second-trimester cervical insufficiency, which is not the mechanism of early loss.

30. The most effective strategy to prevent vertical transmission of HIV from a pregnant woman to her fetus is:
    • Repeated immunoglobulin infusions
    • Prophylactic abdominal childbirth
    • Antepartum antiretroviral therapy
    • Extended unsupplemented lactation

    Correct answer: Antepartum antiretroviral therapy

    Antepartum antiretroviral therapy is the most effective strategy: driving the maternal viral load to undetectable levels before delivery cuts transmission to well under one percent and outweighs every other measure. Prophylactic abdominal childbirth adds benefit only when the viral load is still high near term, so it is an adjunct rather than the leading strategy. Extended unsupplemented lactation transmits virus in breast milk and raises the risk instead of lowering it. Repeated immunoglobulin infusions have never been shown to prevent perinatal transmission.

31. What is the most likely fetal heart rate (FHR) pattern seen with umbilical cord compression?
    • Gradual uniform decelerations
    • Persistent late decelerations
    • Extended single decelerations
    • Abrupt variable decelerations

    Correct answer: Abrupt variable decelerations

    Abrupt variable decelerations are the pattern of cord compression: occlusion of the umbilical vessels triggers a baroreceptor and chemoreceptor response that drops the rate sharply and returns it just as sharply, with no fixed relationship to the contraction. Gradual uniform decelerations mirror the contraction and reflect head compression instead. Persistent late decelerations begin after the contraction peaks and mark uteroplacental insufficiency. Extended single decelerations run for minutes at a time and describe a sustained insult such as maternal hypotension, not the brief repetitive dips of intermittent occlusion.

32. A fetus with anemia would most likely display which of the following Doppler ultrasound findings?
    • Raised systolic velocity in the middle cerebral artery
    • Absent diastolic signal in the single umbilical artery
    • Bilateral notched trace in the maternal uterine artery
    • Elevated vascular resistance in the fetal renal artery

    Correct answer: Raised systolic velocity in the middle cerebral artery

    Raised systolic velocity in the middle cerebral artery is the finding: anemic blood is less viscous and cardiac output rises, so cerebral flow accelerates, and this measurement is the accepted non-invasive screen for fetal anemia. Absent diastolic signal in the single umbilical artery reflects high placental resistance and growth restriction rather than anemia. Bilateral notched trace in the maternal uterine artery is a marker of poor trophoblast invasion and preeclampsia risk. Elevated vascular resistance in the fetal renal artery accompanies hypoxic redistribution and oligohydramnios, again a different mechanism.

33. Which FHR pattern is considered a sign of fetal well-being during non-stress testing (NST)?
    • Narrowed variability with fetal immobility
    • Repeated accelerations with fetal movement
    • Recurrent decelerations with fetal hypoxia
    • Sustained tachycardia with fetal infection

    Correct answer: Repeated accelerations with fetal movement

    Repeated accelerations with fetal movement define a reactive test and are the sign of well-being, because an intact and well-oxygenated autonomic nervous system raises the heart rate whenever the fetus moves. Narrowed variability with fetal immobility means at best a sleep cycle and at worst developing acidemia, so it is not reassuring. Recurrent decelerations with fetal hypoxia are frankly abnormal. Sustained tachycardia with fetal infection points to chorioamnionitis and is the opposite of a reassuring result.

34. In the context of fetal monitoring, what does a 'saltatory' pattern refer to?
    • Baseline FHR recording lacking short-term variability
    • Baseline FHR waveform revealing sine-wave undulations
    • Baseline FHR fluctuations exceeding twenty-five beats
    • Baseline FHR level steadily remaining below-threshold

    Correct answer: Baseline FHR fluctuations exceeding twenty-five beats

    Baseline FHR fluctuations exceeding twenty-five beats is what saltatory describes: the baseline swings widely above and below itself, most often after an acute hypoxic insult or intermittent cord compression. Baseline FHR recording lacking short-term variability is absent variability, a separate and more ominous category. Baseline FHR waveform revealing sine-wave undulations is the sinusoidal pattern of severe fetal anemia. Baseline FHR level steadily remaining below-threshold is simply bradycardia, which concerns the level of the baseline rather than the width of its swing.

35. The presence of 'mirror artifact' in fetal heart rate monitoring is most commonly associated with which type of monitoring?
    • Intrauterine scalp electrode
    • Elastic belt tocodynamometer
    • Wireless telemetric receiver
    • Abdominal Doppler ultrasound

    Correct answer: Abdominal Doppler ultrasound

    Abdominal Doppler ultrasound is where a mirror artifact arises: the external transducer can lock onto the maternal aortic pulse or double and halve the returning signal, producing a trace that mirrors rather than reports the true rate. Intrauterine scalp electrode senses the fetal electrocardiogram directly and is not subject to this error. Elastic belt tocodynamometer records uterine activity and never heart rate. Wireless telemetric receiver only relays a signal that its transducer has already acquired and introduces no artifact of its own.

36. What is the primary concern associated with persistent fetal tachycardia (>160 bpm for 10 minutes or more)?
    • Threatened fetal welfare
    • Customary fetal movement
    • Unperturbed fetal repose
    • Stimulant fetal exposure

    Correct answer: Threatened fetal welfare

    Threatened fetal welfare is the primary concern: a rate held above the upper limit for ten minutes or longer may signal infection, hypoxia, anemia, or arrhythmia, and each of those compromises the fetus. Unperturbed fetal repose lowers variability and does not lift the baseline. Customary fetal movement produces brief accelerations rather than a sustained rise. Stimulant fetal exposure to a beta-agonist can raise the rate, but identifying that cause does not remove the obligation to treat a sustained tachycardia as a warning.

37. In biophysical profile (BPP) scoring, what does a score of 6 out of 10 typically indicate?
    • Reassuring, requiring standard observation
    • Equivocal, requiring possible reevaluation
    • Abnormal, requiring immediate intervention
    • Pathologic, requiring postponed childbirth

    Correct answer: Equivocal, requiring possible reevaluation

    Equivocal, requiring possible reevaluation is what a score of six conveys: it falls between the reassuring scores and the clearly abnormal ones, so the usual response is a repeat profile within hours or further testing rather than a decisive action. Reassuring, requiring standard observation belongs to a score of eight or ten. Abnormal, requiring immediate intervention describes the very low scores at which delivery is weighed. Pathologic, requiring postponed childbirth is self-contradictory, since a genuinely pathologic profile is never managed by deferring birth.

38. Which of the following is a key feature distinguishing early decelerations from late decelerations in fetal heart rate monitoring?
    • The displacement of the deceleration beneath baseline
    • The smoothness of the deceleration throughout descent
    • The synchrony of the deceleration against contraction
    • The persistence of the deceleration beyond resolution

    Correct answer: The synchrony of the deceleration against contraction

    The synchrony of the deceleration against contraction is the distinguishing feature: an early deceleration mirrors the contraction with its nadir at the peak, whereas a late deceleration begins after the contraction has started and returns to baseline only after it has finished. The displacement of the deceleration beneath baseline separates nothing, because both types are usually shallow. The smoothness of the deceleration throughout descent is gradual in both and so discriminates neither. The persistence of the deceleration beyond resolution runs to a similar length in each and therefore cannot tell them apart.

39. Fetal magnetocardiography is primarily used to assess:
    • Maturational status of the fetal lungs
    • Baseline variability of the fetal rate
    • Glycemic response of the fetal tissues
    • Electrical activity of the fetal heart

    Correct answer: Electrical activity of the fetal heart

    Electrical activity of the fetal heart is what fetal magnetocardiography assesses: it detects the magnetic fields generated by cardiac depolarization through the maternal abdomen and yields beat-to-beat conduction detail that no ultrasound method can supply. Baseline variability of the fetal rate comes from ordinary cardiotocography. Maturational status of the fetal lungs is inferred from gestational age and amniotic phospholipid ratios. Glycemic response of the fetal tissues cannot be measured by any magnetic technique.

40. The 'short-term variability' in fetal heart rate monitoring refers to:
    • Rate dips in lengthy contractions
    • Rate trends in ten-minute windows
    • Rate changes in consecutive beats
    • Rate surges in vigorous movements

    Correct answer: Rate changes in consecutive beats

    Short-term variability is defined by rate changes in consecutive beats, reflecting the moment-to-moment push and pull of sympathetic and parasympathetic input on the fetal heart. Rate dips in lengthy contractions describe periodic decelerations, which are timed to uterine activity rather than to individual beats. Rate trends in ten-minute windows describe the baseline and long-term variability, a separate parameter measured over a much wider span. Rate surges in vigorous movements are accelerations, which measure reactivity rather than beat-to-beat autonomic control.

41. Which ultrasound finding is most indicative of fetal aneuploidy?
    • Persistent fetal renal pyelectasis
    • Echogenic fetal intracardiac focus
    • Minor fetal brain ventriculomegaly
    • Enlarged fetal nuchal translucency

    Correct answer: Enlarged fetal nuchal translucency

    Enlarged fetal nuchal translucency measured in the first trimester is the single strongest sonographic marker of aneuploidy and is the basis of combined first-trimester screening for trisomy 21, 18 and 13. Persistent fetal renal pyelectasis is a weak soft marker that usually resolves spontaneously and does not meaningfully shift risk on its own. Echogenic fetal intracardiac focus is a frequent finding in low-risk pregnancies and carries almost no independent predictive value. Minor fetal brain ventriculomegaly points more often to congenital infection or a structural brain anomaly than to a chromosome abnormality.

42. In twin-to-twin transfusion syndrome (TTTS), what fetal monitoring finding is most concerning?
    • The stuck twin demonstrates immobility
    • The donor twin acquires polyhydramnios
    • The heavier twin shows oligohydramnios
    • The twin discordance widens moderately

    Correct answer: The stuck twin demonstrates immobility

    The stuck twin demonstrates immobility is the most ominous finding, because the donor is pinned motionless against the uterine wall by anhydramnios and this marks advanced disease. The donor twin acquires polyhydramnios reverses the physiology: the donor is the one that loses fluid and becomes oliguric. The heavier twin shows oligohydramnios is the same reversal, since the heavier recipient is volume-overloaded and carries the excess fluid. The twin discordance widens moderately occurs in many multiple pregnancies from unequal placental sharing and is far less alarming by itself.

43. What does the presence of sinusoidal heart rate pattern typically indicate?
    • Sedation affecting the tired mother
    • Anemia affecting the immature fetus
    • Pressure affecting the trapped cord
    • Arrhythmia affecting the sinus node

    Correct answer: Anemia affecting the immature fetus

    A smooth undulating baseline with fixed amplitude and frequency and absent variability indicates anemia affecting the immature fetus, classically from alloimmunization, fetomaternal hemorrhage or parvovirus infection. Sedation affecting the tired mother produces a pseudosinusoidal tracing that is irregular and intermittent and retains underlying variability. Pressure affecting the trapped cord produces abrupt variable decelerations rather than a continuous wave form. Arrhythmia affecting the sinus node gives an erratic or fixed baseline without the regular oscillation described here.

44. Which condition is most likely to cause a false positive reading in fetal heart rate monitoring for bradycardia?
    • Supine hypotension worsening the fetal tracing
    • Behavioral sleep suppressing the fetal tracing
    • Maternal rhythm overwhelming the fetal tracing
    • Excessive movement obscuring the fetal tracing

    Correct answer: Maternal rhythm overwhelming the fetal tracing

    Maternal rhythm overwhelming the fetal tracing explains a spurious bradycardia, because an external transducer can lock onto the mother's slower pulse and display it as though it were the fetal rate. Supine hypotension worsening the fetal tracing causes a genuine reduction in uteroplacental perfusion and a true fetal bradycardia, not a false one. Behavioral sleep suppressing the fetal tracing reduces variability and accelerations while leaving the baseline rate unchanged. Excessive movement obscuring the fetal tracing produces signal dropout and gaps rather than a stable low rate.

45. A significant decrease in fetal movement is reported by the mother. What is the first step in assessment?
    • Unscheduled operative delivery
    • Complete biophysical profiling
    • Oxytocin contraction challenge
    • Antenatal nonstress evaluation

    Correct answer: Antenatal nonstress evaluation

    Antenatal nonstress evaluation is the opening assessment for reduced fetal movement because it is quick, noninvasive and directly answers whether the fetus is currently well oxygenated. Unscheduled operative delivery commits the patient to surgery before any testing has shown that a problem exists. Complete biophysical profiling is a reasonable second-line study but is slower and is reserved for a nonreactive first test. Oxytocin contraction challenge deliberately stresses an unevaluated fetus and is never the opening step in this situation.

46. What fetal heart rate pattern is indicative of head compression during labor?
    • Early symmetrical decelerations
    • Late intermittent decelerations
    • Variable repeated decelerations
    • Prolonged shallow decelerations

    Correct answer: Early symmetrical decelerations

    Early symmetrical decelerations mirror the contraction in timing and shape and arise from a vagal reflex triggered by compression of the fetal head, which is why they are benign. Late intermittent decelerations begin after the contraction peak and reflect uteroplacental insufficiency rather than head compression. Variable repeated decelerations are abrupt, sharply falling drops produced by compression of the umbilical cord. Prolonged shallow decelerations last two minutes or more and signal a sustained insult such as cord prolapse or maternal hypotension.

47. In the context of electronic fetal monitoring, what is the significance of a 'category III' fetal heart rate tracing?
    • Untroubled fetal oxygenation
    • Anticipated fetal compromise
    • Inconclusive fetal recording
    • Physiological fetal dormancy

    Correct answer: Anticipated fetal compromise

    A category III tracing conveys anticipated fetal compromise: absent variability paired with recurrent late or variable decelerations or bradycardia, or a sinusoidal baseline, all carry a high likelihood of abnormal fetal acid-base status and demand urgent action. Untroubled fetal oxygenation describes the lowest-risk category, which by definition this tracing is not. Inconclusive fetal recording describes the indeterminate middle category that is neither reassuring nor predictive. Physiological fetal dormancy explains a sleeping fetus with reduced variability but cannot account for the abnormal features that define this tracing.

48. Fetal scalp stimulation during labor is used to assess:
    • Appearance of the lanugo
    • Mismatch of the antigens
    • Oxygenation of the fetus
    • Awareness of the stimuli

    Correct answer: Oxygenation of the fetus

    Scalp stimulation is a bedside test of oxygenation of the fetus: an acceleration provoked by touching the presenting part predicts a scalp pH above seven point two and effectively rules out acidemia. Appearance of the lanugo is a developmental milestone with no bearing on any intrapartum test. Mismatch of the antigens is identified by maternal antibody screening and direct antiglobulin testing, not by touching the presenting part. Awareness of the stimuli is not what is graded, because the result is read entirely from the heart rate response and an absent response means acidemia rather than reduced sensation.

49. The 'Montevideo units' are calculated to assess:
    • Cardiac baseline variability
    • Rhythmic breathing movements
    • Amniotic pocket measurements
    • Uterine contraction strength

    Correct answer: Uterine contraction strength

    Montevideo units are obtained by subtracting resting tone from the peak pressure of every contraction in a ten-minute window and summing the results, so what they express is uterine contraction strength. Cardiac baseline variability is read straight off the heart rate tracing and requires no pressure arithmetic. Rhythmic breathing movements are scored sonographically on the biophysical profile. Amniotic pocket measurements yield the amniotic fluid index, an unrelated ultrasound measure of fluid volume.

50. The use of vibroacoustic stimulation during a non-stress test is intended to:
    • Provoke fetal heart acceleration
    • Extinguish fetal trunk movements
    • Encourage fetal restful behavior
    • Characterize fetal hearing range

    Correct answer: Provoke fetal heart acceleration

    Vibroacoustic stimulation is applied to provoke fetal heart acceleration, because a startle response that produces an acceleration converts a nonreactive tracing and shortens the test. Extinguish fetal trunk movements inverts the purpose, since the stimulus rouses the fetus rather than stilling it. Encourage fetal restful behavior is likewise backwards, as the whole point is to interrupt a quiet sleep cycle. Characterize fetal hearing range is not the aim, and the result is graded from the heart rate response rather than from any auditory measurement.

51. A laboring patient exhibits a sudden decrease in fetal heart rate to 70 bpm after an amniotomy. The nurse's initial action should be to:
    • Administer humidified oxygen by snug facemask
    • Perform a careful digital vaginal examination
    • Reposition the mother into lateral recumbency
    • Accelerate a plain crystalloid fluid infusion

    Correct answer: Perform a careful digital vaginal examination

    A profound bradycardia arriving seconds after membranes are ruptured is cord prolapse until proved otherwise, so the nurse must perform a careful digital vaginal examination to feel for a pulsating cord and lift the presenting part off it. Administer humidified oxygen by snug facemask does nothing about a cord trapped between the head and the pelvis and delays the diagnosis. Reposition the mother into lateral recumbency addresses aortocaval compression, which does not begin abruptly at the moment of amniotomy. Accelerate a plain crystalloid fluid infusion treats maternal hypovolemia, and this patient has no evidence of volume loss.

52. When managing a patient with a suspected uterine rupture, what is the most critical initial intervention?
    • Giving terbutaline for a tocolytic bolus
    • Monitoring the fetal heart rate patterns
    • Readying the team for emergency cesarean
    • Running warmed fluids through a catheter

    Correct answer: Readying the team for emergency cesarean

    Readying the team for emergency cesarean is the critical first move in suspected uterine rupture, because mother and fetus both depend on immediate operative delivery and surgical control of the bleeding. Giving terbutaline for a tocolytic bolus relaxes a uterus that has already torn and only postpones the operation. Monitoring the fetal heart rate patterns records a deterioration that is already established without doing anything to reverse it. Running warmed fluids through a catheter supports the circulation but cannot stop intraperitoneal hemorrhage from a ruptured uterus.

53. In the context of a precipitous labor, what is the nurse's primary role?
    • Urge the patient to push vigorously
    • Give an opioid for labor discomfort
    • Direct the mother to breathe slowly
    • Prepare the room for imminent birth

    Correct answer: Prepare the room for imminent birth

    Precipitous labor gives almost no warning, so the nurse's primary role is to prepare the room for imminent birth, with delivery equipment, warmth and neonatal resuscitation gear immediately at hand. Urge the patient to push vigorously accelerates an already headlong labor and raises the risk of perineal laceration and fetal injury. Give an opioid for labor discomfort will not take effect before birth and risks neonatal respiratory depression at delivery. Direct the mother to breathe slowly is a comfort measure that leaves the room unprepared for a birth arriving in minutes.

54. A patient in active labor with an epidural experiences a sudden onset of shortness of breath and hypotension. The nurse suspects:
    • Embolism of amniotic fluid
    • Toxicity of nerve blockade
    • Hematoma of spinal vessels
    • Occlusion of lung arteries

    Correct answer: Embolism of amniotic fluid

    Abrupt breathlessness with profound hypotension during labor is the classic opening of embolism of amniotic fluid, which characteristically proceeds to cardiovascular collapse and consumptive coagulopathy. Toxicity of nerve blockade announces itself with perioral tingling, tinnitus, seizures and arrhythmia rather than with sudden isolated dyspnea and shock. Hematoma of spinal vessels declares itself over hours with back pain and progressive motor and sensory loss, not with instantaneous respiratory failure. Occlusion of lung arteries arises from deep vein thrombosis and does not account for the coagulopathy that defines this collapse.

55. During labor, a fetal heart rate monitoring shows recurrent late decelerations. The nurse's first intervention should be to:
    • Undertake a digital scalp stimulation
    • Reposition the supine mother leftward
    • Administer warmed oxygen via facemask
    • Accelerate the intravenous fluid rate

    Correct answer: Reposition the supine mother leftward

    Recurrent late decelerations mean uteroplacental insufficiency, so the first move is to reposition the supine mother leftward, lifting the gravid uterus off the vena cava and aorta and restoring placental perfusion. Undertake a digital scalp stimulation is a diagnostic maneuver that treats nothing and consumes time the fetus does not have. Administer warmed oxygen via facemask cannot raise placental delivery of oxygen while the great vessels remain compressed. Accelerate the intravenous fluid rate helps only when maternal hypotension is the cause and comes later in the same sequence.

56. In the case of shoulder dystocia during delivery, what is the initial maneuver the nurse should be prepared to assist with?
    • Suprapubic compression technique
    • Posterior disimpaction technique
    • McRoberts hyperflexion technique
    • Zavanelli displacement technique

    Correct answer: McRoberts hyperflexion technique

    McRoberts hyperflexion technique is the opening move in shoulder dystocia: sharply flexing the thighs onto the abdomen rotates the symphysis cephalad and flattens the sacral promontory, which frees the anterior shoulder in most cases and needs no internal manipulation. Suprapubic compression technique is added alongside it or immediately afterwards, and by itself is not the first step. Posterior disimpaction technique is an internal second-line measure reserved for a shoulder that remains impacted. Zavanelli displacement technique pushes the head back into the pelvis for cesarean rescue and is the last resort of all.

57. A patient with a known complete placenta previa is experiencing bright red, painless vaginal bleeding. The nurse's priority intervention is to:
    • Reposition her into deep Trendelenburg
    • Infuse crystalloid through wide tubing
    • Perform an internal digital assessment
    • Prepare an immediate cesarean delivery

    Correct answer: Prepare an immediate cesarean delivery

    Painless bright red bleeding with a complete previa means the placenta covers the internal os, so the priority is to prepare an immediate cesarean delivery, because vaginal birth is impossible and the bleeding can become torrential without warning. Reposition her into deep Trendelenburg does nothing to slow placental bleeding and impairs maternal ventilation. Infuse crystalloid through wide tubing replaces volume while the source of the loss continues unchecked. Perform an internal digital assessment is contraindicated in a known previa, since the examining finger can dislodge the placenta and provoke catastrophic hemorrhage.

58. When a laboring patient's membrane ruptures, the fluid is meconium-stained, and the fetus shows a baseline heart rate of 110 bpm with no decelerations. The nurse's next step is to:
    • Maintain the electronic readout throughout
    • Prepare the neonatal resuscitation station
    • Establish a prewarmed saline amnioinfusion
    • Increase the maternal crystalloid infusion

    Correct answer: Maintain the electronic readout throughout

    Meconium-stained fluid raises the risk of later compromise, but with a baseline of one hundred ten and no decelerations the fetus is currently well, so the next step is to maintain the electronic readout throughout and detect any change as it happens. Prepare the neonatal resuscitation station addresses a birth that is not imminent and leaves the fetus unobserved in the meantime. Establish a prewarmed saline amnioinfusion is used to relieve recurrent variable decelerations, and this tracing shows none. Increase the maternal crystalloid infusion treats hypovolemia or hypotension, neither of which is present.

59. A laboring patient presents with intense back pain and a fetus in the occiput posterior position. The most effective nursing intervention to alleviate back pain is:
    • Administer epidural opioid analgesia
    • Maintain firm sacral counterpressure
    • Encourage frequent postural shifting
    • Position warm lumbosacral compresses

    Correct answer: Maintain firm sacral counterpressure

    An occiput posterior fetus drives the hard occiput against the maternal sacrum, so the most effective nursing measure is to maintain firm sacral counterpressure, which opposes that force directly and can be started at once without an order. Administer epidural opioid analgesia requires a provider order, takes time to site, and still leaves the mechanical source of the pain unopposed. Encourage frequent postural shifting may aid rotation over many contractions but gives no relief while a contraction is under way. Position warm lumbosacral compresses offers superficial comfort only and cannot counteract pressure transmitted through the pelvic bones.

60. For a patient with a history of a classical cesarean section, what is the recommended mode of delivery in the current pregnancy?
    • Planned vaginal delivery at 40 weeks
    • Supervised labor attempt at 38 weeks
    • Repeated abdominal birth at 39 weeks
    • Early oxytocin induction at 37 weeks

    Correct answer: Repeated abdominal birth at 39 weeks

    A classical incision runs through the contractile upper uterine segment and carries a high rupture rate in labor, so the recommendation is a repeated abdominal birth at 39 weeks, scheduled before spontaneous labor is likely to start. Planned vaginal delivery at 40 weeks exposes that scar to a full labor and is contraindicated after a classical incision. Supervised labor attempt at 38 weeks carries the identical contraindication, and close supervision does not reduce the rupture risk of this scar. Early oxytocin induction at 37 weeks both stimulates the scarred uterus and delivers an infant before term with no indication for doing so.

61. In the presence of a non-reassuring fetal heart rate pattern, which intervention is least likely to be beneficial?
    • Delivering supplemental facemask oxygen
    • Starting leftward lateral repositioning
    • Infusing warmed crystalloid replacement
    • Introducing uterine relaxing tocolytics

    Correct answer: Introducing uterine relaxing tocolytics

    Introducing uterine relaxing tocolytics is the least likely of these to help, because when the pattern is not being driven by excessive uterine activity, reducing contractions does nothing to increase the oxygen the placenta can deliver. Delivering supplemental facemask oxygen widens the maternal-fetal oxygen gradient and is a recognized resuscitative step. Starting leftward lateral repositioning relieves aortocaval compression and restores uterine blood flow within seconds. Infusing warmed crystalloid replacement expands maternal volume and raises placental perfusion pressure.

62. During labor, a fetal scalp electrode reveals a fetal heart rate baseline variability of less than 5 bpm for 90 minutes. This finding indicates:
    • Moderate hypoxia in the fetus
    • Intact wellbeing in the fetus
    • Quiet somnolence in the fetus
    • Extreme distress in the fetus

    Correct answer: Moderate hypoxia in the fetus

    A flat baseline held for an hour and a half is far longer than any behavioral state accounts for, and it indicates moderate hypoxia in the fetus, with central nervous system control of the heart progressively depressed. Intact wellbeing in the fetus would require moderate variability of six to twenty-five beats, which is exactly what is missing. Quiet somnolence in the fetus seldom lasts beyond forty minutes, so it cannot explain ninety minutes of unchanging baseline. Extreme distress in the fetus would be accompanied by recurrent late decelerations or a bradycardia, and this tracing shows neither.

63. A laboring patient's cervix is dilated to 5 cm, and she has intense, painful contractions every 1-2 minutes. However, there is no cervical change after 2 hours. The next best step is to:
    • Administer a uterine tocolytic
    • Establish an oxytocin infusion
    • Perform an immediate amniotomy
    • Recommend a cesarean operation

    Correct answer: Establish an oxytocin infusion

    When dilation stalls the next step is to establish an oxytocin infusion, titrated to produce coordinated contractions of adequate strength so that an adequate trial of labor can be documented before arrest is called. Administer a uterine tocolytic would abolish the contractions and guarantee that no further progress occurs. Perform an immediate amniotomy commits to rupturing membranes that are not the identified obstacle and removes the fluid cushion protecting the cord. Recommend a cesarean operation is premature, because arrest of dilation cannot be diagnosed until contractions have been optimized and given time to work.

64. A patient in labor has a uterine scar from a previous myomectomy. Which of the following is the most appropriate monitoring strategy?
    • Continuous external belt tocodynamometry
    • Intermittent handheld fetal auscultation
    • Uninterrupted internal pressure catheter
    • Periodic bedside ultrasound examinations

    Correct answer: Uninterrupted internal pressure catheter

    A myomectomy scar can give way in labor, so the strategy chosen is an uninterrupted internal pressure catheter, which quantifies resting tone and the true amplitude of every contraction rather than merely timing them. Continuous external belt tocodynamometry registers when contractions occur but cannot measure their strength or the resting tone between them. Intermittent handheld fetal auscultation samples the heart rate only and leaves long unwatched gaps in a labor carrying this risk. Periodic bedside ultrasound examinations are isolated snapshots that reveal nothing about uterine activity between scans.

65. During a vaginal delivery, the nurse notices a loop of umbilical cord protruding from the vagina. The nurse's immediate action should be to:
    • Return the cord into the uterine opening
    • Advise the operating team about the cord
    • Cover the exposed cord using moist gauze
    • Elevate the presenting part off the cord

    Correct answer: Elevate the presenting part off the cord

    A prolapsed cord is being crushed between the presenting part and the maternal pelvis, so the immediate action is to elevate the presenting part off the cord with a gloved hand and hold it there until the infant is delivered. Return the cord into the uterine opening is unsafe, because handling the cord provokes vasospasm and worsens the very occlusion it is meant to relieve. Advise the operating team about the cord is needed in parallel, but stepping away to make that call leaves the cord compressed during the minutes that decide the outcome. Cover the exposed cord using moist gauze limits drying but does nothing at all about the compression.

66. For a patient experiencing a postpartum hemorrhage due to uterine atony, which medication is least likely to be effective?
    • Ibuprofen tablets
    • Oxytocin infusion
    • Misoprostol doses
    • Carboprost ampule

    Correct answer: Ibuprofen tablets

    Ibuprofen tablets have no uterotonic action whatever; ibuprofen is a nonsteroidal anti-inflammatory given for afterpains and it will not contract an atonic uterus. Oxytocin infusion is the first-line agent and acts on myometrial oxytocin receptors within minutes. Misoprostol doses supply a prostaglandin that produces sustained contraction and can be given by several routes when intravenous access is poor. Carboprost ampule delivers a prostaglandin F analogue used when the first-line uterotonics have failed.

67. When managing a patient with a suspected vasa previa, what is the most critical initial intervention?
    • Injecting betamethasone for fetal maturity
    • Organizing the immediate cesarean delivery
    • Interpreting the changing cardiac patterns
    • Starting an intravenous tocolytic infusion

    Correct answer: Organizing the immediate cesarean delivery

    Vasa previa carries unprotected fetal vessels across the internal os, so the critical intervention is organizing the immediate cesarean delivery before the membranes rupture and the fetus exsanguinates in a matter of minutes. Injecting betamethasone for fetal maturity needs about forty-eight hours to act and does nothing to protect vessels that may tear at any moment. Interpreting the changing cardiac patterns identifies the bleed only once it has started, and the blood being lost is the fetus's own small volume. Starting an intravenous tocolytic infusion prolongs the pregnancy and with it the exposure to catastrophic vessel rupture.

68. A patient in labor has a sudden onset of intense abdominal pain, vaginal bleeding, and a tense, tender uterus. These symptoms most likely indicate:
    • Transverse tearing of the uterus
    • Uneventful progress of the labor
    • Early separation of the placenta
    • Placental coverage of the cervix

    Correct answer: Early separation of the placenta

    Severe continuous abdominal pain with bleeding and a rigid, tender uterus is early separation of the placenta from the uterine wall, with retained blood irritating the myometrium and keeping it contracted. Transverse tearing of the uterus announces itself with loss of station, a palpable fetal part through the abdominal wall and circulatory collapse, not with a hard tender uterus. Uneventful progress of the labor does not produce constant pain between contractions or bleeding of this volume. Placental coverage of the cervix bleeds painlessly with a soft, relaxed uterus, which is the opposite of what is described.

69. In the case of a fetal bradycardia noted during labor, what is the first step in intrauterine resuscitative measures?
    • Applying oxygen through the facemask
    • Starting a rapid tocolytic injection
    • Running a generous crystalloid bolus
    • Turning the laboring mother leftward

    Correct answer: Turning the laboring mother leftward

    Fetal bradycardia usually reflects a sudden fall in uterine blood flow, so the first resuscitative measure is turning the laboring mother leftward, which lifts the gravid uterus off the vena cava and aorta and restores perfusion within seconds. Applying oxygen through the facemask cannot raise placental oxygen transfer while the great vessels are still compressed. Running a generous crystalloid bolus corrects hypotension, which has not been shown to be the cause here. Starting a rapid tocolytic injection is reserved for bradycardia driven by excessive uterine activity and is not the opening step.

70. A laboring patient with a known low-lying placenta experiences sudden, painless, bright red vaginal bleeding. What is the most appropriate nursing action?
    • Prepare her quickly for cesarean birth
    • Perform a swift sterile speculum check
    • Infuse fluid while charting her vitals
    • Adjust the bed for steep Trendelenburg

    Correct answer: Prepare her quickly for cesarean birth

    Painless bright red bleeding with a low-lying placenta means the placenta itself is bleeding, so the nurse should prepare her quickly for cesarean birth while blood is typed and crossmatched and the surgical team is assembled. Perform a swift sterile speculum check risks disturbing a placenta that may reach the os and is deferred until imaging has excluded previa. Infuse fluid while charting her vitals replaces volume while the placenta continues to bleed unchecked. Adjust the bed for steep Trendelenburg does nothing to slow placental bleeding and impairs maternal ventilation.

71. A patient in the second stage of labor with an epidural reports a sudden, severe headache and blurred vision. The nurse should first:
    • Provide a quick analgesic tablet
    • Measure a blood pressure reading
    • Plan an immediate assisted birth
    • Elevate her legs while reclining

    Correct answer: Measure a blood pressure reading

    Sudden severe headache with blurred vision late in labor is preeclampsia until proved otherwise, so the nurse should first measure a blood pressure reading, which takes seconds and determines everything that follows. Provide a quick analgesic tablet treats the symptom and conceals the very sign the diagnosis depends on. Plan an immediate assisted birth commits to an intervention before the cause of the symptoms has been established. Elevate her legs while reclining is the management of hypotension, and the problem suspected here is the opposite.

72. When assessing a laboring patient, the nurse finds the fetal heart rate baseline to be 180 bpm with no decelerations. The most appropriate next step is to:
    • Begin a warmed saline amnioinfusion
    • Organize an instant operative birth
    • Supply the mother humidified oxygen
    • Increase the crystalloid drip speed

    Correct answer: Supply the mother humidified oxygen

    A sustained baseline of one hundred eighty beats a minute is fetal tachycardia, and the step taken here is to supply the mother humidified oxygen so that more oxygen is available for transfer across the placenta while the cause is investigated. Begin a warmed saline amnioinfusion is used to cushion the cord in recurrent variable decelerations, and this tracing shows none. Organize an instant operative birth is disproportionate to a tachycardia with an otherwise stable, undecelerating baseline. Increase the crystalloid drip speed treats maternal hypovolemia, which has not been demonstrated in this patient.

73. In managing a patient with suspected chorioamnionitis, which intervention is not typically recommended?
    • Beginning prompt antibiotic coverage
    • Recording frequent maternal readings
    • Administering antipyretic fever care
    • Performing urgent abdominal delivery

    Correct answer: Performing urgent abdominal delivery

    Chorioamnionitis is treated where it stands, with antibiotics, fever control and close observation while vaginal birth proceeds, so performing urgent abdominal delivery is the measure that is not routinely advised and is reserved for a separate obstetric indication. Beginning prompt antibiotic coverage is the definitive treatment and is started as soon as the diagnosis is suspected. Recording frequent maternal readings follows the temperature and pulse that show whether treatment is working. Administering antipyretic fever care lowers maternal temperature and settles the fetal tachycardia that accompanies it.

74. A patient in labor is noted to have a uterine tachysystole with a pattern of more than five contractions in 10 minutes over two consecutive 10-minute windows. The initial nursing intervention is to:
    • Cease the active oxytocin infusion
    • Raise the current stimulant dosage
    • Administer a rapid tocolytic bolus
    • Perform a gentle scalp stimulation

    Correct answer: Cease the active oxytocin infusion

    Tachysystole leaves too little time between contractions for the placenta to refill, so the initial intervention is to cease the active oxytocin infusion and allow uterine resting tone to return. Raise the current stimulant dosage drives contraction frequency higher and deepens the very problem identified. Administer a rapid tocolytic bolus is a second-line step used only when the pattern persists after the infusion has been stopped. Perform a gentle scalp stimulation assesses fetal reserve but does nothing to reduce the contraction frequency causing the compromise.

75. A laboring patient's fetal monitoring indicates a sinusoidal heart rate pattern. The nurse understands this pattern is most commonly associated with:
    • Persistent cord compression
    • Extreme intrauterine anemia
    • Marked maternal dehydration
    • Continuous uterine activity

    Correct answer: Extreme intrauterine anemia

    A smooth, regular, undulating baseline with absent variability is most commonly extreme intrauterine anemia, arising from alloimmunization, fetomaternal hemorrhage or parvovirus infection. Persistent cord compression produces abrupt variable decelerations with sharp shoulders rather than a continuous sine wave. Marked maternal dehydration raises maternal temperature and the fetal baseline rate without altering the shape of the baseline. Continuous uterine activity yields late decelerations and a climbing baseline, not the fixed oscillation described.

76. In a patient experiencing a prolonged deceleration during labor, the nurse's priority intervention is to:
    • Assemble the tray for vaginal checks
    • Raise her rate of intravenous fluids
    • Reposition her to the alternate side
    • Administer oxygen gently to her face

    Correct answer: Reposition her to the alternate side

    A prolonged deceleration usually reflects an abrupt loss of uterine or cord blood flow, so the priority is to reposition her to the alternate side, which relieves aortocaval or cord compression at once and frequently ends the deceleration. Assemble the tray for vaginal checks postpones the one measure capable of restoring flow. Raise her rate of intravenous fluids helps only when maternal hypotension is the mechanism and acts far too slowly here. Administer oxygen gently to her face cannot increase placental transfer while blood flow to the placenta remains interrupted.

77. A patient with a known opioid dependency is in labor. The nurse should be particularly vigilant for:
    • Delayed cervical progression
    • Excessive fetal restlessness
    • Extreme uterine tachysystole
    • Neonatal withdrawal syndrome

    Correct answer: Neonatal withdrawal syndrome

    An infant exposed to opioids in utero becomes physically dependent, so the nurse must watch for neonatal withdrawal syndrome, which emerges hours to days after birth as jitteriness, high-pitched crying, poor feeding and autonomic instability. Delayed cervical progression is not a recognized consequence of maternal opioid dependency. Excessive fetal restlessness reverses the true effect, since opioids suppress fetal movement and blunt variability. Extreme uterine tachysystole is produced by uterotonic agents, and opioids have no direct effect on contraction frequency.

78. When caring for a patient with polyhydramnios, the nurse is aware that there is an increased risk of:
    • Early rupture of the membranes
    • Faulty maturation of the lungs
    • Marked reduction of the growth
    • Prolonged decline of the pulse

    Correct answer: Early rupture of the membranes

    Polyhydramnios overdistends the uterus and puts the membranes under constant tension, so the risk that rises is early rupture of the membranes, often with a cord or shoulder washed down as the fluid escapes. Faulty maturation of the lungs follows oligohydramnios, where there is too little fluid for the lungs to expand into, which is the opposite situation. Marked reduction of the growth accompanies low fluid volume, whereas excess fluid is more often found with a large or macrosomic fetus. Prolonged decline of the pulse is not a consequence of the excess fluid itself.

79. During labor induction with misoprostol, the nurse should closely monitor for:
    • Sustained arterial hypotension
    • Increasing renal insufficiency
    • Developing glucose intolerance
    • Excessive uterine contractions

    Correct answer: Excessive uterine contractions

    Misoprostol is a potent prostaglandin, so the complication the nurse watches for during induction is excessive uterine contractions (tachysystole), which shortens the relaxation interval between contractions and compromises placental perfusion and fetal oxygenation. Sustained arterial hypotension is not a recognized misoprostol effect and would point instead to hemorrhage or regional anesthesia. Increasing renal insufficiency belongs to preeclampsia surveillance, not to prostaglandin induction. Developing glucose intolerance is a gestational diabetes finding and has no relationship to misoprostol dosing.

80. A nurse observes variable decelerations on the fetal monitor. The first intervention should be to:
    • Change the maternal position
    • Increase the oxygen delivery
    • Prepare the vacuum extractor
    • Palpate the abdominal fundus

    Correct answer: Change the maternal position

    Variable decelerations arise from umbilical cord compression, so the first intervention is to change the maternal position, which lifts the presenting part off the cord and restores umbilical flow. Increase the oxygen delivery is a secondary measure that does nothing about the mechanical compression producing the pattern. Prepare the vacuum extractor commits to an operative birth before any conservative measure has been tried. Palpate the abdominal fundus evaluates contraction strength and gives neither information about, nor relief from, cord compression.

81. A newborn is diagnosed with transient tachypnea. Which of the following is the most appropriate initial nursing intervention?
    • Administer humidified gases at continuous positive airway pressure quickly
    • Monitor respiratory rate and oxygen saturation at fifteen-minute intervals
    • Provide maintenance intravenous fluids and withhold oral feedings entirely
    • Position the newborn skin-to-skin and promote early maternal breastfeeding

    Correct answer: Monitor respiratory rate and oxygen saturation at fifteen-minute intervals

    Transient tachypnea is self-limiting retained lung fluid, so the initial nursing action is to monitor respiratory rate and oxygen saturation at fifteen-minute intervals, which shows whether the infant is compensating or deteriorating and drives every later decision. Administer humidified gases at continuous positive airway pressure quickly escalates support that most of these infants never need and is not a nursing-initiated first step. Provide maintenance intravenous fluids and withhold oral feedings entirely is reserved for a sustained rate above sixty breaths a minute, which has not been established here. Position the newborn skin-to-skin and promote early maternal breastfeeding invites aspiration while the respiratory rate is still elevated and unassessed.

82. In the context of postpartum hemorrhage, which medication is considered first-line treatment to contract the uterus?
    • The ergot alkaloid ergometrine
    • The vaginal tablet misoprostol
    • The pituitary hormone oxytocin
    • The injectable drug carboprost

    Correct answer: The pituitary hormone oxytocin

    The pituitary hormone oxytocin is the first-line uterotonic for postpartum hemorrhage because it acts within minutes on myometrial receptors, has the widest safety margin, and is already hanging in most birth units. The ergot alkaloid ergometrine is a second-line agent and is contraindicated in the hypertensive patient. The vaginal tablet misoprostol is slower in onset and is chosen where refrigeration or injection is impractical rather than as a first choice. The injectable drug carboprost is a third-line prostaglandin withheld in asthma and reserved for atony that has already failed first-line therapy.

83. A postpartum woman exhibits signs of preeclampsia. Which symptom is most critical and requires immediate intervention?
    • Symmetrical pitting edema across both extremities
    • Minimal proteinuria by routine dipstick screening
    • Facial swelling reported after prolonged standing
    • Persisting headache unrelieved by analgesic drugs

    Correct answer: Persisting headache unrelieved by analgesic drugs

    A persisting headache unrelieved by analgesic drugs signals cerebral irritability and rising intracranial pressure, the neurologic severe feature that most often precedes an eclamptic seizure, so it demands immediate evaluation. Symmetrical pitting edema across both extremities is common in the puerperium and is no longer a diagnostic criterion. Minimal proteinuria by routine dipstick screening supports the diagnosis but does not by itself grade severity or drive urgent action. Facial swelling reported after prolonged standing is a dependent fluid shift and carries none of the neurologic implication of an unremitting headache.

84. In evaluating a newborn's adaptation to extrauterine life, which of the following findings would be a cause for concern?
    • Sleeping heart rate of one hundred sixty
    • Acrocyanosis of the hands at eight hours
    • Breathing at fifty breaths in one minute
    • Brief pauses for under five seconds each

    Correct answer: Sleeping heart rate of one hundred sixty

    A sleeping heart rate of one hundred sixty sits at the very ceiling of the newborn range at the moment when the resting rate should be falling, so it suggests tachycardia from infection, anemia, or a cardiac lesion and warrants investigation. Acrocyanosis of the hands at eight hours reflects normal peripheral vasomotor immaturity during the first day. Breathing at fifty breaths in one minute falls squarely inside the expected newborn range. Brief pauses for under five seconds each describe periodic breathing, an expected pattern carrying no bradycardia and no color change.

85. A nurse is caring for a postpartum client who had a vaginal delivery with a second-degree laceration. What is the priority nursing assessment to monitor for signs of infection in the perineal area?
    • Document the lochia for odor and discoloration
    • Palpate the perineum for warmth and tenderness
    • Monitor the client for pyrexia and tachycardia
    • Review the episiotomy for edges and ecchymosis

    Correct answer: Palpate the perineum for warmth and tenderness

    Localized heat and pain are the earliest specific markers of wound infection at a repaired laceration, so the priority is to palpate the perineum for warmth and tenderness. Document the lochia for odor and discoloration detects uterine rather than perineal wound infection. Monitor the client for pyrexia and tachycardia picks up systemic change only once the local process is well established. Review the episiotomy for edges and ecchymosis is doubly wrong here: this client sustained a spontaneous laceration rather than an episiotomy, and bruising is an expected early finding rather than a sign of infection.

86. Which intervention is most appropriate for a newborn diagnosed with hypoglycemia?
    • Rapid infusion of hypertonic glucose fluid
    • Repeat testing of peripheral blood samples
    • Prompt oral administration of dextrose gel
    • Postponed feedings for another three hours

    Correct answer: Prompt oral administration of dextrose gel

    Prompt oral administration of dextrose gel raises the blood sugar within minutes, is absorbed across the buccal mucosa without an intravenous line, and keeps mother and infant together. Rapid infusion of hypertonic glucose fluid is held back for the infant who is symptomatic or who has already failed enteral treatment, because it requires vascular access and risks rebound hypoglycemia. Repeat testing of peripheral blood samples measures the problem again without treating it. Postponed feedings for another three hours prolong the very substrate deficit that is injuring the brain.

87. When assessing a postpartum client, the nurse notes that the uterus is boggy and deviated to the right side. The initial nursing action should be to:
    • Offer the client her ordered pain pill
    • Massage the soft fundus for the client
    • Check the blood pressure of the client
    • Help the client empty her full bladder

    Correct answer: Help the client empty her full bladder

    A fundus that is boggy and pushed to one side is the classic picture of bladder distention lifting and displacing the uterus, so the initial action is to help the client empty her full bladder, after which the uterus can contract down over the placental site. Offer the client her ordered pain pill treats a symptom and leaves the distended bladder in place. Massage the soft fundus for the client will not hold tone while the bladder keeps the uterus displaced upward. Check the blood pressure of the client gathers data but corrects nothing at the point where atony and hemorrhage begin.

88. A newborn's initial Apgar score is 6. What is the priority nursing intervention?
    • Apply brisk tactile stimulation
    • Begin urgent chest compressions
    • Administer nasal cannula oxygen
    • Prepare the intubation supplies

    Correct answer: Apply brisk tactile stimulation

    A score of six reflects mild depression with a heart rate above one hundred, so the priority is to apply brisk tactile stimulation by rubbing the back or flicking the soles to trigger effective spontaneous respirations. Begin urgent chest compressions is indicated only when the heart rate stays below sixty despite effective ventilation. Administer nasal cannula oxygen bypasses the stimulation and ventilation steps that come first and is not a delivery-room resuscitation measure. Prepare the intubation supplies anticipates an advanced airway that a moderately depressed infant with a good heart rate does not yet need.

89. In the case of a postpartum client with a temperature of 38.5°C (101.3°F) on the second postpartum day, what is the most likely diagnosis?
    • Mastitis from persistent engorgement
    • Endometritis from bacterial invasion
    • Cystitis from catheter contamination
    • Atelectasis from postural immobility

    Correct answer: Endometritis from bacterial invasion

    Endometritis from bacterial invasion is the classic cause of a fever above thirty-eight degrees Celsius on the second postpartum day, when organisms carried up from the vagina during labor seed the denuded uterine lining. Mastitis from persistent engorgement typically appears in the second week once milk supply is established, not on day two. Cystitis from catheter contamination usually produces dysuria and frequency with a lower-grade fever. Atelectasis from postural immobility is a first-day complication of general anesthesia and would come with diminished breath sounds rather than an isolated fever.

90. A newborn exhibits signs of jaundice at 24 hours of life. What is the most appropriate initial nursing action?
    • Ready the exchange transfusion tubes
    • Begin the phototherapy lamps quickly
    • Obtain the capillary bilirubin level
    • Increase the feeding frequency today

    Correct answer: Obtain the capillary bilirubin level

    Jaundice inside the first day of life is always pathologic, so the initial nursing action is to obtain the capillary bilirubin level, which quantifies the load, plots it against the hour-specific nomogram, and determines every subsequent step. Ready the exchange transfusion tubes prepares the most invasive therapy of all before any value is known. Begin the phototherapy lamps quickly starts treatment blind and removes the baseline the team needs. Increase the feeding frequency today assists enteral clearance but neither identifies nor treats a rapidly rising level.

91. When monitoring a postpartum client who received magnesium sulfate for preeclampsia, which finding would necessitate immediate intervention?
    • A resting respiratory rate of 14 breaths
    • Brisk patellar reflexes graded at 2 plus
    • Blood pressure recorded near 136 over 84
    • A urine outflow of 25 milliliters hourly

    Correct answer: A urine outflow of 25 milliliters hourly

    Magnesium is cleared entirely by the kidney, so a urine outflow of 25 milliliters hourly falls below the accepted floor and lets serum levels climb toward respiratory and cardiac toxicity, which makes it the finding demanding immediate action. A resting respiratory rate of 14 breaths is above the depression threshold and is reassuring. Brisk patellar reflexes graded at 2 plus are the normal midpoint and their loss, not their presence, is the warning sign. Blood pressure recorded near 136 over 84 is non-severe range and calls for continued observation rather than an urgent change in therapy.

92. A newborn is exhibiting signs of neonatal abstinence syndrome (NAS). Which of the following is the most appropriate initial nursing action?
    • Begin swaddling and nonnutritive sucking
    • Administer naloxone and watch withdrawal
    • Commence oral morphine and phenobarbital
    • Increase lighting and scheduled handling

    Correct answer: Begin swaddling and nonnutritive sucking

    Nonpharmacologic comfort comes first for a withdrawing newborn, so the nurse should begin swaddling and nonnutritive sucking, which lower the arousal state and often keep the scores below the pharmacologic threshold. Administer naloxone and watch withdrawal is dangerous in an opioid-exposed infant because it can precipitate abrupt withdrawal and seizures. Commence oral morphine and phenobarbital moves straight to drug therapy that is justified only once supportive care has failed and scores stay high. Increase lighting and scheduled handling adds the very stimulation that worsens irritability, tremor, and feeding difficulty.

93. For a newborn diagnosed with polycythemia, what is the most appropriate initial nursing intervention?
    • Begin partial exchange transfusions
    • Monitor hypoglycemia risk regularly
    • Start continuous phototherapy lamps
    • Restrict maintenance fluid delivery

    Correct answer: Monitor hypoglycemia risk regularly

    The expanded red cell mass of polycythemia consumes glucose faster than the newborn can mobilize it, so the initial nursing intervention is to monitor hypoglycemia risk regularly and treat every fall promptly. Begin partial exchange transfusions is reserved for a markedly raised hematocrit with symptoms of hyperviscosity and is a medical, not an initial nursing, action. Start continuous phototherapy lamps addresses the hyperbilirubinemia that may follow later rather than the immediate metabolic risk. Restrict maintenance fluid delivery is the opposite of what is needed, since adequate hydration reduces blood viscosity.

94. A postpartum client is experiencing postpartum blues. Which of the following symptoms would indicate a progression to postpartum depression and require further evaluation?
    • Mood swings and irritability during the initial week
    • Mild sadness and tearfulness helped with enough rest
    • Crying spells with disturbed sleep and appetite loss
    • Brief anxiety and worry settled by quick reassurance

    Correct answer: Crying spells with disturbed sleep and appetite loss

    Postpartum blues are transient and self-limited, so the finding that marks a shift to depression is crying spells with disturbed sleep and appetite loss, a cluster of neurovegetative symptoms that persists beyond two weeks and impairs function. Mood swings and irritability during the initial week are the textbook description of the blues themselves. Mild sadness and tearfulness helped with enough rest remain responsive to ordinary support, which depression is not. Brief anxiety and worry settled by quick reassurance likewise resolve rather than deepen, so neither meets the threshold for further evaluation.

95. In the context of neonatal care, what is the most significant risk associated with a maternal infection of group B Streptococcus (GBS) untreated during labor?
    • Early hypoglycemia of the newborn
    • Repeated tachypnea of the newborn
    • Slowed development of the newborn
    • Bloodstream sepsis of the newborn

    Correct answer: Bloodstream sepsis of the newborn

    Group B streptococcus colonizing the birth canal is transmitted as the infant passes through it, and without intrapartum prophylaxis the organism seeds the bloodstream, so bloodstream sepsis of the newborn is the gravest consequence and can progress to pneumonia, meningitis, and death within hours. Early hypoglycemia of the newborn is driven by maternal diabetes or growth restriction rather than by colonization. Repeated tachypnea of the newborn follows retained lung fluid after a rapid or cesarean birth. Slowed development of the newborn may follow meningitis as a late sequela but is not the immediate risk the prophylaxis is designed to prevent.

96. Which intervention is critical for a newborn with a confirmed diagnosis of galactosemia?
    • Begin lactose-free feedings at once
    • Allow regular breastfeeding for now
    • Track bilirubin levels at intervals
    • Give intravenous glucose right away

    Correct answer: Begin lactose-free feedings at once

    Galactosemia is the inability to metabolize galactose, so every milligram of lactose taken in becomes toxic galactose metabolites that injure liver, brain, and eye; the critical intervention is to begin lactose-free feedings at once, which is usually a soy-based product. Allow regular breastfeeding for now is precisely what must be stopped, since human milk is rich in lactose. Track bilirubin levels at intervals monitors a consequence while the toxic substrate keeps arriving. Give intravenous glucose right away supplies calories but does nothing to remove galactose from the diet.

97. When caring for a postpartum client with cardiomyopathy, which symptom should prompt immediate action by the nurse?
    • Customary tiredness on moderate exertion
    • Bibasilar crackles on chest auscultation
    • Diastolic pressure risen ten millimeters
    • Bilateral ankle puffiness toward evening

    Correct answer: Bibasilar crackles on chest auscultation

    Bibasilar crackles on chest auscultation mean fluid has backed up into the alveoli, which in peripartum cardiomyopathy signals decompensation and impending pulmonary edema, so the nurse must act at once. Customary tiredness on moderate exertion is near universal in the puerperium and does not distinguish decompensation. Diastolic pressure risen ten millimeters is a modest change that calls for repeat measurement rather than emergency action. Bilateral ankle puffiness toward evening is dependent edema of normal puerperal fluid shift and lacks the pulmonary component that makes crackles urgent.

98. For a newborn exhibiting signs of meconium aspiration syndrome, what is the priority nursing action?
    • Establish additional enteral feedings when meconium discolors the stools
    • Organize nasogastric drainage when meconium collected inside the stomach
    • Perform endotracheal suctioning when meconium stained the delivery fluid
    • Administer surfactant therapy when meconium inflamed the alveolar lining

    Correct answer: Perform endotracheal suctioning when meconium stained the delivery fluid

    In an infant already showing meconium aspiration with an obstructed airway that is not responding to positive-pressure ventilation, the priority is to perform endotracheal suctioning when meconium stained the delivery fluid, because clearing the obstruction below the cords is what restores gas exchange. Establish additional enteral feedings when meconium discolors the stools ignores an acutely compromised airway and risks aspiration. Organize nasogastric drainage when meconium collected inside the stomach empties the stomach but leaves the trachea obstructed. Administer surfactant therapy when meconium inflamed the alveolar lining may follow later in the intensive care course, yet it does nothing for an airway that is blocked now.

99. When assessing a postpartum client for venous thromboembolism (VTE), which of the following is a critical sign?
    • Aching, tightness, and pain in both limbs
    • Mottling, pallor, and edema of two ankles
    • Tingling, cramps, and ache of either foot
    • Redness, warmth, and swelling of one calf

    Correct answer: Redness, warmth, and swelling of one calf

    Deep vein thrombosis obstructs a single vessel, so redness, warmth, and swelling of one calf is the critical sign; asymmetry is what separates thrombosis from the ordinary fluid retention of the puerperium. Aching, tightness, and pain in both limbs is symmetric and points to muscular strain from pushing rather than to clot. Mottling, pallor, and edema of two ankles again affects both sides and suggests dependent edema or low oncotic pressure. Tingling, cramps, and ache of either foot describes a neurologic or electrolyte disturbance and lacks the inflammatory triad of a thrombosed vein.

100. In the context of inpatient obstetric nursing, which of the following best describes the principle of autonomy?
     • Honoring the health wishes of the patient herself alone
     • Putting the wellbeing of the patient above other duties
     • Splitting the limited beds of the patient census evenly
     • Shielding the patient from the harm of untested therapy

     Correct answer: Honoring the health wishes of the patient herself alone

     Autonomy is self-determination, so it is described by honoring the health wishes of the patient herself alone, even when the team would have chosen differently. Putting the wellbeing of the patient above other duties defines beneficence, which acts for the patient rather than deferring to her. Splitting the limited beds of the patient census evenly is the distributive fairness of justice. Shielding the patient from the harm of untested therapy is nonmaleficence, the duty to avoid inflicting injury.

101. When addressing a conflict between two staff members in the obstetric unit, what is the most appropriate initial step according to conflict resolution best practices?
     • Push the argument upward for a formal written judgment today
     • Let the two colleagues work the whole problem out themselves
     • Place the two under strict discipline to deter later trouble
     • Leave the quarrel untouched and hope it fades away naturally

     Correct answer: Let the two colleagues work the whole problem out themselves

     Conflict resolution begins at the lowest effective level, so the appropriate opening move is to let the two colleagues work the whole problem out themselves, which preserves their working relationship and builds the skill they will need again. Push the argument upward for a formal written judgment today removes ownership from the people who have to work together tomorrow and is reserved for disputes that direct discussion has already failed to settle. Place the two under strict discipline to deter later trouble punishes before anyone has established what happened. Leave the quarrel untouched and hope it fades away naturally allows resentment to harden and to spill into patient care.

102. Which ethical principle is primarily concerned with the distribution of resources and ensuring fair treatment for all patients?
     • Charity
     • Honesty
     • Justice
     • Loyalty

     Correct answer: Justice

     Justice is the principle governing how burdens and benefits are allocated, so it is the one concerned with distributing scarce resources and treating every patient equitably. Charity is the impulse to do positive good for an individual, which is beneficence rather than fair allocation. Honesty governs truthful disclosure to the patient and says nothing about how resources are shared. Loyalty is faithfulness to promises and to the nurse-patient relationship, a duty owed to one person rather than a rule for dividing what is scarce.

103. In the context of obstetric nursing, informed consent is crucial before any procedure. What is the nurse's role in this process?
     • To determine the procedure for her and later witness a signature
     • To ensure the procedure form is signed whatever the mother wants
     • To leave the procedure discussion to a junior staff member alone
     • To describe the procedure and the risks and the benefits plainly

     Correct answer: To describe the procedure and the risks and the benefits plainly

     The nurse supports an informed decision, and the item keys on that support being substantive: to describe the procedure and the risks and the benefits plainly, then confirm the patient understands what she has been told. To determine the procedure for her and later witness a signature substitutes the nurse's judgment for the patient's and is paternalism, not disclosure. To ensure the procedure form is signed whatever the mother wants treats a signature as the goal and strips the decision of any meaning. To leave the procedure discussion to a junior staff member alone delegates a responsibility that cannot be handed to someone without the knowledge to answer questions.

104. In the context of professional accountability, which action best demonstrates a nurse's commitment to professional development?
     • Reviewing personal practice steadily and inviting candid input
     • Attending mandated classes and skipping voluntary study events
     • Avoiding membership and shunning outside specialty peer groups
     • Polishing bedside skills and ignoring newly published research

     Correct answer: Reviewing personal practice steadily and inviting candid input

     Development is a deliberate, self-directed cycle, so it is best shown by reviewing personal practice steadily and inviting candid input, which turns everyday work into evidence about what needs to improve. Attending mandated classes and skipping voluntary study events meets a minimum imposed by someone else and shows no initiative. Avoiding membership and shunning outside specialty peer groups cuts the nurse off from the standards and networks that carry practice forward. Polishing bedside skills and ignoring newly published research preserves technique while the evidence base underneath it moves on.

105. When dealing with an ethical dilemma in inpatient obstetric nursing, which of the following is the most appropriate first step?
     • Take the case to a sympathetic family relative
     • Take the case to the hospital ethics committee
     • Take the case to the prevailing staffroom mood
     • Take the case to an unexamined personal belief

     Correct answer: Take the case to the hospital ethics committee

     An ethical dilemma needs a structured, multidisciplinary process rather than a private one, so the first step is to take the case to the hospital ethics committee, which applies recognized principles, hears every stakeholder, and documents the reasoning. Take the case to a sympathetic family relative breaches confidentiality and imports advice from people with no clinical or ethical standing. Take the case to the prevailing staffroom mood substitutes popularity for analysis, and the majority view can be plainly wrong. Take the case to an unexamined personal belief lets one clinician impose private values on a patient who may not share them.

106. Which of the following actions by an inpatient obstetric nurse best demonstrates adherence to the principle of nonmaleficence?
     • Choosing treatments from the newest technology reaching the market
     • Preferring whichever therapy costs the hospital the lowest expense
     • Ensuring the evidence supports the interventions the patient needs
     • Supplying identical care to mothers whatever their differing wants

     Correct answer: Ensuring the evidence supports the interventions the patient needs

     Avoiding harm depends on knowing what a treatment actually does, so the nurse upholds the duty by ensuring the evidence supports the interventions the patient needs, which screens out interventions whose risks outweigh what they deliver. Choosing treatments from the newest technology reaching the market adopts novelty before a safety record exists. Preferring whichever therapy costs the hospital the lowest expense makes budget rather than injury the deciding test. Supplying identical care to mothers whatever their differing wants guarantees harm to the women whose situations the standard plan does not fit.

107. A nurse in the obstetric unit is faced with a situation where a patient's cultural beliefs conflict with the recommended medical treatment. What is the most appropriate response?
     • Dismiss her beliefs and push ahead with the usual plan
     • Override her beliefs and make her follow a fixed order
     • Brush her beliefs aside and send her to another clinic
     • Explore her beliefs and shape a path the woman accepts

     Correct answer: Explore her beliefs and shape a path the woman accepts

     Culturally competent care neither abandons safety nor overrules the woman, so the nurse should explore her beliefs and shape a path the woman accepts, which usually reveals an adaptation that satisfies the clinical goal and her values at once. Dismiss her beliefs and push ahead with the usual plan destroys trust and invites outright refusal of care. Override her beliefs and make her follow a fixed order removes her consent and is coercion rather than treatment. Brush her beliefs aside and send her to another clinic abandons a patient the team is capable of caring for and simply relocates the conflict.

108. How should a nurse in an obstetric unit approach the use of social media in relation to their profession?
     • Guard patient privacy and professional conduct with online publishing
     • Broadcast detailed birth stories and photographs educating the public
     • Debate named cases with colleagues through private messaging channels
     • Abandon social platforms entirely to sidestep likely ethical problems

     Correct answer: Guard patient privacy and professional conduct with online publishing

     The professional standard is to guard patient privacy and professional conduct with online publishing, because a nurse remains identifiably a nurse online and the duty of confidentiality does not stop at the hospital door. Broadcast detailed birth stories and photographs educating the public discloses identifiable information no matter how well intentioned the teaching purpose. Debate named cases with colleagues through private messaging channels is still disclosure, since a private channel is neither secure nor a treatment record. Abandon social platforms entirely to sidestep likely ethical problems overcorrects and gives up legitimate professional networking that carries no breach at all.

109. When implementing evidence-based practices in the obstetric unit, what is a key consideration to ensure these practices are effectively integrated into patient care?
     • Repeating whatever protocol the busiest wards prefer
     • Adopting the methods the strongest research supports
     • Choosing whichever remedy a known celebrity endorses
     • Selecting the simplest routine needing lowest effort

     Correct answer: Adopting the methods the strongest research supports

     The whole point of the approach is that practice should follow the best available science, so the key consideration is adopting the methods the strongest research supports, then combining that with clinical expertise and the woman's own values. Repeating whatever protocol the busiest wards prefer mistakes popularity for proof and spreads habit rather than evidence. Choosing whichever remedy a known celebrity endorses substitutes marketing for data. Selecting the simplest routine needing lowest effort optimizes convenience and can entrench exactly the outdated practice the change was meant to displace.

110. A nurse is caring for a patient in labor with suspected intrauterine infection. Which of the following findings would be least likely to be associated with this condition?
     • Rising intrapartum fever
     • Marked fetal tachycardia
     • Colorless amniotic fluid
     • Elevated leukocyte count

     Correct answer: Colorless amniotic fluid

     Intrauterine infection inflames the membranes and turns the liquor cloudy, purulent, or foul, so colorless amniotic fluid is the finding least likely to accompany it and in fact argues against the diagnosis. Rising intrapartum fever is one of the required diagnostic criteria. Marked fetal tachycardia is the fetal response to maternal pyrexia and inflammatory mediators and is a supporting criterion. Elevated leukocyte count reflects the maternal systemic inflammatory response and is expected rather than surprising here.

111. During labor, a patient's water breaks, and the amniotic fluid is noted to have a greenish tint. The nurse recognizes this as a sign of:
     • Fluid tinged by extreme asphyxia
     • Fluid clouded by ascending germs
     • Fluid emptied by uterine rupture
     • Fluid stained by passed meconium

     Correct answer: Fluid stained by passed meconium

     A green tint comes from bile pigment in stool passed in utero, so the finding is fluid stained by passed meconium, which calls for closer fetal surveillance and readiness for neonatal resuscitation rather than immediate delivery. Fluid tinged by extreme asphyxia is not a color change asphyxia produces on its own; meconium passage can occur in a well-oxygenated term fetus. Fluid clouded by ascending germs would be cloudy and malodorous with maternal fever rather than green. Fluid emptied by uterine rupture presents with sudden pain, loss of the fetal station, and hemorrhage, not with a color change alone.

112. In a patient with gestational hypertension developing severe features, the nurse anticipates the administration of which medication to prevent seizures?
     • Magnesium sulfate
     • Calcium gluconate
     • Nifedipine tablet
     • Diazepam infusion

     Correct answer: Magnesium sulfate

     Magnesium sulfate is the anticonvulsant of choice for preventing eclamptic seizures, given as a loading dose followed by a maintenance infusion and titrated against reflexes, respirations, and urine output. Calcium gluconate is the antidote kept at the bedside for magnesium toxicity, so it reverses the therapy rather than providing it. Nifedipine tablet lowers severe-range blood pressure but has no anticonvulsant action and does not reduce seizure risk. Diazepam infusion aborts a seizure already in progress and is inferior to magnesium for prophylaxis, with added maternal and neonatal sedation.

113. A nurse is assessing a patient in labor and notes a significant drop in blood pressure following an epidural analgesia. The nurse's immediate response should be to:
     • Lower the patient completely supine
     • Raise the intravenous infusion rate
     • Give a prompt antihypertensive dose
     • Examine for allergic reaction signs

     Correct answer: Raise the intravenous infusion rate

     Sympathetic blockade from the epidural dilates the venous bed and drops preload, so the immediate response is to raise the intravenous infusion rate and refill that expanded space while the woman is turned to her side. Lower the patient completely supine makes matters worse, because the gravid uterus then compresses the vena cava and cuts venous return further. Give a prompt antihypertensive dose treats the opposite problem and would deepen the hypotension. Examine for allergic reaction signs pursues a rare cause while a common and readily correctable one is already producing the fall.

114. When monitoring a patient for uterine rupture, which of the following signs would the nurse consider critical and requiring immediate intervention?
     • Gradual weakening in abdominal tightening
     • Unhurried progress in cervical effacement
     • Abrupt cessation in palpable contractions
     • Continuing increase in maternal heartbeat

     Correct answer: Abrupt cessation in palpable contractions

     When the uterine wall gives way the muscle can no longer generate coordinated pressure, so abrupt cessation in palpable contractions, usually with a tearing pain and loss of fetal station, is the critical sign demanding immediate laparotomy. Gradual weakening in abdominal tightening describes ordinary fatigue in a long labor and carries none of that catastrophic implication. Unhurried progress in cervical effacement is a reassuring finding of slow but normal labor. Continuing increase in maternal heartbeat is nonspecific and accompanies pain, dehydration, and anxiety long before it suggests rupture.

115. According to current ACOG criteria, which single blood pressure reading meets the definition of severe-range hypertension in pregnancy and warrants treatment within 30 to 60 minutes?
     • Repeat systolic 150 mm Hg or diastolic 100 mm Hg
     • Supine systolic 138 mm Hg or diastolic 105 mm Hg
     • Seated systolic 142 mm Hg or diastolic 108 mm Hg
     • Manual systolic 160 mm Hg or diastolic 110 mm Hg

     Correct answer: Manual systolic 160 mm Hg or diastolic 110 mm Hg

     Severe-range hypertension in pregnancy begins at a manual systolic 160 mm Hg or diastolic 110 mm Hg, confirmed on repeat within fifteen minutes, and it is an acute emergency requiring rapid-acting antihypertensive therapy within thirty to sixty minutes to reduce the risk of stroke. Repeat systolic 150 mm Hg or diastolic 100 mm Hg sits in the non-severe band and does not by itself trigger urgent intravenous treatment. Supine systolic 138 mm Hg or diastolic 105 mm Hg has a systolic below the diagnostic threshold entirely and a diastolic still short of severe range. Seated systolic 142 mm Hg or diastolic 108 mm Hg is likewise mild-range and calls for surveillance rather than emergency dosing.

116. A patient at 33 weeks has a blood pressure of 148/96 mm Hg on two readings four hours apart, no proteinuria, normal platelets, and normal liver and renal labs. Which diagnosis best fits this presentation?
     • Gestational hypertension
     • Fulminating preeclampsia
     • Early-onset preeclampsia
     • Preexisting hypertension

     Correct answer: Gestational hypertension

     New elevation after twenty weeks, confirmed on two readings, with no proteinuria and no laboratory or clinical evidence of end-organ involvement, is gestational hypertension. Fulminating preeclampsia would require severe-range readings or a severe feature such as thrombocytopenia, transaminitis, or neurologic symptoms, none of which is present. Early-onset preeclampsia demands proteinuria or end-organ findings and, by convention, onset before thirty-four weeks; this woman has neither the criteria nor the timing. Preexisting hypertension would require documented elevation before pregnancy or before the twentieth week, and nothing in the history supports that.

117. A nurse caring for a patient with gestational hypertension understands that the key feature distinguishing it from preeclampsia is that gestational hypertension is characterized by:
     • Raised blood pressure with low platelets and poor clotting
     • Raised blood pressure with clear urine and unharmed organs
     • Raised blood pressure with protein loss and swollen ankles
     • Raised blood pressure charted and resolved by twenty weeks

     Correct answer: Raised blood pressure with clear urine and unharmed organs

     The line between the two diagnoses is drawn by what accompanies the elevation, so gestational hypertension is raised blood pressure with clear urine and unharmed organs; the moment either appears the diagnosis becomes preeclampsia. Raised blood pressure with low platelets and poor clotting names a severe feature and therefore describes preeclampsia rather than the milder entity. Raised blood pressure with protein loss and swollen ankles again crosses into preeclampsia through the proteinuria, and edema alone is not diagnostic of anything. Raised blood pressure charted and resolved by twenty weeks points instead toward chronic hypertension unmasked by the mid-pregnancy fall in vascular resistance.

118. A patient on a magnesium sulfate infusion for severe preeclampsia is found to have absent patellar reflexes. This finding most likely indicates:
     • Early magnesium toxicity requiring the infusion be discontinued
     • Therapeutic magnesium levels allowing the infusion be sustained
     • Falling calcium stores blunting the magnesium infusion response
     • Impending eclampsia arising despite the magnesium infusion rate

     Correct answer: Early magnesium toxicity requiring the infusion be discontinued

     Loss of the patellar reflex is the earliest reliable bedside sign that serum magnesium has climbed past the therapeutic window, so this is Early magnesium toxicity requiring the infusion be discontinued before respiratory depression follows at higher levels. Reflexes are still present, though often diminished, throughout the therapeutic range, so Therapeutic magnesium levels allowing the infusion be sustained misreads an abnormal finding as an acceptable one. Magnesium does lower ionized calcium slightly, but Falling calcium stores blunting the magnesium infusion response is not what abolishes the reflex arc, and areflexia is a sign of excess magnesium rather than of Impending eclampsia arising despite the magnesium infusion rate, which would be signaled by cerebral symptoms and would never be treated by giving more drug.

119. A patient receiving magnesium sulfate develops a respiratory rate of 9 breaths per minute and absent reflexes. After stopping the infusion, which medication should the nurse anticipate administering as the antidote?
     • Protamine sulfate
     • Calcium gluconate
     • Dantrolene sodium
     • Naloxone infusion

     Correct answer: Calcium gluconate

     Calcium gluconate is the antidote for magnesium sulfate toxicity, typically one gram given intravenously over several minutes, and it rapidly reverses the respiratory depression and areflexia seen here. Protamine sulfate reverses heparin and has no activity against magnesium. Dantrolene sodium treats malignant hyperthermia by acting on the ryanodine receptor of skeletal muscle, not on magnesium blockade. Naloxone infusion reverses opioid-induced respiratory depression only, and giving it here would waste the minutes in which calcium is needed.

120. A nurse prepares calcium gluconate at the bedside of a patient receiving magnesium sulfate. The clinical rationale for keeping this drug readily available is that calcium:
     • Precipitates magnesium chemically at the plasma lipoproteins
     • Accelerates magnesium excretion through the proximal tubules
     • Competitively blocks magnesium at the neuromuscular junction
     • Restores the medullary respiratory centers despite magnesium

     Correct answer: Competitively blocks magnesium at the neuromuscular junction

     Calcium is kept at the bedside because it Competitively blocks magnesium at the neuromuscular junction, displacing magnesium from the presynaptic site so acetylcholine release and muscle contraction resume within minutes. It is not a binding agent, so it neither Precipitates magnesium chemically at the plasma lipoproteins nor locks the ion into an inert complex. It does not act on the kidney, so it does not work by an effect that Accelerates magnesium excretion through the proximal tubules, and renal clearance is far too slow to rescue a toxic patient. Nor is calcium a central stimulant that Restores the medullary respiratory centers despite magnesium; breathing improves only because peripheral neuromuscular transmission is restored.

121. A patient with preeclampsia has a seizure. After ensuring airway, breathing, and positioning, the priority pharmacologic intervention to control and prevent further eclamptic seizures is:
     • Phenytoin therapy
     • Diazepam infusion
     • Lorazepam boluses
     • Magnesium sulfate

     Correct answer: Magnesium sulfate

     Magnesium sulfate is the first-line agent for both terminating and preventing eclamptic seizures, given as a loading dose followed by a maintenance infusion and continued for at least a day after the seizure or the birth. Phenytoin therapy has been directly compared with magnesium in eclampsia trials and was clearly inferior for preventing recurrent seizures. Diazepam infusion and Lorazepam boluses are reserved for seizures that persist despite adequate magnesium, and used first they add maternal sedation and neonatal respiratory depression without matching magnesium's protective effect.

122. After an eclamptic seizure is controlled with magnesium sulfate and the patient is stabilized, the definitive treatment for eclampsia is:
     • Birth of the fetus and the placenta
     • Care on the ward and hourly reviews
     • Doses of the next sedative and rest
     • Transfer to the dark and quiet room

     Correct answer: Birth of the fetus and the placenta

     Eclampsia is a placental disease, so the only definitive treatment is Birth of the fetus and the placenta; magnesium and antihypertensives merely stabilize the patient until that happens. Care on the ward and hourly reviews prolongs exposure to the very organ driving the illness and does not cure it. Doses of the next sedative and rest treats the seizure symptomatically and adds respiratory risk without addressing the cause. Transfer to the dark and quiet room is a reasonable seizure precaution but is supportive nursing care, not a treatment for the disease itself.

123. Which laboratory triad is consistent with HELLP syndrome?
     • Ketosis, reduced blood bicarbonate, and large anion gap
     • Hemolysis, raised liver enzymes, and low platelet count
     • Proteinuria, poor urine output, and dilute serum sodium
     • Hemoconcentration, high plasma lipase, and a left shift

     Correct answer: Hemolysis, raised liver enzymes, and low platelet count

     The acronym itself spells the triad, so the answer is Hemolysis, raised liver enzymes, and low platelet count; the Tennessee criteria set the thresholds at LDH above 600 units per liter, AST above 70 units per liter, and platelets below 100,000 per microliter. Ketosis, reduced blood bicarbonate, and large anion gap is the pattern of diabetic ketoacidosis and says nothing about hepatic injury or platelet consumption. Proteinuria, poor urine output, and dilute serum sodium describes renal impairment, which can accompany preeclampsia but is not the defining triad. Hemoconcentration, high plasma lipase, and a left shift points to acute pancreatitis, and lipase is not part of any HELLP definition.

124. A 36-week patient reports right upper quadrant and epigastric pain, nausea, and malaise. Her platelets are 78,000 per microliter, AST is 220 U/L, and LDH is 900 U/L. These findings are most consistent with:
     • Diffuse peripartum steatosis (AFLP)
     • Maternal cholestatic pruritus (ICP)
     • Severe preeclampsia variant (HELLP)
     • Uncontrolled reflux symptoms (GERD)

     Correct answer: Severe preeclampsia variant (HELLP)

     Right upper quadrant pain from stretching of the liver capsule together with platelets under 100,000, AST over 70, and LDH over 600 is the Severe preeclampsia variant (HELLP). Diffuse peripartum steatosis (AFLP) is the closest mimic, but it characteristically brings hypoglycemia, a rising ammonia, and profound coagulopathy with a low fibrinogen rather than isolated thrombocytopenia. Maternal cholestatic pruritus (ICP) raises bile acids and produces itching without abdominal pain, thrombocytopenia, or hemolysis. Uncontrolled reflux symptoms (GERD) cause burning discomfort but never derange the platelet count, the transaminases, or the LDH.

125. A patient at 30 weeks meets criteria for preeclampsia with severe features. In addition to severe-range blood pressure, which finding independently qualifies as a severe feature?
     • Urine protein at 1,700 milligrams daily
     • Ultrasound weight of nearly 1,350 grams
     • Blood leukocytes past 13,500 per sample
     • Platelet level of 85,000 per microliter

     Correct answer: Platelet level of 85,000 per microliter

     Thrombocytopenia below 100,000 per microliter is a severe feature in its own right, so Platelet level of 85,000 per microliter qualifies without any other abnormality. Urine protein at 1,700 milligrams daily establishes proteinuria and therefore the diagnosis of preeclampsia, but the quantity of protein was deliberately dropped as a severity criterion because it does not track maternal outcome. Ultrasound weight of nearly 1,350 grams at this gestation suggests growth restriction, which is a fetal concern and likewise no longer a maternal severe feature. Blood leukocytes past 13,500 per sample is a routine finding in pregnancy and labor and has never been a severity criterion.

126. Which new symptom in a patient with preeclampsia is considered a severe feature signaling cerebral involvement and increased risk of eclampsia?
     • Severe headache persisting despite analgesic doses
     • Severe heartburn recurring following evening meals
     • Severe nausea worsening throughout early gestation
     • Severe positional ankle puffiness easing overnight

     Correct answer: Severe headache persisting despite analgesic doses

     Severe headache persisting despite analgesic doses is a central nervous system severe feature and marks a patient at heightened risk of seizing, so it prompts magnesium prophylaxis and urgent evaluation. Severe heartburn recurring following evening meals reflects the reflux that progesterone and the enlarging uterus produce, and it responds to antacids rather than signaling cerebral irritation. Severe nausea worsening throughout early gestation belongs to the first half of pregnancy and predates the hypertensive process entirely. Severe positional ankle puffiness easing overnight is gravitational edema, which resolves with recumbency and was removed from the diagnostic criteria because it is so common in healthy pregnancy.

127. A 27-week patient is admitted with preeclampsia with severe features. The primary purpose of administering betamethasone in this situation is to:
     • Reduce maternal urinary protein
     • Hasten fetal pulmonary maturity
     • Prevent eclamptic seizure onset
     • Lower severe arterial pressures

     Correct answer: Hasten fetal pulmonary maturity

     Betamethasone is an antenatal corticosteroid, and its purpose at 27 weeks is to Hasten fetal pulmonary maturity, which lowers the incidence of respiratory distress syndrome, intraventricular hemorrhage, and necrotizing enterocolitis if birth follows. It has no antiproteinuric action, so Reduce maternal urinary protein misattributes a fetal therapy to the maternal kidney. Prevent eclamptic seizure onset is the job of magnesium sulfate, not of a corticosteroid. Lower severe arterial pressures is achieved with labetalol, hydralazine, or nifedipine; corticosteroids may in fact raise blood pressure slightly through mineralocorticoid effect.

128. A patient at 31 weeks is at risk for imminent preterm birth. The standard antenatal corticosteroid course of betamethasone for fetal lung maturity is administered as:
     • Four smaller shots at half-day intervals
     • One single injection at hospital arrival
     • Two twelve-milligram doses one day apart
     • A gradual drip through forty-eight hours

     Correct answer: Two twelve-milligram doses one day apart

     The betamethasone course is Two twelve-milligram doses one day apart, given intramuscularly, with maximum benefit when birth occurs more than a day after the first injection and within the following week. Four smaller shots at half-day intervals describes the dexamethasone schedule, which is an accepted alternative drug but not how betamethasone is written. One single injection at hospital arrival leaves the course incomplete and forfeits much of the reduction in respiratory distress syndrome. A gradual drip through forty-eight hours is not a route used for antenatal corticosteroids at all, which are given as intermittent intramuscular injections.

129. A patient presents at 30 weeks reporting a gush of clear fluid from the vagina followed by continued leaking, with no contractions. Sterile speculum exam shows pooling that is nitrazine-positive and ferns on a slide. The most likely diagnosis is:
     • Watery discharge from the disturbed flora
     • Passive leakage from the maternal bladder
     • Expulsion of the protective cervical plug
     • Preterm rupture of the amniotic membranes

     Correct answer: Preterm rupture of the amniotic membranes

     Visible pooling, an alkaline nitrazine result, and ferning together confirm Preterm rupture of the amniotic membranes, since all three findings are specific to amniotic fluid and the gestation is under thirty-seven weeks with no labor. Watery discharge from the disturbed flora has an acidic pH, so it turns nitrazine paper the wrong way and does not fern. Passive leakage from the maternal bladder is urine, which is also acidic, fails to fern, and does not pool on speculum examination. Expulsion of the protective cervical plug produces a single blood-streaked mucoid loss rather than continuous clear fluid.

130. A patient at 30 weeks with confirmed PPROM has no signs of infection, labor, or fetal compromise. The recommended management is generally:
     • Inpatient observation with latency antibiotics and steroids
     • Immediate cesarean with regional anesthesia and transfusion
     • Outpatient discharge with fortnightly ultrasound and charts
     • Urgent induction with prostaglandin pessaries and analgesia

     Correct answer: Inpatient observation with latency antibiotics and steroids

     Before thirty-four weeks with a stable mother and fetus, the standard is Inpatient observation with latency antibiotics and steroids, which buys gestational age while covering the two things that matter most, ascending infection and lung immaturity. Immediate cesarean with regional anesthesia and transfusion imposes an abdominal delivery and extreme prematurity on a fetus that has no indication for either. Outpatient discharge with fortnightly ultrasound and charts abandons the close surveillance for fever, tachycardia, and cord accident that ruptured membranes demand. Urgent induction with prostaglandin pessaries and analgesia delivers a very preterm infant for no obstetric reason, since the whole point of expectant care is to postpone birth.

131. The primary rationale for administering latency antibiotics to a patient with PPROM at 29 weeks is to:
     • Suppress uterine activity and relieve maternal pain
     • Delay birth and reduce intraamniotic infection risk
     • Reverse septic shock and sterilize venous specimens
     • Mature fetal lungs and hasten surfactant production

     Correct answer: Delay birth and reduce intraamniotic infection risk

     Antibiotics after membrane rupture are prophylactic, and the reason to give them is to Delay birth and reduce intraamniotic infection risk, which also lowers neonatal sepsis and pneumonia. Suppress uterine activity and relieve maternal pain describes tocolytics and analgesics; antibiotics have no effect on myometrial contractility. Reverse septic shock and sterilize venous specimens misreads a prophylactic course as treatment of established infection, which would instead be an indication to deliver rather than to wait. Mature fetal lungs and hasten surfactant production is the work of betamethasone, a separate drug given for a separate purpose.

132. A laboring patient at 38 weeks has a maternal temperature of 39.0 C, maternal tachycardia, fetal tachycardia of 175 bpm, and purulent-appearing amniotic fluid. These findings are most consistent with:
     • Perforated appendicitis
     • Maternal pyelonephritis
     • Intraamniotic infection
     • Uteroplacental apoplexy

     Correct answer: Intraamniotic infection

     Fever with maternal and fetal tachycardia plus purulent amniotic fluid is Intraamniotic infection, the condition still widely called chorioamnionitis, and it is treated with broad-spectrum antibiotics while moving toward birth. Perforated appendicitis brings fever and tachycardia but presents with peritoneal signs and localized abdominal tenderness, not purulent fluid draining through the cervix. Maternal pyelonephritis also causes high fever and tachycardia, yet costovertebral angle tenderness and pyuria are its hallmarks and the amniotic fluid stays clear. Uteroplacental apoplexy is the bruised uterus of severe abruption, which produces pain and bleeding rather than fever and pus.

133. Which combination of clinical findings would most strongly support a diagnosis of chorioamnionitis?
     • Abrupt hypotension, acute hypoxia, and rapid coagulation failure
     • Crimson hemorrhage, nontender uterus, and untroubled vital signs
     • Plantar pruritus, nocturnal wakefulness, and elevated bile acids
     • Maternal fever, fetal tachycardia, and malodorous amniotic fluid

     Correct answer: Maternal fever, fetal tachycardia, and malodorous amniotic fluid

     The diagnosis rests on fever in the mother together with at least one supporting sign, so Maternal fever, fetal tachycardia, and malodorous amniotic fluid is the combination that carries the most weight; maternal tachycardia, fundal tenderness, and leukocytosis serve the same corroborating role. Abrupt hypotension, acute hypoxia, and rapid coagulation failure is the cardiopulmonary collapse of amniotic fluid embolism, which strikes without any febrile prodrome. Crimson hemorrhage, nontender uterus, and untroubled vital signs is the classic picture of placenta previa and carries no inflammatory element. Plantar pruritus, nocturnal wakefulness, and elevated bile acids belongs to intrahepatic cholestasis, a liver disorder with neither fever nor infected fluid.

134. A nurse compares placenta previa and placental abruption. Which statement correctly distinguishes them?
     • Previa typically causes painless scarlet bleeding, and abruption painful bleeding with a tender firm uterus
     • Previa typically causes gradual scanty bleeding, and abruption sudden bleeding with a mildly swollen uterus
     • Previa typically causes cramping heavy bleeding, and abruption silent bleeding with a supple relaxed uterus
     • Previa typically causes heavier visible bleeding, and abruption lighter bleeding with a doughy bulky uterus

     Correct answer: Previa typically causes painless scarlet bleeding, and abruption painful bleeding with a tender firm uterus

     The reliable discriminator is pain and uterine tone, so the accurate statement is that Previa typically causes painless scarlet bleeding, and abruption painful bleeding with a tender firm uterus, because a low-lying placenta bleeds from the cervical os while a separating one irritates the myometrium. Previa typically causes gradual scanty bleeding, and abruption sudden bleeding with a mildly swollen uterus is wrong because previa bleeding is characteristically sudden and can be torrential, and abruption does not swell the uterus so much as harden it. Previa typically causes cramping heavy bleeding, and abruption silent bleeding with a supple relaxed uterus simply reverses the two conditions. Previa typically causes heavier visible bleeding, and abruption lighter bleeding with a doughy bulky uterus is unsafe reasoning, since abruption blood is frequently concealed behind the placenta and visible loss badly understates the hemorrhage.

135. A patient at 32 weeks presents with sudden onset of dark vaginal bleeding, constant abdominal pain, and a board-like, tender uterus. Which sign set is most characteristic of placental abruption?
     • Painless bleeding with a supple untender uterus and unchanged recordings
     • Painful bleeding with a sore hypertonic uterus and frequent contractions
     • Intermittent bleeding with a calm nontender uterus and reassuring traces
     • Profuse bleeding with a boggy comfortable uterus and regular tightenings

     Correct answer: Painful bleeding with a sore hypertonic uterus and frequent contractions

     Abruption is defined clinically by Painful bleeding with a sore hypertonic uterus and frequent contractions, and the loss is often dark because it has tracked behind the placenta. Painless bleeding with a supple untender uterus and unchanged recordings describes placenta previa, where the placenta is not separating from the myometrium. Intermittent bleeding with a calm nontender uterus and reassuring traces fits a cervical or vaginal source such as an ectropion or a postcoital bleed. Profuse bleeding with a boggy comfortable uterus and regular tightenings contradicts itself, because a uterus filling with retroplacental blood becomes hard and painful rather than boggy and comfortable.

136. A patient at 34 weeks with chronic hypertension and cocaine use presents with abrupt severe abdominal pain and a category III tracing. The nurse recognizes that the strongest risk factors in this scenario for placental abruption are:
     • Cocaine withdrawal and past twin gestation
     • Mild diabetes and abundant amniotic volume
     • Cocaine exposure and raised blood pressure
     • Earlier cesarean birth and breech position

     Correct answer: Cocaine exposure and raised blood pressure

     Cocaine exposure and raised blood pressure are the two heavyweight risks in this picture, because both damage and constrict the uteroplacental vessels and set up premature separation; trauma, smoking, a previous abruption, and sudden uterine decompression follow behind them. Cocaine withdrawal and past twin gestation misplaces the risk, since it is active vasoconstriction from the drug rather than abstinence that shears the placenta, and a twin pregnancy in the past confers little. Mild diabetes and abundant amniotic volume matter mainly for macrosomia and cord prolapse, and polyhydramnios threatens the placenta only at the moment of rapid decompression. Earlier cesarean birth and breech position raise the risks of rupture and of malpresentation, not of abruption.

137. A patient with known complete placenta previa is admitted for bleeding. Which nursing action is contraindicated?
     • Venous cannulation of the forearm
     • External palpation of the abdomen
     • Urgent crossmatch of the specimen
     • Digital examination of the cervix

     Correct answer: Digital examination of the cervix

     Digital examination of the cervix is forbidden in known previa because a finger can shear the placenta off the lower segment and convert a warning bleed into an exsanguinating one; a careful sterile speculum look is the substitute when visualization is essential. Venous cannulation of the forearm is a priority, since two large-bore lines must be running before any deterioration. External palpation of the abdomen and continuous external monitoring give fetal and uterine information without touching the cervix at all. Urgent crossmatch of the specimen ensures compatible units are on hand, which is standard practice for any antepartum bleed.

138. A nurse provides dietary and monitoring teaching to a patient newly diagnosed with gestational diabetes. The first-line management approach for gestational diabetes is:
     • Nutrition therapy plus activity and home glucose checks
     • Immediate insulin doses plus mealtime and bedtime cover
     • Oral sulfonylurea pills plus weekly and monthly refills
     • Total carbohydrate removal plus protein and lipid swaps

     Correct answer: Nutrition therapy plus activity and home glucose checks

     First-line care is Nutrition therapy plus activity and home glucose checks, and roughly seven in ten patients reach target on this alone. Immediate insulin doses plus mealtime and bedtime cover skips the lifestyle trial that most patients never need to move past; insulin is added only when fasting or postprandial targets are missed. Oral sulfonylurea pills plus weekly and monthly refills names an agent that crosses the placenta and is not the preferred pharmacologic choice, and refill scheduling is not a management strategy. Total carbohydrate removal plus protein and lipid swaps starves the fetus of its main fuel and drives maternal ketosis; the aim is measured, evenly distributed carbohydrate, not elimination.

139. When insulin is required for a patient with gestational diabetes, the nurse teaches that insulin is preferred over many oral agents during pregnancy primarily because:
     • Insulin works after the sole weekly dose across pregnancy
     • Insulin fails to cross the placenta in meaningful amounts
     • Insulin remains far cheaper than the newest oral products
     • Insulin frees the woman from routine glucose meter checks

     Correct answer: Insulin fails to cross the placenta in meaningful amounts

     The safety argument rests on the molecule itself: Insulin fails to cross the placenta in meaningful amounts, so the fetus is not exposed, whereas several oral agents do reach the fetal circulation to varying degrees. Insulin works after the sole weekly dose across pregnancy is false; insulin in pregnancy is dosed daily and often several times a day as requirements climb through the third trimester. Insulin remains far cheaper than the newest oral products is not the reason it is chosen, and cost frequently runs the other way. Insulin frees the woman from routine glucose meter checks reverses the truth, since starting insulin makes self-monitoring more important, not less.

140. A neonate born to a mother with poorly controlled gestational diabetes is at greatest immediate risk for which complication in the first hours of life?
     • Hyperkalemia of the newborn
     • Hyponatremia of the newborn
     • Hypoglycemia of the newborn
     • Hyperthermia of the newborn

     Correct answer: Hypoglycemia of the newborn

     Maternal hyperglycemia drives fetal hyperinsulinemia, and when the cord is cut the glucose supply stops while the high insulin level persists, so Hypoglycemia of the newborn is the immediate danger and demands early feeding and heel-stick screening. Hyperkalemia of the newborn is not a consequence of maternal diabetes and would point instead to renal failure or hemolysis. Hyponatremia of the newborn arises from free-water excess or salt loss, neither of which the diabetic pregnancy produces. Hyperthermia of the newborn reflects sepsis or environmental overheating; the infant of a diabetic mother is more likely to become cold than hot.

141. A patient at 32 weeks is in confirmed preterm labor. A tocolytic is ordered. The primary purpose of administering a tocolytic in this setting is to:
     • Reverse cervical change for good and entirely restore closure
     • Sterilize an infected amniotic cavity and settle raised fever
     • Abolish contractions wholly and let this pregnancy reach term
     • Postpone birth long enough for steroids and maternal transfer

     Correct answer: Postpone birth long enough for steroids and maternal transfer

     Tocolysis buys about two days, and the purpose is to Postpone birth long enough for steroids and maternal transfer to a unit with the right level of neonatal care. Reverse cervical change for good and entirely restore closure is beyond what any tocolytic can do, since dilation and effacement do not reverse. Sterilize an infected amniotic cavity and settle raised fever describes antibiotics, and intraamniotic infection is in fact a contraindication to holding off delivery. Abolish contractions wholly and let this pregnancy reach term overstates the drug entirely; tocolytics have never been shown to prolong pregnancy to term or to improve long-term outcome on their own.

142. A nurse reviews tocolytic options for a patient in preterm labor at 31 weeks. Which agent is a calcium channel blocker commonly used for tocolysis?
     • Nifedipine
     • Diclofenac
     • Carboprost
     • Prednisone

     Correct answer: Nifedipine

     Nifedipine is the calcium channel blocker used for tocolysis; blocking calcium entry into myometrial cells relaxes the smooth muscle, and it is given orally with attention to maternal blood pressure. Diclofenac is a nonsteroidal anti-inflammatory, the same family as indomethacin, so it works through prostaglandin synthesis rather than calcium channels. Carboprost is a prostaglandin analogue that contracts the uterus and is used for postpartum hemorrhage, the opposite of tocolysis. Prednisone is a corticosteroid with no effect on uterine muscle, and the steroid given in preterm labor is betamethasone for the fetal lungs.

143. Magnesium sulfate may be administered to a patient in preterm labor at 28 weeks for a purpose distinct from tocolysis or seizure prevention. That additional purpose is:
     • Maturation of the airways against neonatal distress
     • Neuroprotection of the fetus against cerebral palsy
     • Reduction of the pressure against maternal apoplexy
     • Protection of the newborn against glycemic collapse

     Correct answer: Neuroprotection of the fetus against cerebral palsy

     Given before about thirty-two weeks when very preterm birth is expected, magnesium provides Neuroprotection of the fetus against cerebral palsy, reducing both the rate and the severity of motor impairment. Maturation of the airways against neonatal distress is the effect of betamethasone, not of magnesium, which does nothing for surfactant. Reduction of the pressure against maternal apoplexy misstates the drug: magnesium prevents eclamptic seizures but is a poor antihypertensive, and stroke prevention depends on labetalol or hydralazine. Protection of the newborn against glycemic collapse belongs to the infant of a diabetic mother and has no link to magnesium at all.

144. A patient at 35 weeks reports intense pruritus of the palms and soles, worse at night, with no rash. Serum bile acids are markedly elevated. The most likely diagnosis is:
     • Progressive pemphigoid gestationis
     • Widespread eczematous folliculitis
     • Obstetric intrahepatic cholestasis
     • Preeclamptic hepatocellular injury

     Correct answer: Obstetric intrahepatic cholestasis

     Intense itching of the palms and soles that is worse at night, with no primary rash and a markedly raised bile acid level, is Obstetric intrahepatic cholestasis; it carries a real stillbirth risk, so surveillance and timed birth matter and ursodeoxycholic acid eases the itch. Progressive pemphigoid gestationis itches fiercely but produces urticarial plaques and tense blisters, usually starting around the umbilicus, so the absence of any rash rules it out. Widespread eczematous folliculitis likewise shows visible pustules and follicular papules and leaves bile acids untouched. Preeclamptic hepatocellular injury raises transaminases and lowers platelets rather than causing isolated pruritus with a normal-looking skin.

145. A patient with chronic hypertension presents at 12 weeks for her first prenatal visit. The nurse anticipates that low-dose aspirin will be recommended because its primary benefit in this patient is to:
     • Prevent the arrival of gestational diabetes
     • Alleviate the queasiness of early gestation
     • Replenish the reservoirs of amniotic liquid
     • Reduce the likelihood of later preeclampsia

     Correct answer: Reduce the likelihood of later preeclampsia

     Chronic hypertension is a high-risk marker, so aspirin is started late in the first trimester to Reduce the likelihood of later preeclampsia and its complications, working through platelet inhibition that improves placental perfusion. Prevent the arrival of gestational diabetes is not an aspirin effect; glucose tolerance in pregnancy is unaffected by it. Alleviate the queasiness of early gestation confuses aspirin with antiemetics such as pyridoxine and doxylamine, and salicylates tend to irritate the stomach rather than settle it. Replenish the reservoirs of amniotic liquid is likewise unrelated, and prostaglandin inhibitors as a class push amniotic volume down rather than up.

146. A patient at 33 weeks with severe preeclampsia has a blood pressure of 168/114 mm Hg. The nurse anticipates an order for a first-line IV antihypertensive for acute severe-range hypertension, which would be:
     • IV labetalol
     • IV enalapril
     • IV clonidine
     • IV verapamil

     Correct answer: IV labetalol

     IV labetalol is a first-line choice for acute severe-range hypertension in pregnancy, alongside intravenous hydralazine and immediate-release oral nifedipine, with the aim of bringing the pressure down within the first hour to protect the maternal brain. IV enalapril belongs to a class that is contraindicated in pregnancy because angiotensin blockade injures the fetal kidneys. IV clonidine is a central alpha agonist used orally for chronic control and carries rebound hypertension on withdrawal, so it has no place in an emergency. IV verapamil is a calcium channel blocker but is used for arrhythmia rather than hypertensive crisis, and it compounds the cardiac depression seen when magnesium is also running.

147. A patient at 34 weeks with insulin-treated pregestational diabetes is admitted with nausea, vomiting, abdominal pain, fruity breath, and a blood glucose of 280 mg/dL. The nurse recognizes the priority concern as:
     • Early hyperemesis with ketonuria
     • Diabetic acidosis with ketonemia
     • Hypertensive crisis with malaise
     • Insulin excess with hypoglycemia

     Correct answer: Diabetic acidosis with ketonemia

     Nausea, vomiting, abdominal pain, fruity breath, and hyperglycemia in a pregnant patient with pregestational diabetes is Diabetic acidosis with ketonemia, which in pregnancy can appear at glucose levels far lower than in the nonpregnant adult and threatens the fetus quickly; it needs fluids, an insulin infusion, and electrolyte replacement. Early hyperemesis with ketonuria produces starvation ketosis with a normal or low glucose and belongs to the first trimester, not to thirty-four weeks. Hypertensive crisis with malaise would be marked by severe-range blood pressure readings, which are not described here. Insulin excess with hypoglycemia is excluded outright by a glucose of 280 and by the ketones on the breath.

148. A pregnant patient is diagnosed with pyelonephritis at 28 weeks. The nurse understands the most significant pregnancy-related complication this infection can precipitate is:
     • Raised volume of amniotic fluid
     • Poor control of maternal sugars
     • Premature onset of active labor
     • Downward growth of the placenta

     Correct answer: Premature onset of active labor

     Pyelonephritis provokes a systemic inflammatory and febrile response that releases prostaglandins and cytokines, and the classic obstetric consequence is Premature onset of active labor; maternal sepsis and acute respiratory distress are the other feared sequelae. Raised volume of amniotic fluid follows fetal polyuria in diabetes or a swallowing defect, not renal infection. Poor control of maternal sugars belongs to gestational or pregestational diabetes and has no causal link to an ascending urinary infection. Downward growth of the placenta is determined at implantation, long before any third-trimester infection could influence it.

149. A patient at 30 weeks with severe preeclampsia is receiving magnesium sulfate. Which assessment finding indicates the magnesium level is in a SAFE therapeutic range rather than toxic?
     • Absent lower limb responses with eleven breaths each minute
     • Brisk knee muscle twitches with fifteen breaths each minute
     • Sluggish biceps reflex return with nine breaths each minute
     • Weakened deep tendon jerks with sixteen breaths each minute

     Correct answer: Weakened deep tendon jerks with sixteen breaths each minute

     Weakened deep tendon jerks with sixteen breaths each minute is the therapeutic picture: reflexes are blunted but still elicitable and ventilation is unimpaired, which is exactly what the nurse checks alongside hourly urine output. Absent lower limb responses with eleven breaths each minute has already lost the reflex arc, the earliest sign that the level has climbed past the therapeutic window. Brisk knee muscle twitches with fifteen breaths each minute points the other way, to a subtherapeutic level that leaves the patient exposed to seizure. Sluggish biceps reflex return with nine breaths each minute pairs a plausible reflex finding with frank respiratory depression, and the low rate alone makes it toxic.

150. A patient with twin pregnancy is diagnosed with twin-to-twin transfusion syndrome. The nurse understands this complication arises specifically in:
     • Monochorionic twins with shared placental vascular links
     • Dichorionic twins with separate placental blood supplies
     • Diamniotic twins with thicker placental membrane borders
     • Dizygotic twins with adjacent placental cord attachments

     Correct answer: Monochorionic twins with shared placental vascular links

     The syndrome requires one shared placenta, so it arises only in Monochorionic twins with shared placental vascular links; blood is shunted unequally, leaving the donor anemic with oligohydramnios and the recipient overloaded with polyhydramnios. Dichorionic twins with separate placental blood supplies have no connecting vessels between the circulations and cannot develop it. Diamniotic twins with thicker placental membrane borders describes the dividing membrane, which reflects amnionicity rather than the vascular sharing that drives the transfusion. Dizygotic twins with adjacent placental cord attachments may have placentas that fuse and look like one mass, but fused placentas still carry two independent circulations.

151. A patient at 36 weeks with severe preeclampsia and a category II tracing is being prepared for delivery. The nurse understands magnesium sulfate seizure prophylaxis should be continued for what period?
     • For a scant hour after the birth
     • For a solid day beyond the birth
     • For a whole month past the birth
     • For a half week before the birth

     Correct answer: For a solid day beyond the birth

     Seizure risk persists well into the puerperium, so prophylaxis runs For a solid day beyond the birth, and longer if severe features or oliguria continue. For a scant hour after the birth stops the infusion inside the window in which most postpartum eclamptic seizures occur. For a whole month past the birth exposes the patient to unnecessary toxicity and immobility with no added protection once the risk period has passed. For a half week before the birth reverses the timing, since the drug must be running through labor and onward rather than stopped at delivery.

152. A patient at 33 weeks presents with a tense, painful uterus and dark vaginal bleeding, and laboratory results show a falling fibrinogen and prolonged coagulation times. The nurse recognizes that placental abruption can lead to which serious maternal complication reflected by these labs?
     • Persistent gestational thrombocythemia
     • Sustained puerperal hypercoagulability
     • Consumptive intravascular coagulopathy
     • Intermittent retroplacental thrombosis

     Correct answer: Consumptive intravascular coagulopathy

     A falling fibrinogen with prolonged clotting times means clotting factors are being used up faster than they are made, which is Consumptive intravascular coagulopathy; abruption releases placental tissue factor into the maternal circulation and triggers it, and treatment is blood product replacement and delivery. Persistent gestational thrombocythemia would mean a high platelet count, the opposite of what consumption produces. Sustained puerperal hypercoagulability describes the normal prothrombotic tilt of pregnancy, which raises fibrinogen rather than lowering it. Intermittent retroplacental thrombosis is the local clot behind the placenta; it is the trigger, not the systemic derangement that the laboratory results are showing.

153. A nurse is teaching a patient about the difference between preeclampsia without and with severe features. Which finding moves the diagnosis to preeclampsia WITH severe features?
     • Serum urate beyond 6.0 mg/dL or new puffiness
     • Hemoglobin past 13 g/dL or 3 weekly kilograms
     • Diuresis under 400 mL/day or 4 scanty amounts
     • Creatinine past 1.1 mg/dL or 2 times baseline

     Correct answer: Creatinine past 1.1 mg/dL or 2 times baseline

     Renal insufficiency is a severe feature, and it is defined as Creatinine past 1.1 mg/dL or 2 times baseline in the absence of other kidney disease; the remaining severe features are severe-range blood pressure, platelets below 100,000, transaminases at twice their usual ceiling, pulmonary edema, and new cerebral or visual symptoms. Serum urate beyond 6.0 mg/dL or new puffiness combines two findings that were both abandoned as criteria, since hyperuricemia tracks poorly with outcome and edema is near-universal in pregnancy. Hemoglobin past 13 g/dL or 3 weekly kilograms reflects hemoconcentration and fluid retention, which are suggestive but have never been severity criteria. Diuresis under 400 mL/day or 4 scanty amounts describes oliguria, which was deliberately removed from the severe-feature list and now matters only as part of the wider renal picture.

154. A patient at 26 weeks with PPROM is being monitored expectantly. Which assessment finding would prompt the team to proceed with delivery rather than continue expectant management?
     • Intraamniotic infection with maternal fever and fetal tachycardia
     • Persistent leakage with unchanged results and untroubled tracings
     • Settled leukocytes with afebrile readings and colorless discharge
     • Diminished pockets with painless stiffness and undisturbed cervix

     Correct answer: Intraamniotic infection with maternal fever and fetal tachycardia

     Expectant care ends the moment infection appears, so Intraamniotic infection with maternal fever and fetal tachycardia is the finding that sends the team toward birth; abruption, a nonreassuring tracing, and established labor do the same. Persistent leakage with unchanged results and untroubled tracings is the expected course after membranes rupture and is precisely the picture that justifies waiting. Settled leukocytes with afebrile readings and colorless discharge is reassuring on every axis and argues for more time, not less, at twenty-six weeks. Diminished pockets with painless stiffness and undisturbed cervix reflects the fluid loss itself with no labor and no infection, so it prompts closer surveillance rather than delivery.

155. A patient at 12 weeks presents with vaginal bleeding, a uterus larger than expected for dates, severe nausea, and a markedly elevated hCG, with ultrasound showing a snowstorm pattern. The nurse recognizes this as:
     • A ruptured cornual ectopic
     • A complete molar pregnancy
     • A dizygotic twin gestation
     • A degenerate uterine myoma

     Correct answer: A complete molar pregnancy

     Bleeding with a uterus large for dates, exaggerated nausea, an hCG far above the expected range, and a snowstorm on ultrasound with no fetus is A complete molar pregnancy; treatment is uterine evacuation followed by serial hCG surveillance for persistent trophoblastic disease. A ruptured cornual ectopic presents with acute pain and hemodynamic collapse, an empty uterus, and an hCG that is lower than dates rather than markedly higher. A dizygotic twin gestation does raise hCG and uterine size, but ultrasound shows two fetuses and two sacs, not a vesicular snowstorm. A degenerate uterine myoma can enlarge the uterus and cause pain, yet it leaves hCG entirely unaffected.

156. A patient with severe preeclampsia is started on magnesium sulfate. Which baseline and ongoing assessment is most essential for detecting impaired magnesium clearance before toxicity develops?
     • Fundal height each day
     • Body weight each night
     • Urine output each hour
     • Bowel tones each shift

     Correct answer: Urine output each hour

     Magnesium leaves the body almost entirely through the kidneys, so Urine output each hour is the assessment that warns of accumulation before reflexes fade or respirations fall; output below about thirty milliliters per hour calls for the dose to be reviewed. Fundal height each day tracks fetal growth over weeks and says nothing about renal handling of the drug. Body weight each night measures fluid balance too slowly and too crudely to catch a rising magnesium level. Bowel tones each shift may show the ileus that magnesium can cause, but that is a late consequence of toxicity rather than an early warning of impaired clearance.

157. A patient at 29 weeks with preeclampsia with severe features asks why she cannot simply remain on bed rest until term. The nurse's most accurate response is that:
     • antihypertensive drugs cure the placental disease, so home care can continue safely
     • childbirth alone halts the placental disease, so delay weighs risk against maturity
     • strict bed rest reverses the placental disease, so term delivery remains achievable
     • magnesium infusions repair the placental disease, so a planned birth is unnecessary

     Correct answer: childbirth alone halts the placental disease, so delay weighs risk against maturity

     Childbirth alone halts the placental disease, so delay weighs risk against maturity: preeclampsia is driven by the placenta, and removing it is the one definitive treatment, which is why care at 29 weeks is a continuous trade-off between fetal maturity and maternal deterioration. Antihypertensive drugs lower blood pressure but leave the placental process untouched, so home care is not safe. Strict bed rest reverses nothing and has never been shown to carry a patient with severe features to term. Magnesium infusions prevent seizures rather than repairing the placenta, so a planned birth still becomes necessary.

158. A patient at 30 weeks with chronic hypertension develops new proteinuria and worsening blood pressures. The nurse recognizes this superimposed condition as:
     • Nephrotic syndrome complicating her chronic hypertension
     • Physiologic anemia complicating her chronic hypertension
     • Overt preeclampsia complicating her chronic hypertension
     • Benign albuminuria complicating her chronic hypertension

     Correct answer: Overt preeclampsia complicating her chronic hypertension

     Overt preeclampsia complicating her chronic hypertension is the recognition being asked for: new proteinuria, an abrupt worsening of blood pressure, or new severe features appearing in a woman with pre-existing hypertension define superimposed preeclampsia, which carries higher maternal and fetal risk than either problem alone and demands close surveillance. Nephrotic syndrome would bring massive protein loss with hypoalbuminemia and marked edema rather than an abrupt pressure rise. Physiologic anemia of pregnancy is a dilutional hemoglobin change and explains neither the protein nor the pressures. Benign albuminuria is a diagnosis of exclusion and cannot be invoked while blood pressures are simultaneously climbing.

159. An Rh-negative patient at 28 weeks with no anti-D antibodies on screening is to receive Rho(D) immune globulin. The nurse explains the purpose of this routine antenatal dose is to:
     • Stimulate her antibody attack upon Rh-positive fetal cells
     • Destroy her acquired antibodies to Rh-positive fetal cells
     • Reverse anemia already produced by Rh-positive fetal cells
     • Prevent her later sensitization to Rh-positive fetal cells

     Correct answer: Prevent her later sensitization to Rh-positive fetal cells

     Prevent her later sensitization to Rh-positive fetal cells names the purpose of the routine 28-week dose: the passive anti-D clears any Rh-positive fetal cells that have entered the maternal circulation before her own immune system can mount a primary response, protecting future pregnancies from hemolytic disease of the fetus and newborn. It does not stimulate an antibody attack; it suppresses one. It cannot destroy acquired antibodies, because a patient who has already formed anti-D is sensitized and is no longer a candidate for prophylaxis at all. And it is preventive rather than therapeutic, so it will not reverse anemia already produced by Rh-positive fetal cells; that requires intrauterine transfusion.

160. A previously normotensive patient at 37 weeks gestation has a blood pressure of 164/112 mm Hg that persists when repeated 15 minutes later. According to current ACOG criteria, how should the nurse classify this reading?
     • Acute-onset severe-range hypertension needing immediate therapy
     • Long-established chronic hypertension antedating this gestation
     • Mild gestational hypertension permitting outpatient reappraisal
     • Benign positional hypertension reflecting late-pregnancy shifts

     Correct answer: Acute-onset severe-range hypertension needing immediate therapy

     Acute-onset severe-range hypertension needing immediate therapy is the correct classification. ACOG defines severe-range blood pressure as a systolic at or above 160 mm Hg or a diastolic at or above 110 mm Hg, and when that is confirmed on repeat measurement 15 minutes later, antihypertensive treatment should begin promptly to lower the risk of maternal stroke. Long-established chronic hypertension antedating this gestation is excluded because this patient was normotensive earlier in the pregnancy. Mild gestational hypertension permitting outpatient reappraisal is excluded because mild by definition stays under 160/110, and a persistent 164/112 is not something to recheck at the next visit. Benign positional hypertension reflecting late-pregnancy shifts is not a real category, and posture does not produce a sustained reading of this magnitude.

161. A patient at 33 weeks develops blood pressure of 148/96 mm Hg on two occasions four hours apart but has no proteinuria and normal platelets, liver enzymes, and creatinine. Which diagnosis best fits this presentation?
     • Chronic hypertension with prepregnancy onset
     • Gestational hypertension with new appearance
     • Preeclamptic hypertension with trace protein
     • Renovascular hypertension with mild stenosis

     Correct answer: Gestational hypertension with new appearance

     Gestational hypertension with new appearance is the best fit: pressures at or above 140/90 mm Hg on two occasions at least four hours apart after 20 weeks, in a woman who was previously normotensive and who has no proteinuria and no end-organ findings, define gestational hypertension. Chronic hypertension with prepregnancy onset is excluded because her pressures were normal earlier in this pregnancy. Preeclamptic hypertension with trace protein is excluded because trace protein falls below the diagnostic threshold and her platelets, transaminases and creatinine are all normal. Renovascular hypertension with mild stenosis is a chronic secondary cause that would not first declare itself as an isolated reading at 33 weeks. Because this diagnosis progresses to preeclampsia in a substantial minority, ongoing surveillance is essential.

162. A patient with preeclampsia has a blood pressure of 150/94 mm Hg but her platelet count is 88,000/microL and her serum creatinine has risen to 1.3 mg/dL. How does this change her diagnosis?
     • Preeclampsia lacking severe criteria because her pressures remain moderate
     • Preeclampsia advancing to severe eclampsia because her platelets collapsed
     • Preeclampsia including severe features because her organ function declined
     • Preeclampsia falling beneath severe limits because her creatinine improved

     Correct answer: Preeclampsia including severe features because her organ function declined

     Preeclampsia including severe features because her organ function declined is the correct reading: a platelet count under 100,000/microL and a creatinine above 1.1 mg/dL or double the baseline are each stand-alone severe features, so severe disease is diagnosed on end-organ injury even while the blood pressure sits in the non-severe range. Preeclampsia lacking severe criteria fails for exactly that reason, since moderate pressures do not cancel abnormal organ studies. Preeclampsia advancing to severe eclampsia fails because eclampsia is defined by new-onset seizures, which have not occurred here. Preeclampsia falling beneath severe limits because her creatinine improved inverts the data: the creatinine has risen, not improved.

163. A 29-year-old patient with preeclampsia suddenly has a generalized tonic-clonic seizure on the antepartum unit. After ensuring airway, breathing, and patient safety, what is the first-line pharmacologic therapy to control and prevent further seizures?
     • Intravenous diazepam infusion
     • Intravenous phenytoin therapy
     • Intravenous labetalol boluses
     • Intravenous magnesium sulfate

     Correct answer: Intravenous magnesium sulfate

     Intravenous magnesium sulfate is first-line both for terminating an eclamptic seizure and for preventing the next one, and randomized trials place it ahead of phenytoin and of benzodiazepines for this indication. Once airway, breathing and safety are secured, a loading dose is followed by a maintenance infusion. Intravenous diazepam infusion may suppress the convulsion in front of you but does not prevent recurrence and adds maternal and neonatal respiratory depression. Intravenous phenytoin therapy is inferior to magnesium in eclampsia and is held back for magnesium-refractory seizures. Intravenous labetalol boluses treat severe-range blood pressure, a separate problem, and have no anticonvulsant action at all.

164. A patient receiving a magnesium sulfate infusion for preeclampsia is monitored for toxicity. Which assessment finding is typically the EARLIEST clinical sign that the magnesium level is becoming toxic?
     • Disappearance of the deep tendon patellar reflexes
     • Suppression of the respiratory drive toward arrest
     • Standstill of the cardiac conduction system itself
     • Preservation of the abundant hourly urinary output

     Correct answer: Disappearance of the deep tendon patellar reflexes

     Disappearance of the deep tendon patellar reflexes is the earliest clinical marker that magnesium is accumulating, which is why the patellar reflex is rechecked at every assessment; areflexia appears well below the levels that threaten breathing. Suppression of the respiratory drive toward arrest arrives later, at higher serum concentrations, and is preceded by loss of reflexes rather than the other way round. Standstill of the cardiac conduction system itself sits at the far end of that same sequence, so it can never be the first warning. Preservation of the abundant hourly urinary output is reassuring rather than toxic, since it is oliguria, not diuresis, that lets magnesium build up.

165. During a magnesium sulfate infusion, a patient develops absent reflexes, a respiratory rate of 8, and slurred speech. The infusion is stopped. Which medication should the nurse anticipate administering as the antidote?
     • Intravenous protamine sulfate
     • Intravenous calcium gluconate
     • Intravenous naloxone infusion
     • Intravenous flumazenil pushes

     Correct answer: Intravenous calcium gluconate

     Intravenous calcium gluconate is the antidote for magnesium sulfate toxicity; about 1 gram is pushed slowly over some three minutes while the infusion stays off. Calcium competes with magnesium at the neuromuscular junction and in the myocardium, restoring respiratory drive and conduction. Intravenous protamine sulfate reverses heparin and has no action at that junction. Intravenous naloxone infusion reverses opioids, and nothing in this picture is opioid-mediated. Intravenous flumazenil pushes reverse benzodiazepines, which she has not received, and would add seizure risk to a patient already prone to seizures.

166. Which set of parameters should the nurse monitor at least hourly to detect early magnesium sulfate toxicity in a preeclamptic patient?
     • Fundal height, abdominal girth, and bowel peristalsis
     • Bishop score, cervical effacement, and fetal position
     • Patellar reflexes, respiratory rate, and urine volume
     • Serum glucose, hemoglobin level, and platelet numbers

     Correct answer: Patellar reflexes, respiratory rate, and urine volume

     Patellar reflexes, respiratory rate, and urine volume are the three bedside parameters that track magnesium accumulation hour by hour: reflexes fade first, a respiratory rate under 12 signals depression, and an output under roughly 30 mL/hr means the kidneys are no longer clearing the drug. Fundal height, abdominal girth, and bowel peristalsis follow uterine size and gut motility, neither of which indexes serum magnesium. Bishop score, cervical effacement, and fetal position describe readiness for labor rather than drug safety. Serum glucose, hemoglobin level, and platelet numbers matter in preeclampsia but move for reasons unrelated to magnesium, so they cannot warn of toxicity.

167. A patient at 35 weeks reports right upper quadrant pain, nausea, and malaise. Labs show hemolysis on smear, AST of 180 U/L, and platelets of 78,000/microL. Which condition do these findings indicate?
     • AFLP, an acute microvesicular hepatic disorder
     • ITP, an isolated platelet consumption disorder
     • TTP, a rapid thrombotic microvascular disorder
     • HELLP, a severe preeclampsia spectrum disorder

     Correct answer: HELLP, a severe preeclampsia spectrum disorder

     HELLP, a severe preeclampsia spectrum disorder, is what these findings indicate: hemolysis on the smear, transaminase elevation, and a platelet count under 100,000/microL, classically with right upper quadrant or epigastric pain, are exactly the three components the acronym names. AFLP, an acute microvesicular hepatic disorder, would bring hypoglycemia, a climbing bilirubin and frank hepatic synthetic failure rather than smear hemolysis with preserved glucose. ITP, an isolated platelet consumption disorder, produces thrombocytopenia alone, with neither hemolysis nor transaminase elevation. TTP, a rapid thrombotic microvascular disorder, is usually accompanied by neurologic change and marked renal failure with far lower platelet counts than these.

168. A laboring patient with ruptured membranes has a single oral temperature of 38.4 C that persists on recheck 30 minutes later, plus a fetal heart rate baseline of 175 bpm. Which assessment most supports a diagnosis of suspected intraamniotic infection?
     • A documented maternal fever alongside a rapid fetal heart
     • A forceful brachial pulse alongside a quieted fetal heart
     • A sharp uterine tenderness alongside a placid fetal heart
     • A clear amniotic drainage alongside a settled fetal heart

     Correct answer: A documented maternal fever alongside a rapid fetal heart

     A documented maternal fever alongside a rapid fetal heart is what supports the diagnosis. ACOG defines suspected intraamniotic infection as maternal intrapartum fever, either a single temperature of 39 C or above or 38 to 38.9 C confirmed on recheck, plus at least one of fetal tachycardia above 160 bpm, maternal leukocytosis, or purulent cervical drainage. A forceful brachial pulse alongside a quieted fetal heart describes maternal tachycardia, which was deliberately dropped from the criteria because it is common in labor and non-specific. A sharp uterine tenderness alongside a placid fetal heart was likewise removed as a diagnostic criterion. A clear amniotic drainage alongside a settled fetal heart argues against infection rather than for it.

169. A patient at 30 weeks reports a sudden gush of clear fluid, and rupture of membranes is confirmed with no contractions. Which intervention is the expected component of expectant management at this gestational age?
     • A repeated internal examination for cervical effacement
     • A seven-day antibiotic regimen for latency prolongation
     • A scheduled amniocentesis culture for occult infections
     • A maintenance tocolytic infusion for uterine quiescence

     Correct answer: A seven-day antibiotic regimen for latency prolongation

     A seven-day antibiotic regimen for latency prolongation is the expected component: broad-spectrum antibiotics given for seven days after preterm prelabor rupture of membranes before 34 0/7 weeks lengthen latency, cut the rate of intraamniotic infection, and reduce gestational-age-dependent neonatal morbidity. A repeated internal examination for cervical effacement is precisely what is avoided, because digital exams seed bacteria and shorten latency; sterile speculum exams are used instead. A scheduled amniocentesis culture for occult infections is not part of routine expectant care and carries its own procedural risk. A maintenance tocolytic infusion for uterine quiescence is not recommended after rupture, since prolonged tocolysis has not improved outcomes and can mask developing infection.

170. A patient at 31 weeks with PPROM is at risk for delivery within 7 days. Which medication should the nurse anticipate to reduce neonatal respiratory complications?
     • Surfactant as two intratracheal doses of ninety-eight milligrams, eighteen hours apart
     • Erythromycin as two intravenous doses of five-hundred milligrams, nineteen hours apart
     • Betamethasone as two intramuscular doses of twelve milligrams, twenty-four hours apart
     • Indomethacin as two rectal doses of one-hundred-fifty milligrams, thirteen hours apart

     Correct answer: Betamethasone as two intramuscular doses of twelve milligrams, twenty-four hours apart

     Betamethasone as two intramuscular doses of twelve milligrams, twenty-four hours apart, is the standard antenatal corticosteroid course. ACOG recommends a single course between 24 0/7 and 33 6/7 weeks when birth is likely within seven days, ruptured membranes included, and it is this that lowers respiratory distress syndrome, intraventricular hemorrhage and neonatal death. Surfactant as two intratracheal doses is neonatal therapy delivered to the baby after birth, so giving it to the mother accomplishes nothing. Erythromycin belongs to the latency antibiotic regimen, where it prolongs latency and reduces infection, but it does not mature fetal lung. Indomethacin is a tocolytic and prostaglandin inhibitor that may buy hours; it does not accelerate lung maturity, and prolonged use risks ductal constriction and oligohydramnios.

171. A patient at 29 weeks is in preterm labor with cervical change. The provider orders a tocolytic to delay delivery. What is the primary goal of short-term tocolysis in this situation?
     • To reverse the cervical changes and abolish her contractions
     • To continue this pregnancy to term and eliminate prematurity
     • To cure the infection and inflammation responsible for labor
     • To gain time for corticosteroid effect and maternal transfer

     Correct answer: To gain time for corticosteroid effect and maternal transfer

     To gain time for corticosteroid effect and maternal transfer is the primary goal: short-term tocolysis holds off birth for roughly 48 hours so that a course of antenatal steroids can work and so that the mother can reach a facility with the right level of neonatal care. To reverse the cervical changes and abolish her contractions overstates the drugs, which blunt contractions briefly and cannot undo cervical change. To continue this pregnancy to term and eliminate prematurity is not achievable, because tocolytics do not meaningfully prolong pregnancy beyond a few days. To cure the infection and inflammation responsible for labor confuses tocolysis with treatment of the underlying trigger, which tocolysis never provides.

172. A patient at 32 weeks presents with painless, bright-red vaginal bleeding and a soft, non-tender uterus, with the fetus in a reassuring pattern. Which condition does this classically describe?
     • Placenta previa across the endocervical canal
     • Placental separation across the decidual base
     • Velamentous rupture across the thin membranes
     • Myometrial dehiscence across the earlier scar

     Correct answer: Placenta previa across the endocervical canal

     Placenta previa across the endocervical canal is what this classically describes: when the placenta covers or lies close to the internal os, stretching of the lower segment produces painless, bright-red bleeding over a soft, non-tender uterus, and the fetus is usually unaffected at first. Placental separation across the decidual base is abruption, which causes painful dark bleeding with a firm, tender, often hypertonic uterus. Velamentous rupture across the thin membranes is vasa previa, in which the blood lost is fetal and deterioration follows membrane rupture within minutes. Myometrial dehiscence across the earlier scar is uterine rupture, which announces itself with pain, loss of station and an abnormal tracing rather than with painless bleeding. Digital cervical examination is withheld until ultrasound has excluded previa.

173. Which combination of findings most strongly suggests placental abruption rather than placenta previa?
     • Painless bright bleeding with a soft, supple uterus and sparse contractions
     • Painful dark bleeding with a rigid, tender uterus and frequent contractions
     • Unheralded fetal bleeding with a lax, mobile uterus and absent contractions
     • Cramping scant bleeding with a firm, scarred uterus and halted contractions

     Correct answer: Painful dark bleeding with a rigid, tender uterus and frequent contractions

     Painful dark bleeding with a rigid, tender uterus and frequent contractions most strongly suggests placental abruption, the premature separation of a normally sited placenta; because much of the blood can stay concealed behind the placenta, pain and uterine tone often exceed what is visible externally. Painless bright bleeding with a soft, supple uterus and sparse contractions is the previa picture this question asks you to separate it from. Unheralded fetal bleeding with a lax, mobile uterus and absent contractions describes vasa previa, where the blood lost is fetal and the uterus stays quiet. Cramping scant bleeding with a firm, scarred uterus and halted contractions points instead to uterine rupture, in which contractions typically cease and fetal station is lost.

174. Which maternal condition carries the strongest association with placental abruption?
     • Untreated hypothyroidism, whether overt or borderline
     • Streptococcal colonization, whether rectal or vaginal
     • Hypertensive disease, whether chronic or preeclamptic
     • Iron-deficiency anemia, whether moderate or resistant

     Correct answer: Hypertensive disease, whether chronic or preeclamptic

     Hypertensive disease, whether chronic or preeclamptic, carries the strongest and most consistent association with placental abruption, because chronic vascular injury at the decidual bed predisposes the placenta to premature separation. Untreated hypothyroidism, whether overt or borderline, raises rates of pregnancy loss and impaired neurodevelopment but is not a recognized abruption risk. Streptococcal colonization, whether rectal or vaginal, drives intrapartum prophylaxis against neonatal sepsis and has no bearing on placental separation. Iron-deficiency anemia, whether moderate or resistant, follows blood loss rather than causing abruption. The other principal risks are trauma, cocaine use, prior abruption and rapid uterine decompression.

175. A patient with gestational diabetes is admitted for glucose control. Which fasting and 1-hour postprandial glucose targets reflect current recommended goals for gestational diabetes?
     • Overnight fasting below 85 mg/dL with one-hour peaks below 170 mg/dL
     • Nocturnal fasting below 70 mg/dL with one-hour spike below 100 mg/dL
     • Antenatal fasting below 80 mg/dL with one-hour highs below 200 mg/dL
     • Maternal fasting below 95 mg/dL with one-hour values below 140 mg/dL

     Correct answer: Maternal fasting below 95 mg/dL with one-hour values below 140 mg/dL

     Maternal fasting below 95 mg/dL with one-hour values below 140 mg/dL are the standard glycemic targets in gestational diabetes, with a two-hour alternative below 120 mg/dL; holding to them lowers macrosomia, shoulder dystocia and neonatal hypoglycemia. Overnight fasting below 85 mg/dL with one-hour peaks below 170 mg/dL sets the fasting bar tighter than any guideline while letting postprandial excursions run high. Nocturnal fasting below 70 mg/dL with one-hour spike below 100 mg/dL is a nonpregnant euglycemic range that would provoke maternal hypoglycemia. Antenatal fasting below 80 mg/dL with one-hour highs below 200 mg/dL permits frank postprandial hyperglycemia and the fetal overgrowth that follows it.

176. Immediately following an eclamptic seizure, fetal monitoring often shows a transient bradycardia or recurrent late decelerations. What is the most appropriate initial nursing response?
     • Stabilize the patient and let intrauterine resuscitation precede the birth
     • Discontinue the magnesium and let cerebral perfusion restore the waveforms
     • Administer the tocolytic and let uterine relaxation settle the bradycardia
     • Accelerate the cesarean and let operative urgency override the convulsions

     Correct answer: Stabilize the patient and let intrauterine resuscitation precede the birth

     Stabilize the patient and let intrauterine resuscitation precede the birth is the correct initial response: post-ictal bradycardia and late decelerations are usually transient and recover as maternal oxygenation, perfusion and acid-base status recover, so airway, oxygen, lateral position, seizure control and pressure control come first. Discontinue the magnesium and let cerebral perfusion restore the waveforms is wrong because magnesium is precisely what prevents the next seizure, and stopping it invites recurrence. Administer the tocolytic and let uterine relaxation settle the bradycardia treats uterine hyperstimulation, which is not the mechanism here. Accelerate the cesarean and let operative urgency override the convulsions is unsafe, since operating on a convulsing, unstabilized patient endangers mother and fetus, and most of these tracings recover without any delivery.

177. A patient with severe-range blood pressure of 168/114 mm Hg needs urgent treatment. Which medication is an appropriate first-line agent for acute-onset severe hypertension in pregnancy?
     • Sublingual nifedipine, a swift vasodilator
     • Intravenous labetalol, a hybrid antagonist
     • Transdermal clonidine, an alpha stimulator
     • Oral lisinopril, an angiotensin suppressor

     Correct answer: Intravenous labetalol, a hybrid antagonist

     Intravenous labetalol, a hybrid antagonist, is an appropriate first-line agent for acute-onset severe hypertension in pregnancy, alongside intravenous hydralazine and immediate-release oral nifedipine tablets. Sublingual nifedipine, a swift vasodilator, is specifically avoided, because the sublingual capsule can drop pressure precipitously and strip uteroplacental perfusion; it is the oral tablet, not the capsule, that is recommended. Transdermal clonidine, an alpha stimulator, acts far too slowly to be useful in a hypertensive emergency and has no first-line role in pregnancy. Oral lisinopril, an angiotensin suppressor, is contraindicated throughout pregnancy because ACE inhibition produces fetal renal failure and oligohydramnios.

178. A patient at 28 weeks is expected to deliver imminently. In addition to seizure prophylaxis indications, magnesium sulfate may be administered in this setting primarily for which fetal benefit?
     • Fetal lung maturation, hastening surfactant production
     • Fetal ductal narrowing, smoothing pulmonary adaptation
     • Fetal neuroprotection, decreasing cerebral palsy rates
     • Fetal bilirubin clearance, averting future kernicterus

     Correct answer: Fetal neuroprotection, decreasing cerebral palsy rates

     Fetal neuroprotection, decreasing cerebral palsy rates, is why magnesium sulfate is given ahead of anticipated early preterm birth, generally under 32 weeks; trials show a lower incidence and severity of cerebral palsy among survivors. Fetal lung maturation, hastening surfactant production, is the work of antenatal corticosteroids, not of magnesium. Fetal ductal narrowing, smoothing pulmonary adaptation, misstates an adverse effect of prostaglandin inhibitors such as indomethacin, and premature ductal constriction is something to avoid rather than a benefit. Fetal bilirubin clearance, averting future kernicterus, is a postnatal problem handled with phototherapy and, if needed, exchange transfusion.

179. A patient at 34 weeks is diagnosed with HELLP syndrome with platelets falling to 60,000/microL. What is the definitive management?
     • Transfusion of the platelets with more weeks
     • Control of the pressures with prolonged rest
     • Infusion of the factors with repeated panels
     • Delivery of the fetus with attached placenta

     Correct answer: Delivery of the fetus with attached placenta

     Delivery of the fetus with attached placenta is the definitive management of HELLP syndrome, because the process is placentally driven and reverses only once the placenta is out; at 34 weeks there is no maturity argument left for waiting. Transfusion of the platelets with more weeks inverts the priorities, since platelets are given as support around the time of birth rather than as a way to buy weeks. Control of the pressures with prolonged rest treats one feature and leaves the hemolysis, liver injury and platelet consumption to progress. Infusion of the factors with repeated panels is reasonable supportive care but is not curative, and pursuing it merely delays the one intervention that is.

180. At what blood pressure threshold, measured on two occasions after 20 weeks in a previously normotensive patient, is gestational hypertension diagnosed?
     • 140/90 mm Hg or higher, a modest elevation
     • 130/80 mm Hg or higher, a marginal uptrend
     • 150/100 mm Hg or higher, a notable reading
     • 160/110 mm Hg or higher, a marked increase

     Correct answer: 140/90 mm Hg or higher, a modest elevation

     140/90 mm Hg or higher, a modest elevation, is the diagnostic threshold: gestational hypertension is diagnosed when systolic reaches 140 mm Hg or diastolic reaches 90 mm Hg on two occasions at least four hours apart after 20 weeks in a woman who was previously normotensive. 130/80 mm Hg or higher, a marginal uptrend, is the general adult stage 1 cut-off and is not the obstetric criterion. 150/100 mm Hg or higher, a notable reading, corresponds to no category in the obstetric classification at all. 160/110 mm Hg or higher, a marked increase, defines severe-range hypertension, which sits above the diagnostic threshold and triggers urgent treatment rather than establishing the diagnosis.

181. A patient being treated for eclampsia with magnesium sulfate develops a magnesium level of 10 mg/dL with absent reflexes but an adequate respiratory rate. What is the most appropriate immediate nursing action?
     • Deliver the magnesium bolus and notify the physician
     • Stop the magnesium infusion and notify the physician
     • Reduce the magnesium dosage and notify the physician
     • Recheck the magnesium level and notify the physician

     Correct answer: Stop the magnesium infusion and notify the physician

     Stop the magnesium infusion and notify the physician is the correct immediate action: absent deep tendon reflexes with a level near 10 mg/dL means the therapeutic window has been passed and respiratory depression is the next thing to appear, so the drug is held outright while the physician is informed. Deliver the magnesium bolus and notify the physician would drive the level higher and hasten respiratory arrest. Reduce the magnesium dosage and notify the physician leaves drug running into a patient already above the therapeutic range; the infusion is stopped, not merely trimmed. Recheck the magnesium level and notify the physician spends the interval that matters, because the clinical finding has already established toxicity. Calcium gluconate is kept at the bedside in case breathing falters.

182. A patient reports possible leakage of fluid at 31 weeks. Which finding best confirms rupture of membranes while minimizing infection risk?
     • Digital cervical palpation showing dilation, effacement, and fetal station
     • Bedside ultrasound scanning showing volume, position, and estimated weight
     • Sterile speculum inspection showing pooling, ferning, and nitrazine change
     • External monitor strip showing contractions, variability, and resting tone

     Correct answer: Sterile speculum inspection showing pooling, ferning, and nitrazine change

     Sterile speculum inspection showing pooling, ferning, and nitrazine change is the standard confirmation and the one that adds least infection risk: fluid collected in the posterior fornix, an alkaline nitrazine result, and an arborizing fern pattern on a dried slide together establish ruptured membranes. Digital cervical palpation showing dilation, effacement, and fetal station is precisely what is avoided at 31 weeks, since a digital exam introduces organisms and shortens latency. Bedside ultrasound scanning showing volume, position, and estimated weight may suggest low fluid but cannot confirm rupture, because oligohydramnios has several other causes. External monitor strip showing contractions, variability, and resting tone reports fetal status and uterine activity, neither of which speaks to membrane integrity.

183. A patient with preeclampsia reports a persistent headache unrelieved by acetaminophen and new visual scotomata. How should the nurse interpret these symptoms?
     • Common pregnancy discomforts needing basic outpatient reassurance
     • Encouraging evidence for her preeclampsia spontaneously resolving
     • Incidental migraine symptoms plainly lacking hypertensive linkage
     • Neurologic severe features demanding immediate bedside evaluation

     Correct answer: Neurologic severe features demanding immediate bedside evaluation

     Neurologic severe features demanding immediate bedside evaluation is the correct interpretation: a headache that persists through acetaminophen and new visual scotomata are stand-alone severe features of preeclampsia, marking cerebral involvement and a rising risk of eclampsia and stroke, so pressures are rechecked, the physician is called, and magnesium and antihypertensive therapy are anticipated. Common pregnancy discomforts needing basic outpatient reassurance misreads them, and such symptoms are never dismissed in a preeclamptic patient. Encouraging evidence for her preeclampsia spontaneously resolving inverts the meaning, since new neurologic symptoms mark progression. Incidental migraine symptoms plainly lacking hypertensive linkage cannot be assumed, because new visual change in preeclampsia belongs to the disease until proven otherwise.

184. Which serum magnesium range is generally considered therapeutic for seizure prophylaxis in preeclampsia, below the level at which reflexes are typically lost?
     • Levels sitting about 4 to 7 mg/dL
     • Results moving about 1 to 2 mg/dL
     • Numbers going about 9 to 12 mg/dL
     • Data peaking about 13 to 15 mg/dL

     Correct answer: Levels sitting about 4 to 7 mg/dL

     Levels sitting about 4 to 7 mg/dL is the therapeutic band for seizure prophylaxis in preeclampsia, which is why the infusion is titrated to clinical signs rather than driven higher. Results moving about 1 to 2 mg/dL is the ordinary nonpregnant serum concentration and lies far below anything that suppresses seizures. Numbers going about 9 to 12 mg/dL is where the patellar reflex disappears, the first clinical warning of toxicity, so that band sits above the therapeutic one rather than inside it. Data peaking about 13 to 15 mg/dL is frankly toxic, bringing respiratory depression and, higher still, cardiac arrest.

185. A laboring patient is diagnosed with suspected intraamniotic infection. In addition to maternal antipyretics, what is the cornerstone of intrapartum management?
     • Culture-directed oral antibiotics with protracted expectant surveillance
     • Broad-spectrum intravenous antibiotics with expeditious planned delivery
     • Postponed single-agent antibiotics with symptomatic antipyretic measures
     • Withheld prophylactic antibiotics with continuous tocolytic prolongation

     Correct answer: Broad-spectrum intravenous antibiotics with expeditious planned delivery

     Broad-spectrum intravenous antibiotics with expeditious planned delivery is the cornerstone: treatment starts on clinical suspicion rather than on culture results, and the pregnancy is brought to an end because an infected uterus threatens mother and fetus alike. Culture-directed oral antibiotics with protracted expectant surveillance loses a day or more waiting for cultures and uses a route that cannot reach intrauterine levels. Postponed single-agent antibiotics with symptomatic antipyretic measures treats the fever and leaves the infection running. Withheld prophylactic antibiotics with continuous tocolytic prolongation is actively harmful, since suppressing labor keeps the infected uterus undelivered. Birth need not be by cesarean; the route is decided on obstetric grounds.

186. A patient at 30 weeks with known complete placenta previa has an episode of painless bleeding that stops, and both mother and fetus are stable. What is the most appropriate management approach?
     • Immediate labor stimulation with uninterrupted maternal telemetry
     • Prompt outpatient management with unrestricted marital resumption
     • Inpatient expectant observation with vaginal examination withheld
     • Repeated digital assessment with extensive cervical documentation

     Correct answer: Inpatient expectant observation with vaginal examination withheld

     Inpatient expectant observation with vaginal examination withheld is the appropriate approach for a stable preterm patient with complete previa after a bleed that has already stopped: the aim is to gain gestational weeks under observation while nothing is permitted to disturb the lower segment, and birth is planned by scheduled cesarean. Immediate labor stimulation with uninterrupted maternal telemetry would drive the presenting part against a placenta covering the os and provoke catastrophic hemorrhage. Prompt outpatient management with unrestricted marital resumption removes the patient from the one setting where a sudden bleed can be treated and permits exactly the cervical contact that triggers it. Repeated digital assessment with extensive cervical documentation is the single most dangerous act available with a known previa.

187. A patient with a large placental abruption develops oozing from IV sites, prolonged PT and PTT, low fibrinogen, and falling platelets. Which complication has most likely developed?
     • Cardiorespiratory collapse, or AFE, after the abruption
     • Postviral thrombocytopenia, or ITP, after the abruption
     • Thrombotic microangiopathy, or HUS, after the abruption
     • Intravascular coagulopathy, or DIC, after the abruption

     Correct answer: Intravascular coagulopathy, or DIC, after the abruption

     Intravascular coagulopathy, or DIC, after the abruption is what has developed: thromboplastin released from the disrupted placenta sets off widespread activation of coagulation, consuming platelets and clotting factors, dropping fibrinogen, prolonging PT and PTT, and producing the ooze from every puncture site. Treatment is delivery plus blood-product replacement guided by fibrinogen. Cardiorespiratory collapse, or AFE, after the abruption would announce itself with sudden hypotension, hypoxia and arrest before any bleeding diathesis, and no such collapse is described here. Postviral thrombocytopenia, or ITP, after the abruption would lower platelets alone and leave PT, PTT and fibrinogen untouched. Thrombotic microangiopathy, or HUS, after the abruption features renal failure with schistocytes and characteristically normal clotting times.

188. A patient with PPROM reaches 34 weeks of gestation with no signs of infection, labor, or fetal compromise. According to current guidance, what is the generally recommended plan?
     • Proceeding with childbirth, terminating the pregnancy right away
     • Continue watching, holding the pregnancy into thirty-seven weeks
     • Redose antibiotics weekly, shielding the pregnancy with coverage
     • Deploy maintenance tocolysis, stretching the pregnancy past term

     Correct answer: Proceeding with childbirth, terminating the pregnancy right away

     Proceeding with childbirth, terminating the pregnancy right away is the generally recommended plan once PPROM reaches about 34 0/7 weeks, because beyond that point the accumulating risk of intraamniotic infection, cord accident and abruption outweighs the shrinking benefit of further fetal maturation. Continue watching, holding the pregnancy into thirty-seven weeks pushes expectant management well past the point where it still helps. Redose antibiotics weekly, shielding the pregnancy with coverage is not standard, since latency antibiotics are given as one seven-day course and repeat courses select resistant organisms. Deploy maintenance tocolysis, stretching the pregnancy past term has no role after rupture and would mask the earliest signs of infection.

189. A patient with preeclampsia with severe features develops dyspnea, crackles in the lung bases, and an oxygen saturation of 90%. Which severe feature do these findings represent?
     • Vascular congestion within the nasal mucosa
     • Excess fluid within the pulmonary airspaces
     • Reduced capacity within the crowded abdomen
     • Aspirated contents within the lower airways

     Correct answer: Excess fluid within the pulmonary airspaces

     Excess fluid within the pulmonary airspaces is what these findings represent: pulmonary edema, a recognized severe feature of preeclampsia produced by increased capillary permeability, low oncotic pressure and fluid overload, and it calls for oxygen, restricted fluids and often a diuretic. Vascular congestion within the nasal mucosa is gestational rhinitis, which causes stuffiness and never hypoxemia or bibasilar crackles. Reduced capacity within the crowded abdomen describes the physiologic dyspnea of late pregnancy, which leaves saturation intact and the chest clear. Aspirated contents within the lower airways would follow a witnessed aspiration event and typically bring fever with a focal infiltrate rather than symmetrical basal crackles.

190. A patient received a complete course of betamethasone at 28 weeks but did not deliver and now at 33 weeks is again at imminent risk of preterm birth. Which action reflects current corticosteroid guidance?
     • Withhold additional steroids, since a complete course finished within weeks
     • Repeat weekly steroids, since further redoses within weeks preserve benefit
     • Order rescue steroids, since fourteen days elapsed within thirty-four weeks
     • Substitute surfactant for steroids, since those maternal weeks have expired

     Correct answer: Order rescue steroids, since fourteen days elapsed within thirty-four weeks

     Order rescue steroids, since fourteen days elapsed within thirty-four weeks is the action that reflects current guidance: a single rescue course is offered when the earlier course was given more than fourteen days ago, the patient is still under 34 0/7 weeks, and birth is once again likely within seven days. Withhold additional steroids, since a complete course finished within weeks ignores the demonstrated benefit of a rescue course five weeks after the first. Repeat weekly steroids, since further redoses within weeks preserve benefit is not recommended, because serial courses carry fetal growth and neurodevelopmental concerns without added benefit. Substitute surfactant for steroids, since those maternal weeks have expired is not a therapy at all; surfactant is given to the newborn, never to the mother.

191. During an eclamptic seizure, in addition to protecting the airway and providing oxygen, which positioning intervention best supports maternal-fetal perfusion?
     • Position the patient entirely flat upon her back
     • Position the patient upright upon her lower legs
     • Position the patient head-down upon a steep tilt
     • Position the patient squarely upon her left side

     Correct answer: Position the patient squarely upon her left side

     Position the patient squarely upon her left side is the positioning that best supports perfusion during an eclamptic seizure: it lifts the gravid uterus off the inferior vena cava and aorta, restoring venous return, cardiac output and uteroplacental flow, and it lets secretions drain away from the airway. Position the patient entirely flat upon her back does the opposite, deepening aortocaval compression and raising aspiration risk. Position the patient upright upon her lower legs pools blood in the dependent limbs and drops venous return further. Position the patient head-down upon a steep tilt does nothing for caval compression and forces abdominal contents against the diaphragm.

192. A patient is diagnosed with gestational diabetes after a 75 g or 100 g oral glucose tolerance test. Which fetal complication is the diet-and-glucose management plan most directly aimed at preventing?
     • Fetal overgrowth causing the obstructed shoulder passage
     • Fetal neural tube anomalies arising during organogenesis
     • Fetal cytomegalovirus disease crossing the thin placenta
     • Fetal erythrocyte hemolysis following the antibody surge

     Correct answer: Fetal overgrowth causing the obstructed shoulder passage

     Fetal overgrowth causing the obstructed shoulder passage is what glycemic management aims most directly at preventing: maternal hyperglycemia crosses to the fetus, drives fetal hyperinsulinemia and asymmetric growth, and the enlarged shoulders are what produce dystocia and birth trauma, while tight control also lowers neonatal hypoglycemia. Fetal neural tube anomalies arising during organogenesis belong to pregestational hyperglycemia and folate status, and the neural tube has long since closed by the time gestational diabetes is diagnosed. Fetal cytomegalovirus disease crossing the thin placenta is an infectious problem with no link to maternal glucose. Fetal erythrocyte hemolysis following the antibody surge is the alloimmune Rh problem addressed by Rho(D) prophylaxis, not by diet.

193. After delivery of a patient treated for preeclampsia with severe features, for approximately how long is magnesium sulfate typically continued for seizure prophylaxis?
     • Approximately seven days beyond the birth
     • Around twenty-four hours beyond the birth
     • Virtually ninety minutes beyond the birth
     • Continuously eight weeks beyond the birth

     Correct answer: Around twenty-four hours beyond the birth

     Around twenty-four hours beyond the birth is how long magnesium sulfate is usually continued, because the risk of an eclamptic seizure persists into the early postpartum period and a substantial share of first seizures occur there. Approximately seven days beyond the birth has no basis in any guideline, and a week of infusion adds toxicity without benefit. Virtually ninety minutes beyond the birth would stop the drug in the middle of the highest-risk window. Continuously eight weeks beyond the birth confuses seizure prophylaxis with the length of the puerperium itself.

194. A patient with PPROM at 28 weeks is at increased risk for which fetal or obstetric complication directly related to the loss of amniotic fluid?
     • Overload and distension of the amniotic cavity
     • Constriction and injury of the uterine vessels
     • Compression and prolapse of the umbilical cord
     • Delay and overmaturity of the entire pregnancy

     Correct answer: Compression and prolapse of the umbilical cord

     Compression and prolapse of the umbilical cord follows directly from the loss of amniotic fluid: without the fluid cushion the cord can be squeezed between the presenting part and the uterine wall, producing variable decelerations, and with a high or unengaged presenting part it can slip through the cervix outright. Overload and distension of the amniotic cavity is polyhydramnios, the opposite of what rupture produces. Constriction and injury of the uterine vessels describes the vascular lesion of hypertensive disease, which ruptured membranes do not cause. Delay and overmaturity of the entire pregnancy is post-term pregnancy, impossible here because rupture at 28 weeks shortens gestation rather than lengthening it.

195. During interpretation of an external fetal monitor tracing, the nurse identifies the baseline fetal heart rate as the mean rate rounded to increments of 5 beats per minute over a 10-minute window. Which value range represents a normal baseline per current NICHD terminology?
     • Covering 120 to 170 beats per minute
     • Crossing 100 to 150 beats per minute
     • Reaching 105 to 145 beats per minute
     • Spanning 110 to 160 beats per minute

     Correct answer: Spanning 110 to 160 beats per minute

     Spanning 110 to 160 beats per minute is the normal baseline under current NICHD terminology, where the baseline is the mean rate rounded to the nearest 5 bpm across a 10-minute window, excluding accelerations, decelerations and segments of marked variability. Covering 120 to 170 beats per minute would treat 165 as normal when that is tachycardia. Crossing 100 to 150 beats per minute would treat 105 as normal when a sustained rate under 110 is bradycardia. Reaching 105 to 145 beats per minute is narrower than the accepted band at both ends and would label many perfectly normal tracings abnormal.

196. A nurse reviewing an electronic fetal monitor strip notes peak-to-trough fluctuations in the baseline that measure an amplitude of about 10 to 15 beats per minute. How should this variability be classified?
     • Variability charted as minimal
     • Variability noted as saltatory
     • Variability scored as moderate
     • Variability assessed as absent

     Correct answer: Variability scored as moderate

     Variability scored as moderate is correct: moderate variability is a peak-to-trough amplitude range of 6 to 25 beats per minute, so a swing of about 10 to 15 sits squarely inside it. Moderate variability is the single most reliable sign of adequate fetal oxygenation and normal acid-base status. Variability charted as minimal would need an amplitude of 5 beats per minute or fewer; variability assessed as absent would need an amplitude that cannot be detected at all; and variability noted as saltatory is the older name for the marked band, which exceeds 25 beats per minute.

197. A laboring patient's fetal heart rate tracing shows baseline fluctuations with an amplitude of 5 beats per minute or fewer but still detectable. Per NICHD definitions, this variability is described as:
     • Moderate variability, the middle band
     • Marked variability, the broadest band
     • Absent variability, the flattest band
     • Minimal variability, the shallow band

     Correct answer: Minimal variability, the shallow band

     Minimal variability, the shallow band, is correct: NICHD defines minimal variability as a detectable amplitude range of 5 beats per minute or fewer. Absent variability, the flattest band, requires an amplitude range that cannot be detected at all, which the stem specifically excludes. Moderate variability, the middle band, spans 6 to 25 beats per minute, and marked variability, the broadest band, exceeds 25. Minimal variability may reflect fetal sleep, medication, or developing hypoxia, so it is read in context.

198. On a fetal monitor strip, the baseline fluctuations have an amplitude range that is undetectable, appearing as a flat line apart from periodic changes. This finding is categorized as:
     • Absent variability, a straight tracing
     • Moderate variability, a steady tracing
     • Minimal variability, a blunted tracing
     • Saltatory variability, a broad tracing

     Correct answer: Absent variability, a straight tracing

     Absent variability, a straight tracing, is correct: absent variability is an amplitude range in the baseline that cannot be detected. Minimal variability, a blunted tracing, still shows a measurable swing of 5 beats per minute or fewer, so it does not describe a flat line. Moderate variability, a steady tracing, spans 6 to 25 beats per minute, and saltatory variability, a broad tracing, is the marked band above 25. Absent variability paired with recurrent late or variable decelerations or bradycardia defines a Category III tracing.

199. A fetal heart rate tracing displays baseline fluctuations with an amplitude range greater than 25 beats per minute. The nurse documents this as:
     • Moderate variability, with gentle swings
     • Marked variability, with outsized swings
     • Minimal variability, with reduced swings
     • Sinusoidal variability, with even swings

     Correct answer: Marked variability, with outsized swings

     Marked variability, with outsized swings, is correct: an amplitude range greater than 25 beats per minute defines the marked band, historically called a saltatory pattern. Moderate variability, with gentle swings, tops out at 25 beats per minute, and minimal variability, with reduced swings, is 5 beats per minute or fewer. Sinusoidal variability, with even swings, is a smooth regular undulation of 3 to 5 cycles per minute with absent short-term variability, not a wide-amplitude baseline. Marked variability is excluded when the baseline rate is determined.

200. Beat-to-beat changes in the fetal heart rate that produce the irregular peak-to-trough fluctuations seen on a strip are generated primarily by which physiologic mechanism?
     • Maternal respiration and heartbeat transmitted through the wall
     • Rhythmic contraction and relaxation of the thickened myometrium
     • Balanced sympathetic and parasympathetic drive of the pacemaker
     • Placental production of progesterone and other steroid hormones

     Correct answer: Balanced sympathetic and parasympathetic drive of the pacemaker

     Balanced sympathetic and parasympathetic drive of the pacemaker is correct: variability is produced by the moment-to-moment tug of war between the two branches of the fetal autonomic nervous system acting on the sinoatrial node. Because that regulation depends on adequate oxygenation of the brainstem and cardiac centers, moderate variability is strong evidence of normal central oxygenation and acid-base balance. Maternal respiration and heartbeat transmitted through the wall is artifact rather than a fetal signal. Rhythmic contraction and relaxation of the thickened myometrium is recorded on the tocodynamometer channel and does not create beat-to-beat change. Placental production of progesterone and other steroid hormones is an endocrine function with no beat-to-beat cardiac effect.

201. For a fetus at 34 weeks, an acceleration on the monitor is defined as an abrupt increase in heart rate above baseline that meets which threshold?
     • A jump of at least 10 beats per minute that holds for 10 seconds
     • A leap of at least 20 beats per minute that stays for 20 seconds
     • A surge of at least 25 beats per minute that runs for 25 seconds
     • A rise of at least 15 beats per minute that lasts for 15 seconds

     Correct answer: A rise of at least 15 beats per minute that lasts for 15 seconds

     A rise of at least 15 beats per minute that lasts for 15 seconds is correct: from 32 weeks onward an acceleration is defined by that threshold, and a fetus at 34 weeks is held to it. Accelerations of this size reliably indicate the absence of fetal metabolic acidemia. A jump of at least 10 beats per minute that holds for 10 seconds is the lower threshold that applies only before 32 weeks, so it is too small here. A leap of at least 20 beats per minute that stays for 20 seconds and a surge of at least 25 beats per minute that runs for 25 seconds both set the bar above the published criterion and would exclude qualifying accelerations.

202. A fetus at 29 weeks of gestation shows heart rate rises of 10 beats per minute above baseline lasting 12 seconds with movement. How should the nurse interpret these?
     • They are genuine accelerations inside the preterm definition
     • They are prolonged accelerations outside the accepted length
     • They are variable decelerations logged as weak accelerations
     • They are subthreshold accelerations at each gestational week

     Correct answer: They are genuine accelerations inside the preterm definition

     They are genuine accelerations inside the preterm definition is correct: before 32 weeks an acceleration is a rise of at least 10 beats per minute above baseline lasting at least 10 seconds, so a 10 bpm rise held for 12 seconds qualifies at 29 weeks. They are subthreshold accelerations at each gestational week is wrong because the 15-by-15 criterion applies only from 32 weeks onward. They are prolonged accelerations outside the accepted length is wrong because a prolonged acceleration lasts 2 minutes or more, not 12 seconds. They are variable decelerations logged as weak accelerations is wrong because the stem describes a rise above baseline, while a variable deceleration is an abrupt fall below it.

203. A baseline fetal heart rate of 105 beats per minute sustained over a 10-minute window is best described as:
     • Tachycardia, a rapid baseline pace
     • Bradycardia, a slow baseline trend
     • Dysrhythmia, an odd baseline pulse
     • Deceleration, a long baseline drop

     Correct answer: Bradycardia, a slow baseline trend

     Bradycardia, a slow baseline trend, is correct: a baseline below 110 beats per minute held for at least 10 minutes is fetal bradycardia, and 105 bpm meets that definition. Tachycardia, a rapid baseline pace, requires a baseline above 160 beats per minute, the opposite direction. Deceleration, a long baseline drop, describes a transient fall of at least 15 beats per minute lasting 2 to 10 minutes; once the change has persisted 10 minutes it is a new baseline rather than a deceleration. Dysrhythmia, an odd baseline pulse, implies irregular conduction such as complete heart block, and the stem describes a rate that is steady rather than irregular. Causes of true bradycardia include heart block, hypoxia, and maternal hypothermia.

204. A baseline fetal heart rate of 170 beats per minute persisting for more than 10 minutes is documented. The most common identifiable cause of this finding is:
     • Maternal dehydration from protracted labor
     • Fetal anemia from maternal isoimmunization
     • Maternal fever from intrauterine infection
     • Maternal effects from tocolytic medication

     Correct answer: Maternal fever from intrauterine infection

     Maternal fever from intrauterine infection is correct: fetal tachycardia is a baseline above 160 beats per minute for at least 10 minutes, and maternal or intrauterine infection with fever is its most common identifiable cause. Maternal dehydration from protracted labor does raise the fetal baseline but far less often than infection does. Maternal effects from tocolytic medication, such as beta-sympathomimetic drugs, are a recognized contributor yet a much less frequent one. Fetal anemia from maternal isoimmunization characteristically produces a sinusoidal pattern rather than a simple sustained rise in baseline.

205. A fetal heart rate tracing demonstrates a normal baseline, moderate variability, no decelerations, and accelerations present. Using the NICHD three-tier system, this tracing is classified as:
     • The middle category, the vague tier
     • The third category, the deadly tier
     • The reactive category, the odd tier
     • The initial category, the calm tier

     Correct answer: The initial category, the calm tier

     The initial category, the calm tier, is correct: a Category I tracing needs a baseline of 110 to 160 beats per minute, moderate variability, and no late or variable decelerations, with accelerations either present or absent and early decelerations permitted. It strongly predicts normal fetal acid-base balance at the moment observed. The middle category, the vague tier, is the indeterminate group, and a fully reassuring strip like this one does not belong there. The third category, the deadly tier, needs absent variability with recurrent decelerations or bradycardia, or a sinusoidal pattern. The reactive category, the odd tier, borrows nonstress test wording, which is not part of the three-tier tracing scheme.

206. Which description correctly characterizes a Category II fetal heart rate tracing in the NICHD system?
     • Indeterminate, covering strips that escape two outer tiers
     • Reassuring, marking strips that need nothing beyond review
     • Sinusoidal, meaning strips that carry one undulating shape
     • Abnormal, flagging strips that foretell acidemia each time

     Correct answer: Indeterminate, covering strips that escape two outer tiers

     Indeterminate, covering strips that escape two outer tiers, is correct: Category II is the indeterminate group and takes in every tracing that does not meet the strict criteria for Category I or Category III. Reassuring, marking strips that need nothing beyond review, is wrong because Category II demands evaluation, continued surveillance, and often intrauterine resuscitation. Sinusoidal, meaning strips that carry one undulating shape, is wrong because a sustained sinusoidal pattern is a Category III criterion, not the definition of Category II. Abnormal, flagging strips that foretell acidemia each time, is wrong because Category II tracings are not by themselves predictive of abnormal acid-base status.

207. A Category III fetal heart rate tracing is defined by absent baseline variability accompanied by which additional finding?
     • Repeated early or mirrored decelerations, or tachycardia
     • Recurrent late or variable decelerations, or bradycardia
     • Frequent brief or single decelerations, or accelerations
     • Uniform gradual or blunted decelerations, or variability

     Correct answer: Recurrent late or variable decelerations, or bradycardia

     Recurrent late or variable decelerations, or bradycardia, is correct: Category III is absent baseline variability paired with one of those three findings, and separately a sinusoidal pattern. Repeated early or mirrored decelerations, or tachycardia, does not qualify, because early decelerations are benign head-compression events and tachycardia is not one of the listed companions. Frequent brief or single decelerations, or accelerations, points the opposite way, since accelerations argue against acidemia. Uniform gradual or blunted decelerations, or variability, fails because any measurable variability contradicts the absent variability the definition depends on. Category III demands prompt intrauterine resuscitation and preparation for expedited birth if it does not resolve.

208. The NICHD three-tier classification system organizes fetal heart rate tracings into how many categories, and on what primary basis?
     • 2 categories graded by the observed baseline rate alone
     • 5 categories graded by the outline of each deceleration
     • 3 categories graded by the predicted chance of acidemia
     • 4 categories graded by the width of visible variability

     Correct answer: 3 categories graded by the predicted chance of acidemia

     3 categories graded by the predicted chance of acidemia is correct: the NICHD system sorts tracings into three tiers that reflect the predicted likelihood of fetal acid-base disturbance at the moment of observation, with the first tier normal, the second indeterminate, and the third abnormal. 2 categories graded by the observed baseline rate alone is wrong on both counts, because the system has more than two tiers and baseline rate is only one of several criteria. 5 categories graded by the outline of each deceleration and 4 categories graded by the width of visible variability each invent extra tiers and shrink the system to a single feature. The scheme exists so clinicians describe strips in one shared language.

209. A patient's strip shows a regular, smooth, undulating wave-like pattern with a frequency of 3 to 5 cycles per minute, an amplitude of about 10 beats per minute, and absent beat-to-beat variability. This is recognized as:
     • A saltatory fetal heart rhythm
     • A moderate fetal heart cadence
     • A notched fetal heart baseline
     • A sinusoidal fetal heart curve

     Correct answer: A sinusoidal fetal heart curve

     A sinusoidal fetal heart curve is correct: a sinusoidal pattern is a smooth, regular, sine-wave undulation of 3 to 5 cycles per minute with absent short-term variability, exactly what the strip shows. A saltatory fetal heart rhythm names the marked band, an irregular amplitude above 25 beats per minute rather than a smooth cyclic wave. A moderate fetal heart cadence would mean an irregular 6 to 25 beat swing, which contradicts the absent variability described. A notched fetal heart baseline suggests an irregular conduction disturbance instead of a regular undulation. A sustained sinusoidal pattern is a Category III finding classically tied to severe fetal anemia.

210. A persistent sinusoidal fetal heart rate pattern most strongly suggests which underlying fetal condition requiring urgent workup?
     • Profound fetal anemia
     • Untroubled fetal rest
     • Routine fetal hiccups
     • Recent fetal sedation

     Correct answer: Profound fetal anemia

     Profound fetal anemia is correct: a persistent sinusoidal pattern points most strongly to severe fetal anemia from fetomaternal hemorrhage, alloimmunization, or bleeding vasa previa, and it warrants middle cerebral artery Doppler and consideration of expedited birth. Recent fetal sedation from maternal opioids can mimic the shape, but that pseudosinusoidal look is transient rather than persistent. Untroubled fetal rest gives a quiet tracing with preserved variability, not an undulating one with absent variability. Routine fetal hiccups create brief spiking artifact rather than a sustained sine wave.

211. During labor, the fetal heart rate shows gradual decreases that mirror the contractions, with the nadir of each deceleration coinciding with the peak of the contraction. These decelerations are caused by:
     • Fetal cord constriction
     • Fetal skull compression
     • Fetal hemolytic disease
     • Fetal oxygen starvation

     Correct answer: Fetal skull compression

     Fetal skull compression is correct: early decelerations are gradual, symmetrical decreases that mirror the contraction with their nadir at its peak, and they arise from head compression triggering a vagal reflex that slows the heart. They are benign and do not signal compromise. Fetal cord constriction causes variable decelerations, which are abrupt and vary in their timing rather than mirroring the contraction. Fetal oxygen starvation from uteroplacental insufficiency causes late decelerations, whose nadir follows the contraction peak. Fetal hemolytic disease produces a sinusoidal pattern rather than repeating mirror-image dips.

212. A nurse uses the VEAL CHOP mnemonic to interpret a strip. In this memory aid, what do the paired letters V and C represent?
     • Variable decelerations from cranial pressure
     • Variable decelerations from marrow breakdown
     • Variable decelerations from cord compression
     • Variable decelerations from placental strain

     Correct answer: Variable decelerations from cord compression

     Variable decelerations from cord compression is correct: in the VEAL CHOP aid the V pairs with the C, so Variable decelerations are matched with Cord compression. The rest of the aid runs Early with Head compression, Accelerations with Okay, and Late with Placental insufficiency. Variable decelerations from cranial pressure misassigns the head-compression line to V. Variable decelerations from placental strain misassigns the late-deceleration line to V. Variable decelerations from marrow breakdown describes fetal anemia, which the mnemonic does not cover at all.

213. The key feature that distinguishes a late deceleration from an early deceleration on a fetal monitor strip is:
     • The steepness of the deceleration beneath the baseline
     • The smoothed outline traced by each deceleration curve
     • The settled rate noted between each deceleration event
     • The moment of the deceleration against the contraction

     Correct answer: The moment of the deceleration against the contraction

     The moment of the deceleration against the contraction is correct: timing is what separates the two patterns. An early deceleration has its nadir at the contraction peak and reflects head compression, whereas a late deceleration begins after the contraction starts and reaches its nadir after the peak, reflecting uteroplacental insufficiency. The steepness of the deceleration beneath the baseline does not separate them, since either type can be shallow or deep. The smoothed outline traced by each deceleration curve is common to both, because both are gradual in shape. The settled rate noted between each deceleration event is the baseline, which can be identical in either pattern.

214. Recurrent late decelerations on a fetal heart rate tracing are most directly attributable to:
     • Placental insufficiency lowering fetal oxygen delivery
     • Intermittent constriction squeezing fetal cord vessels
     • Overabundant amniotic volume limiting fetal excursions
     • Precipitous descent compressing fetal occipital plates

     Correct answer: Placental insufficiency lowering fetal oxygen delivery

     Placental insufficiency lowering fetal oxygen delivery is correct: late decelerations occur when the contraction transiently reduces oxygen transfer across the placenta, producing a delayed fall in fetal heart rate. Contributing conditions include maternal hypotension, uterine tachysystole, preeclampsia, and placental abruption. Intermittent constriction squeezing fetal cord vessels produces variable decelerations, which are abrupt rather than delayed. Precipitous descent compressing fetal occipital plates produces early decelerations that mirror the contraction. Overabundant amniotic volume limiting fetal excursions is not a deceleration mechanism at all, since it is reduced fluid rather than excess that predisposes to cord compression.

215. Abrupt decreases in the fetal heart rate that vary in depth, duration, and timing relative to contractions, often with a rapid onset and recovery, are caused by:
     • Sustained cranial pressure
     • Umbilical cord compression
     • Impaired uterine perfusion
     • Prolonged maternal pyrexia

     Correct answer: Umbilical cord compression

     Umbilical cord compression is correct: variable decelerations are abrupt drops, defined by an onset-to-nadir interval under 30 seconds, that vary in depth, duration, and relationship to contractions, and they arise from cord compression, often with oligohydramnios or a nuchal cord. Sustained cranial pressure causes early decelerations, which are gradual and mirror the contraction. Impaired uterine perfusion causes late decelerations, which are also gradual and lag behind the contraction peak. Prolonged maternal pyrexia raises the baseline into tachycardia rather than causing abrupt periodic drops.

216. A late deceleration is formally defined by NICHD criteria as a gradual decrease in fetal heart rate in which the time from onset to nadir is:
     • Fifteen timed seconds or briefer
     • Sixty straight seconds or beyond
     • Thirty elapsed seconds or longer
     • Ten sustained seconds or shorter

     Correct answer: Thirty elapsed seconds or longer

     Thirty elapsed seconds or longer is correct: NICHD defines a late deceleration as a gradual decrease whose onset-to-nadir interval is 30 seconds or more, occurring with a contraction and reaching its nadir after the contraction peak. Ten sustained seconds or shorter and fifteen timed seconds or briefer both describe abrupt drops, and an onset-to-nadir interval under 30 seconds is precisely what defines a variable deceleration instead. Sixty straight seconds or beyond sets the bar at twice the published interval and would wrongly exclude many true late decelerations.

217. A transient fetal heart rate deceleration of at least 15 beats per minute below baseline that lasts 3 minutes is best classified as:
     • A recognizable early deceleration
     • A recurrent variable deceleration
     • A deceleration turned bradycardia
     • A solitary prolonged deceleration

     Correct answer: A solitary prolonged deceleration

     A solitary prolonged deceleration is correct: a prolonged deceleration is a fall of at least 15 beats per minute below baseline lasting at least 2 minutes but less than 10 minutes, and a 3-minute event fits that window. A deceleration turned bradycardia would need the change to persist 10 minutes or longer, at which point it is reclassified as a new baseline. A recognizable early deceleration is gradual, mirrors the contraction, and is far shorter than 3 minutes. A recurrent variable deceleration is abrupt and normally lasts seconds rather than minutes. Prolonged decelerations prompt immediate intrauterine resuscitation.

218. A prolonged deceleration is occurring. After repositioning the patient, which set of interventions best reflects standard intrauterine resuscitation?
     • Stop the oxytocin, deliver an IV bolus, and consider one tocolytic
     • Raise the oxytocin, trim the IV rate, and require stronger efforts
     • Keep the oxytocin, add an IV antipyretic, and reassure the patient
     • Titrate the oxytocin, restrict the IV fluids, and place her supine

     Correct answer: Stop the oxytocin, deliver an IV bolus, and consider one tocolytic

     Stop the oxytocin, deliver an IV bolus, and consider one tocolytic is correct: intrauterine resuscitation aims to restore fetal oxygenation, so after repositioning the nurse discontinues the uterotonic, gives an intravenous fluid bolus to correct hypotension, and weighs a tocolytic when tachysystole is driving the deceleration. Supplemental oxygen may be added selectively. Raise the oxytocin, trim the IV rate, and require stronger efforts does the opposite on every count and would deepen the deceleration. Keep the oxytocin, add an IV antipyretic, and reassure the patient treats a fever the stem never describes while leaving the uterotonic running. Titrate the oxytocin, restrict the IV fluids, and place her supine withholds volume and restores aortocaval compression.

219. A nonstress test performed at 38 weeks shows two accelerations of at least 15 beats per minute above baseline lasting at least 15 seconds within a 20-minute period. This result is interpreted as:
     • Nonreactive, a flat summary
     • Reactive, a settled outcome
     • Positive, a grave prognosis
     • Equivocal, a cloudy verdict

     Correct answer: Reactive, a settled outcome

     Reactive, a settled outcome is correct: a reactive nonstress test needs at least two accelerations of 15 beats per minute or more above baseline, each lasting at least 15 seconds, within a 20-minute window in a fetus at or beyond 32 weeks, which is exactly what is described. A reactive result indicates fetal well-being and a low risk of acidemia. Nonreactive, a flat summary would apply only if those qualifying accelerations were absent. Positive, a grave prognosis and equivocal, a cloudy verdict both borrow contraction stress test vocabulary, which does not describe a nonstress test at all.

220. A nonstress test shows no qualifying accelerations over 40 minutes despite vibroacoustic stimulation. This nonreactive result should prompt:
     • Discharge tomorrow or a scheduled follow-up test
     • Immediate cesarean delivery or no antenatal test
     • A biophysical profile or contraction stress test
     • Verbal reassurance or no repeated inpatient test

     Correct answer: A biophysical profile or contraction stress test

     A biophysical profile or contraction stress test is correct: a nonreactive nonstress test is not itself diagnostic of compromise, because fetal sleep cycles commonly produce one, so the appropriate next step is confirmatory testing. Discharge tomorrow or a scheduled follow-up test leaves an unexplained result unresolved overnight. Immediate cesarean delivery or no antenatal test proceeds to surgery on evidence that has not been confirmed. Verbal reassurance or no repeated inpatient test abandons follow-up entirely after a result that specifically calls for it.

221. A contraction stress test shows late decelerations following more than 50 percent of contractions. This result is interpreted as:
     • Unsatisfactory, the poor scan
     • Negative, the calm conclusion
     • Equivocal, the unsure verdict
     • Positive, the adverse outcome

     Correct answer: Positive, the adverse outcome

     Positive, the adverse outcome is correct: a positive contraction stress test is defined by late decelerations following 50 percent or more of contractions, even if fewer than three contractions occur in 10 minutes, and it suggests uteroplacental insufficiency and possible fetal compromise. Negative, the calm conclusion would require adequate contractions with no late or significant variable decelerations. Equivocal, the unsure verdict is reserved for decelerations that are intermittent or that appear alongside excessive contraction frequency. Unsatisfactory, the poor scan applies when fewer than three contractions occur in 10 minutes or the tracing cannot be interpreted.

222. A contraction stress test demonstrates three contractions in 10 minutes with no late or significant variable decelerations. This finding is documented as:
     • Negative, a calm prognosis
     • Positive, a bleak forecast
     • Unsatisfactory, a bad scan
     • Equivocal, a murky verdict

     Correct answer: Negative, a calm prognosis

     Negative, a calm prognosis is correct: a negative contraction stress test shows adequate contractions, at least three in 10 minutes, with no late or significant variable decelerations, which indicates reassuring uteroplacental function. Positive, a bleak forecast would require late decelerations after half or more of the contractions. Equivocal, a murky verdict covers intermittent late decelerations or significant variable decelerations. Unsatisfactory, a bad scan applies when fewer than three contractions occur in 10 minutes or the tracing is uninterpretable, and the stem describes an adequate, readable study.

223. During a contraction stress test, late decelerations appear in the presence of contractions occurring more frequently than every 2 minutes. How is this result classified?
     • Negative, the untroubled impression
     • Equivocal, the hyperstimulated scan
     • Positive, the unfavorable prognosis
     • Reactive, the unrelated terminology

     Correct answer: Equivocal, the hyperstimulated scan

     Equivocal, the hyperstimulated scan is correct: when decelerations appear while contractions come more often than every 2 minutes or last longer than 90 seconds, the decelerations may be an artifact of tachysystole rather than true uteroplacental insufficiency, so the study cannot be called positive and is typically repeated. Positive, the unfavorable prognosis would require late decelerations with an adequate rather than excessive contraction pattern. Negative, the untroubled impression would require no late decelerations. Reactive, the unrelated terminology belongs to the nonstress test and is not a contraction stress test category.

224. A biophysical profile evaluates five components. Which combination correctly lists the four ultrasound parameters added to the nonstress test?
     • Heart tracing, fetal weight, cervical length, and placental grade
     • Cord coiling, artery speed, chorionic maturity, and infant gender
     • Breathing motion, body movement, muscle tone, and amniotic volume
     • Bladder filling, kidney output, limb position, and uterine vessel

     Correct answer: Breathing motion, body movement, muscle tone, and amniotic volume

     Breathing motion, body movement, muscle tone, and amniotic volume is correct: the biophysical profile adds exactly these four ultrasound parameters to the nonstress test, namely fetal breathing movements, gross body movement, fetal tone, and amniotic fluid volume. Each of the five components scores 0 or 2, for a maximum of 10. Heart tracing, fetal weight, cervical length, and placental grade mixes growth and cervical measures that earn no profile points. Cord coiling, artery speed, chorionic maturity, and infant gender lists observations that are not scored at all. Bladder filling, kidney output, limb position, and uterine vessel names renal and Doppler findings that belong to other assessments.

225. A biophysical profile score of 8 out of 10 with normal amniotic fluid volume is interpreted as:
     • Abnormal, calling for immediate delivery
     • Equivocal, calling for repeated scanning
     • Indeterminate, calling for rapid surgery
     • Reassuring, calling for routine followup

     Correct answer: Reassuring, calling for routine followup

     Reassuring, calling for routine followup is correct: a biophysical profile of 8 out of 10 with adequate amniotic fluid, like a score of 10 out of 10, carries a low risk of fetal asphyxia and does not change management. Equivocal, calling for repeated scanning describes a score of 6, which is usually repeated within a short interval. Abnormal, calling for immediate delivery describes a score of 4 or less. Indeterminate, calling for rapid surgery invents a category and jumps to operative birth on a reassuring score. Oligohydramnios would lower the reassurance whatever the other components showed.

226. In the biophysical profile, a normal (2-point) score for amniotic fluid volume is generally credited when there is at least:
     • A single deepest vertical pocket of two centimeters
     • A combined amniotic fluid pocket index above twenty
     • A narrow shallow upright pocket of five millimeters
     • A collapsed uterine cavity without a visible pocket

     Correct answer: A single deepest vertical pocket of two centimeters

     A single deepest vertical pocket of two centimeters is correct: the fluid component earns its 2 points when at least one vertical pocket measures 2 centimeters or more in depth with adequate width. A narrow shallow upright pocket of five millimeters is only half a centimeter deep and would score zero. A collapsed uterine cavity without a visible pocket is severe oligohydramnios, the opposite of a scoring result, and suggests chronic uteroplacental insufficiency. A combined amniotic fluid pocket index above twenty is a four-quadrant sum rather than the single deepest pocket the profile scores, and that much fluid points toward polyhydramnios.

227. During the second stage of labor with a Category II tracing, the clinician applies digital pressure to the fetal scalp and observes an acceleration of the fetal heart rate. This response indicates:
     • A fetal collapse into severe acidosis now
     • A fetal state safely outside acidemia now
     • A fetal monitor fault instead of response
     • A fetal channel locked on maternal rhythm

     Correct answer: A fetal state safely outside acidemia now

     A fetal state safely outside acidemia now is correct: scalp stimulation that produces an acceleration of at least 15 beats per minute for at least 15 seconds reliably predicts a fetal scalp pH above 7.20, which effectively excludes significant acidemia at that moment and spares the fetus a scalp blood sample. A fetal collapse into severe acidosis now is the opposite conclusion, because an acidemic fetus does not accelerate in response to stimulation. A fetal monitor fault instead of response is wrong because the acceleration is a genuine physiologic reply to a deliberate stimulus. A fetal channel locked on maternal rhythm would not produce a rise timed to scalp pressure.

228. A fetal scalp blood sample is obtained during labor. Which pH value is considered normal and consistent with the absence of acidemia?
     • A measured value at 7.05 or greater
     • A repeated value at 7.10 or greater
     • A verified value at 7.25 or greater
     • A recorded value at 7.18 or greater

     Correct answer: A verified value at 7.25 or greater

     A verified value at 7.25 or greater is correct: a fetal scalp blood pH above 7.25 is normal and indicates the absence of significant acidemia, supporting continued monitoring. A recorded value at 7.18 or greater sets the cut point inside the acidemic band, since a pH below 7.21 already indicates acidemia. A repeated value at 7.10 or greater and a measured value at 7.05 or greater set it lower still, and both would call frankly acidemic samples normal. Values between 7.21 and 7.25 are preacidemic and prompt repeat sampling rather than reassurance.

229. Significant fetal metabolic acidemia at birth is most consistently defined by an umbilical artery pH below 7.0 together with:
     • A lactate measure of two mmol per liter
     • A bicarb surplus of four mmol per liter
     • A buffer shortage of one mmol per liter
     • A base deficit of twelve mmol per liter

     Correct answer: A base deficit of twelve mmol per liter

     A base deficit of twelve mmol per liter is correct: significant cord metabolic acidemia is defined by an umbilical artery pH below 7.0 together with a base deficit of at least that size, and the combination carries an increased risk of neonatal encephalopathy. A buffer shortage of one mmol per liter sits inside the ordinary range and describes no metabolic component, so it would fit a transient respiratory acidemia instead. A lactate measure of two mmol per liter is likewise unremarkable and argues against accumulated fixed acid. A bicarb surplus of four mmol per liter points the wrong way, because metabolic acidemia consumes buffer rather than adding to it.

230. Amnioinfusion during labor is most appropriately used to relieve which fetal heart rate pattern?
     • Recurrent variable decelerations from cord compression
     • Predictable gradual declines from placental exhaustion
     • Continuous accelerated rhythms from maternal infection
     • Repetitive sinusoidal undulation from fetal hemorrhage

     Correct answer: Recurrent variable decelerations from cord compression

     Recurrent variable decelerations from cord compression is correct: amnioinfusion instills warmed normal saline into the uterine cavity, restoring a fluid cushion around the cord and relieving the compression that drives repeated variable decelerations, most often in the setting of oligohydramnios. Predictable gradual declines from placental exhaustion describes late decelerations, which amnioinfusion does not correct because the fault is placental exchange rather than mechanical squeezing. Continuous accelerated rhythms from maternal infection are managed by cooling the mother and treating the infection. Repetitive sinusoidal undulation from fetal hemorrhage calls for urgent assessment of fetal anemia, not fluid instillation.

231. Which statement about amnioinfusion is accurate regarding its established clinical role?
     • It increases umbilical entrapment hazards from extended labor
     • It eases repetitive variable decelerations from cord pressure
     • It provides the earliest respite from placental insufficiency
     • It chiefly addresses raised rhythms from constant tachycardia

     Correct answer: It eases repetitive variable decelerations from cord pressure

     It eases repetitive variable decelerations from cord pressure is correct: amnioinfusion is an evidence-supported intervention for repetitive variable decelerations caused by cord compression, because replenishing amniotic fluid reduces the number of compression episodes. It increases umbilical entrapment hazards from extended labor reverses the effect, since the added fluid cushions the cord rather than trapping it. It provides the earliest respite from placental insufficiency is wrong because late decelerations reflect impaired placental exchange, which extra fluid cannot repair. It chiefly addresses raised rhythms from constant tachycardia is wrong because tachycardia is managed by treating its cause, such as fever or dehydration.

232. A laboring patient is in the supine position when the fetal heart rate develops a prolonged deceleration. The most likely mechanism and best first action are:
     • Cranial pressure sparking vagal reflex; press her into heavier pushing
     • Fetal anemia needing urgent transfusion; ready the blood packs quickly
     • Aortocaval squeeze lowering placental output; roll her toward one side
     • Cord prolapse strangling oxygen supply; advance the oxytocin rate soon

     Correct answer: Aortocaval squeeze lowering placental output; roll her toward one side

     Aortocaval squeeze lowering placental output; roll her toward one side is correct: in the supine position the gravid uterus compresses the inferior vena cava and the aorta, cutting maternal venous return and uteroplacental perfusion and producing a prolonged deceleration, so lateral repositioning is the first intrauterine resuscitation step and often restores the baseline promptly. Cranial pressure sparking vagal reflex; press her into heavier pushing describes early decelerations and the paired action would deepen the problem. Fetal anemia needing urgent transfusion; ready the blood packs quickly does not explain a deceleration that appeared with a change of maternal position. Cord prolapse strangling oxygen supply; advance the oxytocin rate soon names a possible mechanism but pairs it with an action that worsens every deceleration.

233. A fetal heart rate tracing shows a normal baseline of 140, moderate variability, and recurrent variable decelerations occurring with more than half of contractions over 20 minutes. This tracing is best categorized as:
     • The first category, the untroubled tracing
     • The sinusoidal category, the grave tracing
     • The highest category, the dreadful tracing
     • The second category, the uncertain tracing

     Correct answer: The second category, the uncertain tracing

     The second category, the uncertain tracing is correct: recurrent variable decelerations with an otherwise normal baseline and moderate variability place this strip in Category II, the indeterminate group. The preserved moderate variability argues against acidemia, but the recurrent decelerations still call for continued evaluation and intrauterine resuscitation. The first category, the untroubled tracing is excluded because Category I permits no recurrent variable decelerations. The highest category, the dreadful tracing would require absent variability, which this strip does not show. The sinusoidal category, the grave tracing describes a smooth undulating wave with absent variability, again not what is described.

234. Decelerations are formally documented as recurrent when they occur with what proportion of uterine contractions during a 20-minute segment?
     • At least 50 percent, a bare majority, of contractions
     • At least 25 percent, a narrow sliver, of contractions
     • At least 75 percent, a large portion, of contractions
     • At least 95 percent, a dominant part, of contractions

     Correct answer: At least 50 percent, a bare majority, of contractions

     At least 50 percent, a bare majority, of contractions is correct: by NICHD definition decelerations are recurrent when they accompany 50 percent or more of uterine contractions within any 20-minute window, and anything below that threshold is documented as intermittent. At least 25 percent, a narrow sliver, of contractions sets the bar too low and would label intermittent decelerations as recurrent. At least 75 percent, a large portion, of contractions and at least 95 percent, a dominant part, of contractions both set it too high and would leave genuinely recurrent patterns undocumented. The distinction matters because recurrent late or variable decelerations carry far greater concern than occasional ones.

235. A fetus near term shows a baseline of 145 with moderate variability and recurrent late decelerations. Compared with a fetus showing recurrent late decelerations and absent variability, the preserved moderate variability primarily indicates:
     • Profound acidemia has already worsened at this instant
     • Operative birth has become imperative at this juncture
     • Monitor artifact has generated deception at this point
     • Central oxygenation has remained intact at this moment

     Correct answer: Central oxygenation has remained intact at this moment

     Moderate variability signals an intact fetal autonomic pathway, so central oxygenation has remained intact at this moment even while late decelerations keep recurring. Profound acidemia has not already worsened at this instant, because acidemia deep enough to matter travels with absent variability, the pattern that defines the abnormal category. Operative birth has not become imperative at this juncture, since intrauterine resuscitation is attempted first and frequently resolves recurrent late decelerations. Monitor artifact has not generated deception at this point either, because artifact does not repeat in a fixed relationship to every contraction.

236. When external Doppler monitoring intermittently doubles a low fetal heart rate or appears to track the maternal pulse, the nurse should first:
     • Check this displayed waveform for the fetus itself
     • Inject this tocolytic dosage for the uterine walls
     • Record this proven bradycardia for the labor chart
     • Increase this paper speed for the widened printout

     Correct answer: Check this displayed waveform for the fetus itself

     External Doppler can lock onto the maternal signal or halve and double a rate, so the nurse must first check this displayed waveform for the fetus itself, palpating the maternal pulse against the tracing and applying a fetal scalp electrode when doubt persists. Inject this tocolytic dosage for the uterine walls treats a uterine problem that has never been established and can itself drop maternal blood pressure. Record this proven bradycardia for the labor chart commits an unverified rate to the record and invites a delivery that may be unwarranted. Increase this paper speed for the widened printout merely stretches the same suspect signal; it cannot reveal whose heart produced it.

237. A fetal heart rate tracing shows accelerations present, moderate variability, and occasional early decelerations only. Using the NICHD system, this tracing is classified as:
     • Category two, the equivocal waveform
     • Category one, the reassuring picture
     • Category three, the abnormal tracing
     • Category four, the uncertain display

     Correct answer: Category one, the reassuring picture

     Accelerations, moderate variability, and early decelerations alone satisfy every NICHD criterion for Category one, the reassuring picture, because early decelerations reflect benign head compression and never downgrade a strip. Category two, the equivocal waveform, is reserved for strips that are neither reassuring nor clearly abnormal, such as those with minimal variability or absent accelerations. Category three, the abnormal tracing, demands absent variability paired with recurrent late or variable decelerations, a sinusoidal shape, or bradycardia, none of which appears here. Category four, the uncertain display, does not exist; the NICHD framework recognizes only three categories.

238. The first stage of labor is divided into a latent phase and an active phase. According to the 2024 ACOG First and Second Stage Labor Management guideline, the active phase of the first stage is now considered to begin at what cervical dilation?
     • Four centimeters on the cervical record
     • Five centimeters on the cervical figure
     • Six centimeters on the cervical measure
     • Seven centimeters on the cervical check

     Correct answer: Six centimeters on the cervical measure

     ACOG places the start of the active phase at six centimeters on the cervical measure, adopting Consortium on Safe Labor data showing that dilation frequently does not accelerate before that point. Four centimeters on the cervical record is the superseded Friedman threshold, which diagnosed arrest too early and drove avoidable cesarean births. Five centimeters on the cervical figure still sits inside the latent phase for many patients, so it cannot mark the transition. Seven centimeters on the cervical check falls beyond the accepted boundary and would delay recognition of an arrest disorder.

239. A nurse is teaching a new graduate about the stages of labor. The interval from full cervical dilation (10 cm) to the birth of the infant is correctly identified as which stage?
     • Stage one within a typical labor timetable
     • Stage three within a modern labor schedule
     • Stage four within a regular labor timeline
     • Stage two within a clinical labor sequence

     Correct answer: Stage two within a clinical labor sequence

     The interval that opens at complete cervical dilation and closes with the birth of the infant is stage two within a clinical labor sequence. Stage one within a typical labor timetable runs from the onset of regular contractions to complete dilation, so it ends exactly where the described interval begins. Stage three within a modern labor schedule spans the birth of the infant to the delivery of the placenta, which is after the infant is out. Stage four within a regular labor timeline is the immediate recovery hour or two following placental delivery, later still.

240. During the third stage of labor, which of the following is a classic sign that the placenta has separated from the uterine wall and is ready to be delivered?
     • A blood gush, with the cord visibly longer
     • A soft fundus, with the cord tightly fixed
     • A bleed arrest, with the cord wholly slack
     • A tense belly, with the cord pulled upward

     Correct answer: A blood gush, with the cord visibly longer

     Separation announces itself as a blood gush, with the cord visibly longer at the introitus as the placenta drops into the lower segment; the fundus simultaneously rises and turns firm and globular. A soft fundus, with the cord tightly fixed, is the opposite picture and points to atony with an adherent placenta. A bleed arrest, with the cord wholly slack, is not expected either, since a modest loss accompanies separation and total cessation suggests nothing has detached. A tense belly, with the cord pulled upward, describes cord retraction, which means the placenta is still anchored to the uterine wall.

241. A nurse performs Leopold maneuvers on a term patient. The purpose of the FIRST Leopold maneuver, palpating the uterine fundus, is to determine which of the following?
     • The fetal chin tucked in the chest
     • The fetal pole settled in the dome
     • The fetal part fixed in the pelvis
     • The fetal back turned in the flank

     Correct answer: The fetal pole settled in the dome

     The first maneuver palpates the fundus, so what it establishes is the fetal pole settled in the dome of the uterus: soft, broad and irregular for the breech, firm, round and ballottable for the head. The fetal chin tucked in the chest is attitude, which the fourth maneuver assesses as it follows the cephalic prominence. The fetal part fixed in the pelvis is engagement, judged by the third (Pawlik) grasp and confirmed by the fourth maneuver. The fetal back turned in the flank is located by the second maneuver, which palpates the lateral uterine walls rather than the fundus.

242. While performing Leopold maneuvers, the nurse palpates a firm, round, ballottable mass at the fundus and a smooth, broad surface on the maternal left side. These findings are most consistent with which fetal position?
     • Cephalic, the spine left and the hands right
     • Occiput, the dorsum right and the heels left
     • Breech, the back left and the forearms right
     • Transverse, the head left and the feet right

     Correct answer: Breech, the back left and the forearms right

     A firm, round, ballottable mass in the fundus puts the head at the top and the buttocks over the inlet, and the smooth broad surface on the maternal left puts the spine there, which together read as breech, the back left and the forearms right. Cephalic, the spine left and the hands right, would require a soft, broad, irregular breech in the fundus, not a ballottable head. Occiput, the dorsum right and the heels left, contradicts the palpated surface, which lay on the left rather than the right. Transverse, the head left and the feet right, is excluded because a fetal pole was felt in the fundus, so the axis is longitudinal.

243. Precipitous labor is defined as labor and birth that are completed in a notably short period. Which of the following best describes the accepted definition of precipitous labor?
     • Birth within eight hours of cervical examination
     • Birth within seven hours of artificial induction
     • Birth within two hours of preliminary assessment
     • Birth within three hours of regular contractions

     Correct answer: Birth within three hours of regular contractions

     Precipitous labor is defined as birth within three hours of regular contractions starting, and it carries risks of perineal and cervical laceration, atonic hemorrhage, and fetal hypoxia or trauma from the rapid descent. Birth within eight hours of cervical examination is far too long to qualify and anchors the clock to an examination rather than to contraction onset. Birth within seven hours of artificial induction describes a brisk induction, not the standard definition, which applies however labor began. Birth within two hours of preliminary assessment uses both the wrong starting point and the wrong interval, since the clock runs from the onset of regular contractions.

244. A multiparous patient arrives in triage stating her contractions began 90 minutes ago and are now constant. Examination reveals 10 cm dilation with the fetal head crowning. Recognizing precipitous birth, the nurse's MOST appropriate action is to:
     • Stay with the woman, call the team, and brace the perineum
     • Push with the palm, hurry the descent, and speed the labor
     • Dash with the gurney, shift the bed, and clear the doorway
     • Press with the hands, cross the ankles, and halt the birth

     Correct answer: Stay with the woman, call the team, and brace the perineum

     With the head already crowning there is no time to move anyone, so the nurse should stay with the woman, call the team, and brace the perineum, controlling the emerging head so it does not expel abruptly and tear the tissue. Push with the palm, hurry the descent, and speed the labor is contraindicated during crowning, since fundal pressure adds laceration, inversion and fetal injury risk. Dash with the gurney, shift the bed, and clear the doorway leaves a crowning woman unattended for a transfer that cannot be completed in time. Press with the hands, cross the ankles, and halt the birth is unsafe, because holding a crowning head back injures the perineum and the fetus.

245. The McRoberts maneuver is the recommended first-line intervention for shoulder dystocia. This maneuver involves which of the following actions?
     • Half internal rotation of the trapped shoulder
     • Sharp abdominal flexion of the maternal thighs
     • Forced upward replacement of the crowned skull
     • Continuous downward traction of the fetal head

     Correct answer: Sharp abdominal flexion of the maternal thighs

     McRoberts is sharp abdominal flexion of the maternal thighs onto the belly, which rotates the symphysis cephalad and flattens the sacral promontory so the impacted anterior shoulder slips free. Half internal rotation of the trapped shoulder is the Woods corkscrew, an internal maneuver used only after external steps fail. Forced upward replacement of the crowned skull is the Zavanelli maneuver, a last resort preceding cesarean rather than a first-line action. Continuous downward traction of the fetal head is specifically avoided, because it stretches the brachial plexus and produces the injury the maneuvers exist to prevent.

246. When shoulder dystocia is encountered and McRoberts positioning alone is unsuccessful, the assistant is typically directed to apply suprapubic pressure. Suprapubic pressure is correctly applied in which direction?
     • Rearward and inward over the sacral hollow
     • Straight and firmly over the uterine crest
     • Downward and obliquely over the pubic bone
     • Upward and headward over the maternal ribs

     Correct answer: Downward and obliquely over the pubic bone

     Suprapubic pressure is directed downward and obliquely over the pubic bone, angled toward the side the fetal back faces, so the impacted anterior shoulder is adducted and slid beneath the symphysis. Rearward and inward over the sacral hollow pushes into the posterior pelvis, where nothing is impacted, and cannot dislodge the shoulder. Straight and firmly over the uterine crest is fundal pressure, which is contraindicated because it drives the shoulder harder against bone and risks uterine rupture. Upward and headward over the maternal ribs lifts the uterus away from the obstruction and accomplishes nothing at all.

247. A nurse is reviewing internal rotational maneuvers used for shoulder dystocia when external maneuvers fail. Which of the following is an example of an internal rotational maneuver?
     • The McRoberts thigh maneuver
     • The suprapubic pressure push
     • The Gaskin quadruped posture
     • The Woods corkscrew rotation

     Correct answer: The Woods corkscrew rotation

     The Woods corkscrew rotation is an internal technique: the clinician reaches in and rotates the posterior shoulder so the impacted anterior shoulder swings out from behind the symphysis. The McRoberts thigh maneuver works entirely from outside by hyperflexing the hips and is the first-line external step. The suprapubic pressure push is also external, applied by an assistant just above the symphysis. The Gaskin quadruped posture moves the mother onto hands and knees to open the pelvic diameters, which is a maternal position change rather than an internal rotation.

248. Delivery of the posterior arm is an internal maneuver for shoulder dystocia. The clinician accomplishes this by:
     • Flex the buried elbow and sweep it over the chest
     • Haul the fetal head and wrench it over the pelvis
     • Push the soft fundus and drive it over the outlet
     • Bend the wide hips and fold them over the abdomen

     Correct answer: Flex the buried elbow and sweep it over the chest

     Delivery of the posterior arm is achieved when the clinician reaches in to flex the buried elbow and sweep it over the chest, bringing the forearm out and shrinking the bisacromial diameter enough to release the impaction. Haul the fetal head and wrench it over the pelvis is the traction that stretches the brachial plexus and is exactly what must be avoided. Push the soft fundus and drive it over the outlet is fundal pressure, which wedges the shoulder harder behind the symphysis. Bend the wide hips and fold them over the abdomen is McRoberts, an external repositioning rather than delivery of the posterior arm.

249. Which documented sign during a vaginal birth is most classically associated with shoulder dystocia and signals the need to initiate maneuvers immediately?
     • The head turned free upon the maternal limb
     • The head pulled tight upon the raw perineum
     • The head stalled high upon the narrow inlet
     • The head trailed close upon the bright gush

     Correct answer: The head pulled tight upon the raw perineum

     The turtle sign is the head pulled tight upon the raw perineum in the seconds after it delivers, produced by the anterior shoulder catching behind the symphysis, and it calls for maneuvers at once. The head turned free upon the maternal limb is ordinary restitution and external rotation, an expected step of an uncomplicated birth. The head stalled high upon the narrow inlet is arrest of descent before the head is even born, a different problem arising earlier. The head trailed close upon the bright gush is nonspecific, since some blood loss accompanies most births and it identifies no impaction.

250. Meconium-stained amniotic fluid is identified at the time of membrane rupture in a term laboring patient. The current AAP/AHA Neonatal Resuscitation Program guidance directs that a NON-vigorous newborn born through meconium should initially receive:
     • Forceful chest thrusts with adrenaline infusions
     • Routine tracheal suction with laryngoscope entry
     • Customary initial actions with supported breaths
     • Perineal nasal aspiration with shoulder delivery

     Correct answer: Customary initial actions with supported breaths

     A non-vigorous newborn born through meconium receives the customary initial actions with supported breaths: warming, drying, stimulation and airway clearance, followed by positive-pressure ventilation whenever the infant is apneic or bradycardic. Forceful chest thrusts with adrenaline infusions belong to a heart rate that remains below sixty after effective ventilation, not to the opening response. Routine tracheal suction with laryngoscope entry was withdrawn from the program because it delays ventilation without lowering the rate of meconium aspiration syndrome. Perineal nasal aspiration with shoulder delivery is intrapartum suctioning on the perineum, abandoned for the same lack of benefit.

251. Thick meconium-stained amniotic fluid is noted during labor. From an obstetric standpoint, the most important reason this finding raises concern is that it may indicate:
     • Imminent labor, with a risk of precipitate expulsion
     • Automatic grounds, with a claim for instant delivery
     • Benign pigment, with a place among later pregnancies
     • Hypoxic stress, with a call for tighter surveillance

     Correct answer: Hypoxic stress, with a call for tighter surveillance

     Thick meconium matters obstetrically because it can mark hypoxic stress, with a call for tighter surveillance of the fetal heart rate and readiness for neonatal resuscitation at the birth. Imminent labor, with a risk of precipitate expulsion, is unrelated, since meconium says nothing about how quickly the cervix will open. Automatic grounds, with a claim for instant delivery, overstates the finding: meconium alone is not an indication for cesarean, and management follows the tracing. Benign pigment, with a place among later pregnancies, is wrong because passage does grow commoner with advancing gestation yet is never dismissed as requiring nothing.

252. Cervical dilation is one of the parameters assessed during a labor examination. Full cervical dilation, marking the transition from the first to the second stage of labor, is documented at:
     • Ten centimeters of relaxed cervix
     • Nine centimeters of supple cervix
     • Eight centimeters of loose cervix
     • Twelve centimeters of thin cervix

     Correct answer: Ten centimeters of relaxed cervix

     Complete dilation is ten centimeters of relaxed cervix, the point at which no rim can be felt around the presenting part and the second stage begins. Nine centimeters of supple cervix still leaves an anterior lip in many patients, so pushing then invites cervical edema and tearing. Eight centimeters of loose cervix sits inside the active phase, short of the transition being described. Twelve centimeters of thin cervix is not a value that exists, because the cervix is fully retracted at ten and is not measured beyond it.

253. Cervical ripening is often performed before oxytocin induction when the cervix is unfavorable. Which of the following is a prostaglandin E2 agent used for cervical ripening?
     • Terbutaline by hypodermic dose
     • Dinoprostone by vaginal insert
     • Indomethacin by swallowed pill
     • Magnesium by intravenous route

     Correct answer: Dinoprostone by vaginal insert

     Dinoprostone by vaginal insert is the prostaglandin E2 preparation licensed to ripen an unfavorable cervix before an oxytocin induction. Terbutaline by hypodermic dose is a beta-agonist given to relax the uterus, the opposite of what ripening requires. Indomethacin by swallowed pill inhibits prostaglandin synthesis and serves as a tocolytic, so it works against cervical change. Magnesium by intravenous route is used for seizure prophylaxis and fetal neuroprotection and exerts no ripening effect on the cervix.

254. A patient with an unfavorable cervix and a prior cesarean delivery is being evaluated for induction. The nurse recognizes that which cervical ripening agent is generally AVOIDED in patients with a prior uterine scar because of increased uterine rupture risk?
     • Balloon catheters threaded within the cervix
     • Membrane sweeps performed within the orifice
     • Misoprostol tablets placed within the fornix
     • Laminaria dilators packed within the passage

     Correct answer: Misoprostol tablets placed within the fornix

     Misoprostol tablets placed within the fornix are withheld from a patient with a prior uterine scar, because the prostaglandin E1 effect provokes hyperstimulation and raises the risk of rupture. Balloon catheters threaded within the cervix ripen by mechanical stretch alone, with no pharmacologic hyperstimulation, and are preferred in a scarred uterus. Membrane sweeps performed within the orifice separate the membranes from the lower segment and are not linked to that rupture risk. Laminaria dilators packed within the passage swell slowly and are equally mechanical, so they carry no prostaglandin hazard.

255. A mechanical method of cervical ripening uses a transcervical balloon catheter. The balloon promotes ripening primarily by which mechanism?
     • Blocked uptake at the cervix and weaker oxytocin
     • Fluid escape at the surface and tighter collagen
     • Direct contact at the muscle and stronger cramps
     • Firm pressure at the os and local prostaglandins

     Correct answer: Firm pressure at the os and local prostaglandins

     A transcervical balloon ripens through firm pressure at the os and local prostaglandins, since stretching the lower segment releases endogenous prostaglandin and oxytocin. Blocked uptake at the cervix and weaker oxytocin is backwards, because the balloon encourages oxytocin release rather than blocking it. Fluid escape at the surface and tighter collagen describes dehydration, which is not how a fluid-filled balloon acts and would stiffen the cervix instead of softening it. Direct contact at the muscle and stronger cramps misplaces the mechanism, since the balloon never binds myometrial prostaglandin receptors the way a drug does.

256. A nurse is initiating an oxytocin infusion for labor induction. Which assessment finding requires the nurse to STOP the oxytocin infusion?
     • Tachysystole with an abnormal or indeterminate strip
     • Contractions with a predictable or unhurried cadence
     • Variability with a sustained or undisturbed waveform
     • Discomfort with an insistent or unrelieved sensation

     Correct answer: Tachysystole with an abnormal or indeterminate strip

     Oxytocin is stopped for tachysystole with an abnormal or indeterminate strip, that is more than five contractions in a ten-minute window averaged over thirty minutes together with a Category II or Category III tracing, because uteroplacental perfusion is failing. Contractions with a predictable or unhurried cadence describe the pattern an induction is titrated toward, not a reason to stop. Variability with a sustained or undisturbed waveform is reassuring and argues for continuing the infusion. Discomfort with an insistent or unrelieved sensation is expected in induced labor and is answered with analgesia rather than discontinuation.

257. When titrating an oxytocin infusion for induction, the nurse adjusts the rate to achieve which target contraction pattern?
     • Contractions six to seven minutes apart with prompt recovery
     • Contractions two to three minutes apart with soft relaxation
     • Contractions one to two minutes apart with minimal slackness
     • Contractions four to five minutes apart with rigid tightness

     Correct answer: Contractions two to three minutes apart with soft relaxation

     Oxytocin is titrated toward contractions two to three minutes apart with soft relaxation between them, so the intervillous space refills and the fetus is reoxygenated between waves. Contractions six to seven minutes apart with prompt recovery are too widely spaced to advance labor and would call for an upward titration. Contractions one to two minutes apart with minimal slackness are tachysystole, which strangles perfusion and requires the rate to be cut. Contractions four to five minutes apart with rigid tightness pair an inadequate frequency with a failure to relax, so neither half of the target is met.

258. A patient receiving an oxytocin infusion at high doses for several hours suddenly develops a headache, confusion, and a urine output of 15 mL/hour. The nurse recognizes this as a sign of which oxytocin-related complication?
     • Anaphylaxis from sudden exposure
     • Atony from myometrial exhaustion
     • Hyponatremia from water overload
     • Toxicity from anesthetic buildup

     Correct answer: Hyponatremia from water overload

     High-dose oxytocin run for hours has an antidiuretic action, so a headache, confusion and a urine output of fifteen milliliters an hour point to hyponatremia from water overload; management is to cut the infusion and restrict free water. Anaphylaxis from sudden exposure would have declared itself within minutes as urticaria, bronchospasm and shock, not as a slowly evolving neurologic picture. Atony from myometrial exhaustion produces a boggy uterus and heavy bleeding after birth, not confusion with oliguria. Toxicity from anesthetic buildup follows local anesthetic dosing with tinnitus, perioral numbness and arrhythmia, and no such drug was given.

259. Most candidates for a trial of labor after cesarean (TOLAC) share a key feature in their surgical history. According to ACOG, which prior incision type makes a patient an appropriate VBAC candidate?
     • A high classical uterine incision
     • A broad T-shaped uterine incision
     • A midline fundal uterine incision
     • A low transverse uterine incision

     Correct answer: A low transverse uterine incision

     ACOG treats a low transverse uterine incision as the scar that makes most patients with one prior cesarean suitable for a trial of labor, because its rupture risk sits under one percent. A high classical uterine incision divides the contractile upper segment and carries a rupture risk many times greater, so it is a contraindication. A broad T-shaped uterine incision extends into that same upper segment and is equally disqualifying. A midline fundal uterine incision, as after transfundal myomectomy, also breaches the active segment and rules out a trial of labor.

260. A patient requesting a trial of labor after cesarean asks the nurse why a planned home birth was discouraged. The nurse's response is grounded in which ACOG safety requirement for TOLAC?
     • TOLAC needs a staffed theater within minutes
     • TOLAC needs a gestational cutoff within term
     • TOLAC needs a pressure catheter within hours
     • TOLAC needs a twice-daily test within months

     Correct answer: TOLAC needs a staffed theater within minutes

     The safety condition is that TOLAC needs a staffed theater within minutes, since a uterine rupture can decompensate very fast and only an immediately available surgical team and operating room can rescue mother and fetus, which is why a planned home birth was discouraged. TOLAC needs a gestational cutoff within term is false, because a trial of labor is not capped short of thirty-seven weeks. TOLAC needs a pressure catheter within hours is untrue, since an intrauterine catheter neither predicts nor prevents rupture. TOLAC needs a twice-daily test within months invents an antenatal testing schedule that no guideline requires.

261. During a trial of labor after cesarean, the patient suddenly reports sharp, constant abdominal pain, the fetal heart rate shows a prolonged deceleration, and the previously palpable presenting part is no longer felt on examination. These findings are most concerning for:
     • Embolism of the amniotic fluid
     • Rupture of the uterine segment
     • Previa of the central placenta
     • Onset of the precipitate birth

     Correct answer: Rupture of the uterine segment

     Sharp constant pain, a prolonged deceleration and loss of station with the presenting part receding form the classic picture of rupture of the uterine segment during a trial of labor. Embolism of the amniotic fluid announces itself as abrupt hypoxia, cardiovascular collapse and coagulopathy rather than as a receding presenting part. Previa of the central placenta causes painless bright bleeding, whereas this patient's pain is severe and unremitting. Onset of the precipitate birth is rapid but otherwise normal labor and would never make the presenting part vanish from the pelvis.

262. Which of the following is considered the MOST reliable and earliest sign of uterine rupture during labor?
     • A brisk maternal pulse climb, such as fast tachycardia
     • A fresh vaginal fluid loss, such as crimson hemorrhage
     • A sudden fetal rate drop, such as profound bradycardia
     • A quiet uterine tone lull, such as absent contractions

     Correct answer: A sudden fetal rate drop, such as profound bradycardia

     The earliest and most consistent finding in uterine rupture is a sudden fetal rate drop, such as profound bradycardia or a prolonged deceleration, because placental perfusion fails the moment the scar gives way. A brisk maternal pulse climb, such as fast tachycardia, reflects blood already lost and therefore appears later. A fresh vaginal fluid loss, such as crimson hemorrhage, is unreliable because much of the bleeding is concealed inside the abdomen. A quiet uterine tone lull, such as absent contractions, occurs in only a minority of ruptures and arrives late when it arrives at all.

263. Umbilical cord prolapse is an obstetric emergency requiring immediate action. When overt cord prolapse is identified, the nurse's PRIORITY intervention is to:
     • Replace the loose cord with a gentle upward thrust
     • Sever the exposed loop with a strong metal clipper
     • Mobilize the tired woman with a brisk hallway walk
     • Displace the fetal head with a sterile gloved hand

     Correct answer: Displace the fetal head with a sterile gloved hand

     The priority is to displace the fetal head with a sterile gloved hand, holding the presenting part up off the cord so fetal oxygenation is restored while the team prepares an emergency cesarean. Replace the loose cord with a gentle upward thrust is never attempted, because handling the cord provokes vasospasm and consumes the minutes that matter. Sever the exposed loop with a strong metal clipper would abolish the fetal circulation outright. Mobilize the tired woman with a brisk hallway walk worsens compression; she is repositioned knee-chest or head-down and moved on a bed rather than on foot.

264. In addition to manually elevating the presenting part, which maternal position is recommended to relieve pressure on a prolapsed umbilical cord while awaiting emergency delivery?
     • A knee-chest or Trendelenburg position
     • A high-Fowler or semi-upright position
     • A right-lateral or propped-up position
     • A fully-supine or unsupported position

     Correct answer: A knee-chest or Trendelenburg position

     A knee-chest or Trendelenburg position lets gravity draw the presenting part away from the prolapsed cord, reinforcing the manual elevation already under way. A high-Fowler or semi-upright position drives the presenting part down onto the cord and deepens the compression. A right-lateral or propped-up position may ease a mild occult compression but does far too little for an overt prolapse. A fully-supine or unsupported position gives no gravitational advantage and adds aortocaval compression from the heavy uterus.

265. A risk factor that predisposes a laboring patient to umbilical cord prolapse is:
     • A wedged vertex at the pelvic inlet
     • A high head at the membrane rupture
     • A meager pool at the placental edge
     • A new primipara at the latent phase

     Correct answer: A high head at the membrane rupture

     Prolapse is invited by a high head at the membrane rupture, because nothing fills the pelvic inlet and the cord can wash down ahead of the fetus as the fluid escapes. A wedged vertex at the pelvic inlet is protective, since the head plugs the inlet and blocks that path. A meager pool at the placental edge describes oligohydramnios, which leaves less fluid to sweep the cord downward and so lowers the risk. A new primipara at the latent phase carries no special prolapse risk, because parity and phase are not the determining factors.

266. Amniotic fluid embolism is a rare but catastrophic intrapartum emergency. Which triad of clinical features classically characterizes amniotic fluid embolism?
     • Painless hemorrhage, laxness, and tachycardia
     • Fetid discharge, tenderness, and leukocytosis
     • Abrupt hypoxia, hypotension, and coagulopathy
     • Isolated proteinuria, edema, and hypertension

     Correct answer: Abrupt hypoxia, hypotension, and coagulopathy

     Amniotic fluid embolism declares itself as abrupt hypoxia, hypotension, and coagulopathy, typically during labor or within minutes of the birth, with disseminated intravascular coagulation completing the picture. Painless hemorrhage, laxness, and tachycardia point instead toward placenta previa with uterine atony. Fetid discharge, tenderness, and leukocytosis describe chorioamnionitis, an infectious emergency rather than an embolic one. Isolated proteinuria, edema, and hypertension are the features of preeclampsia, which evolves across days and never produces this kind of sudden cardiovascular collapse.

267. A laboring patient suddenly becomes dyspneic and cyanotic, loses consciousness, and develops profuse bleeding from her IV sites minutes later. The team suspects amniotic fluid embolism. The most appropriate immediate management is:
     • Give intravenous magnesium sulfate with careful watch
     • Reposition the patient leftward with oral nourishment
     • Start a tocolytic infusion with continued observation
     • Mount full cardiopulmonary care with fast transfusion

     Correct answer: Mount full cardiopulmonary care with fast transfusion

     No specific antidote exists for amniotic fluid embolism, so the team must mount full cardiopulmonary care with fast transfusion: oxygenation, chest compressions if arrest supervenes, vasopressors, massive blood product replacement for the coagulopathy, and readiness for perimortem cesarean. Give intravenous magnesium sulfate with careful watch treats eclamptic seizures, which is not the problem here and would deepen the hypotension. Reposition the patient leftward with oral nourishment is trivial by comparison and dangerous in an unconscious woman who cannot protect her airway. Start a tocolytic infusion with continued observation spends the only minutes available and worsens the vasodilation.

268. Group B streptococcus (GBS) intrapartum antibiotic prophylaxis is indicated for a laboring patient with a positive antenatal GBS screen. The recommended first-line antibiotic is:
     • Penicillin into the forearm vein
     • Cefazolin into the brachial vein
     • Clindamycin into the dorsal vein
     • Erythromycin into the wrist vein

     Correct answer: Penicillin into the forearm vein

     Penicillin into the forearm vein is the first-line intrapartum agent for a woman with a positive antenatal GBS screen, with ampicillin as the accepted substitute. Cefazolin into the brachial vein is held in reserve for penicillin allergy that carries a low risk of anaphylaxis. Clindamycin into the dorsal vein is reserved for severe penicillin allergy and then used only when susceptibility testing confirms the isolate is sensitive. Erythromycin into the wrist vein is no longer recommended at all, because resistance among GBS isolates is common and fetal levels are unreliable.

269. For GBS prophylaxis to be considered adequate in reducing early-onset neonatal disease, the recommended minimum duration of intrapartum antibiotics before delivery is at least:
     • Two hours of steady protection
     • Four hours of steady treatment
     • Eight hours of steady coverage
     • Six hours of steady medication

     Correct answer: Four hours of steady treatment

     Prophylaxis counts as adequate after four hours of steady treatment before the birth, long enough for the drug to reach protective concentrations in the fetal circulation and the amniotic fluid. Two hours of steady protection falls short of that interval and leaves the newborn incompletely covered. Eight hours of steady coverage overstates the requirement, which is why an interval that long is not the stated minimum. Six hours of steady medication likewise sets the bar above the standard; antibiotics are begun as early in labor as possible precisely so the four-hour mark is cleared.

270. A GBS-positive patient in labor reports a history of anaphylaxis to penicillin. Antimicrobial susceptibility testing on the GBS isolate shows clindamycin resistance. The appropriate intrapartum prophylaxis is:
     • Cefazolin at the restricted dosage
     • Clindamycin at the standard dosage
     • Vancomycin at the customary dosage
     • Erythromycin at the regular dosage

     Correct answer: Vancomycin at the customary dosage

     With a history of anaphylaxis to penicillin and an isolate that has tested resistant, the indicated agent is vancomycin at the customary dosage, and prophylaxis is still owed because the antenatal screen was positive. Cefazolin at the restricted dosage is a cephalosporin and is avoided when the penicillin reaction was anaphylactic, because of cross-reactivity. Clindamycin at the standard dosage cannot be given once susceptibility testing has shown resistance. Erythromycin at the regular dosage is not recommended for GBS prophylaxis in any circumstance, given widespread resistance and unreliable fetal levels.

271. An epidural is placed for labor analgesia. The most common maternal side effect the nurse should anticipate and assess for shortly after dosing is:
     • A steady climb in systemic tension
     • A marked fade in respiratory drive
     • A rapid spike in inner temperature
     • A prompt drop in arterial pressure

     Correct answer: A prompt drop in arterial pressure

     Sympathetic blockade from the epidural produces vasodilation, so a prompt drop in arterial pressure is the effect to anticipate and to treat with a fluid bolus, lateral positioning and a vasopressor. A steady climb in systemic tension is the reverse of what neuraxial block does. A marked fade in respiratory drive belongs to intrathecal or systemic opioid excess or to a high block, not to a routine lumbar epidural. A rapid spike in inner temperature is wrong in its timing, since epidural fever climbs gradually across hours of analgesia rather than within minutes of a dose.

272. Twenty minutes after an epidural bolus, a laboring patient's blood pressure drops to 84/50 mm Hg and the fetal heart rate shows a prolonged deceleration. After ensuring the patient is in a lateral position and increasing IV fluids, which medication is most appropriate to treat the hypotension?
     • Phenylephrine or ephedrine
     • Labetalol or nitroprusside
     • Indomethacin or nifedipine
     • Terbutaline or hydralazine

     Correct answer: Phenylephrine or ephedrine

     Once the patient is lateral and a fluid bolus is running, phenylephrine or ephedrine is the vasopressor that reverses the sympathetic blockade and restores uteroplacental perfusion, which is what resolves the deceleration. Labetalol or nitroprusside would push the blood pressure lower still, the opposite of what is needed. Indomethacin or nifedipine are tocolytics, and nifedipine is itself a vasodilator that would deepen the hypotension. Terbutaline or hydralazine also drop vascular resistance, and terbutaline adds maternal tachycardia without correcting the pressure.

273. A nurse caring for a patient with a labor epidural notes a temperature rising over several hours of analgesia. The nurse understands that prolonged epidural analgesia is associated with which maternal effect?
     • A sustained pressure elevation
     • A moderate noninfectious fever
     • A persistent glucose depletion
     • A profound heartbeat reduction

     Correct answer: A moderate noninfectious fever

     Prolonged epidural analgesia is associated with a moderate noninfectious fever that climbs over several hours and has to be distinguished from chorioamnionitis, since it commonly triggers sepsis evaluations in mother and newborn. A sustained pressure elevation is not an epidural effect, because the block lowers blood pressure rather than raising it. A persistent glucose depletion has no established link to neuraxial analgesia. A profound heartbeat reduction is not characteristic either, as maternal bradycardia is uncommon and would suggest a high block or an unrelated cause.

274. A laboring patient at 6 cm has been making no cervical change for 4 hours despite adequate contractions confirmed by intrauterine pressure catheter. This pattern is best classified as:
     • Arrest of active-phase progress
     • Protraction of cephalic descent
     • Prolongation of latent dilation
     • Hypotonicity of uterine muscles

     Correct answer: Arrest of active-phase progress

     Arrest of active-phase progress names this pattern: past 6 cm, with contractions documented as adequate and no cervical change over four hours, dilation has stopped rather than merely slowed. Prolongation of latent dilation is excluded because the latent phase ends once 6 cm is reached. Protraction of cephalic descent describes slow second-stage descent, not first-stage dilation. Hypotonicity of uterine muscles is ruled out by the intrauterine pressure catheter, which confirms the contractions are strong enough.

275. During the second stage of labor, the fetal head delivers, then spontaneously turns to one side so the face aligns with one of the maternal thighs. This movement is correctly identified as which cardinal movement of labor?
     • Passive extension of the head
     • External rotation of the head
     • Pelvic engagement of the head
     • Increased flexion of the head

     Correct answer: External rotation of the head

     External rotation of the head, the movement also called restitution, is what happens once the head is born: it untwists and turns to the side so the shoulders can line up with the anteroposterior diameter of the outlet. Pelvic engagement of the head occurs before or early in labor, when the widest diameter passes the inlet. Increased flexion of the head brings the chin onto the chest during descent. Passive extension of the head is the movement that delivers the face over the perineum, and all three of these precede the turn described here.

276. A patient in active labor is being monitored with external electronic fetal monitoring. The tracing shows a baseline of 140 beats per minute, moderate variability, accelerations present, and no decelerations. This pattern is correctly categorized as:
     • Category two (nonspecific)
     • Category three (worrisome)
     • Category one (physiologic)
     • Baseline low (bradycardia)

     Correct answer: Category one (physiologic)

     Category one (physiologic) is correct: a baseline of 140 with moderate variability, accelerations present and no decelerations satisfies every criterion of the normal tracing, which strongly predicts normal fetal acid-base status. Category two (nonspecific) is the indeterminate tracing, reserved for strips that fit neither the normal nor the abnormal definition. Category three (worrisome) requires absent variability together with recurrent decelerations, bradycardia, or a sinusoidal baseline, none of which appears here. Baseline low (bradycardia) misreads the strip, since 140 sits inside the 110 to 160 range.

277. While managing an oxytocin induction, the nurse observes recurrent late decelerations with minimal variability, classifying the strip as Category II. Among the following, which is the MOST appropriate first nursing action?
     • Speed the oxytocin up, coach her to push hard, and hold back IV fluids and oxygen
     • Press down on the fundus, keep or lift the oxytocin, and cap IV fluids and oxygen
     • Move at once to a forceps birth, cut the oxytocin, and delay IV fluids and oxygen
     • Roll her on her side, reduce or stop the oxytocin, and start IV fluids and oxygen

     Correct answer: Roll her on her side, reduce or stop the oxytocin, and start IV fluids and oxygen

     Roll her on her side, reduce or stop the oxytocin, and start IV fluids and oxygen is the first-line bundle of intrauterine resuscitation for recurrent late decelerations, because every part of it acts to restore uteroplacental perfusion. Speed the oxytocin up, coach her to push hard, and hold back IV fluids and oxygen would intensify uterine activity and deepen the hypoxia. Press down on the fundus, keep or lift the oxytocin, and cap IV fluids and oxygen applies a maneuver that is contraindicated in labor and leaves the stimulant running. Move at once to a forceps birth, cut the oxytocin, and delay IV fluids and oxygen skips resuscitation altogether; operative birth is weighed later, if the pattern fails to improve and birth is indicated.

278. A nurse assists with an amniotomy (artificial rupture of membranes) to augment labor. Immediately after the procedure, the highest-priority nursing assessment is:
     • The fetal heartbeat rate
     • The maternal fever check
     • Her blood pressure trend
     • The reported pain number

     Correct answer: The fetal heartbeat rate

     The fetal heartbeat rate is the immediate priority once the membranes are ruptured, because escaping fluid can sweep the cord past the presenting part, and a prolapse announces itself as sudden bradycardia or as variable decelerations. The maternal fever check matters over the hours that follow, since infection risk rises once the membranes are open, but it detects nothing in the first minutes. Her blood pressure trend and the reported pain number are routine labor observations, and neither of them would reveal a compressed cord.

279. A patient at term presents with a transverse fetal lie confirmed by Leopold maneuvers and ultrasound, and she is in early labor. The nurse anticipates that the most likely plan of care will be:
     • Oxytocin augmented birth
     • Operative cesarean birth
     • Unassisted vaginal birth
     • Facilitated vacuum birth

     Correct answer: Operative cesarean birth

     Operative cesarean birth is the plan the nurse should anticipate, because a persistent transverse lie leaves no fetal pole able to engage the pelvis and nothing to lead through the birth canal. Unassisted vaginal birth is impossible for that same reason. Oxytocin augmented birth cannot turn the fetus into a longitudinal lie and would add the hazards of cord prolapse and uterine rupture. Facilitated vacuum birth requires a cephalic presentation at an adequate station, which a transverse lie never provides.

280. During the active phase of labor, a fetal heart rate tracing shows abrupt decreases in the heart rate that vary in shape, depth, and timing relative to contractions, dropping from a baseline of 145 to 100 beats per minute and recovering quickly. These are best described as:
     • Early decelerations with symmetric peaks
     • Late decelerations with gradual recovery
     • Variable decelerations with sudden onset
     • Prolonged decelerations with slow return

     Correct answer: Variable decelerations with sudden onset

     Variable decelerations with sudden onset match the description exactly: the drop from baseline is abrupt, its shape, depth and timing shift from one contraction to the next, and recovery is quick. Early decelerations with symmetric peaks are gradual rather than abrupt and mirror the contraction rather than varying with it. Late decelerations with gradual recovery are also gradual, and their lowest point falls after the peak of the contraction. Prolonged decelerations with slow return last two minutes or longer, far beyond the brief dips seen on this strip.

281. A patient with a fetus in a persistent occiput posterior position during the second stage is experiencing protracted descent. Which maternal position change is most likely to facilitate fetal rotation to occiput anterior?
     • The flat and supine position
     • The high and seated position
     • The stirrup and leg position
     • The hands and knees position

     Correct answer: The hands and knees position

     The hands and knees position is the change most likely to bring an occiput posterior fetus round to occiput anterior, because it lets gravity draw the heaviest part of the fetus forward while the pelvic joints stay free to move. The flat and supine position narrows the outlet and works against rotation. The high and seated position pins the pelvis against the bed and does nothing to shift the fetal spine. The stirrup and leg position fixes the hips in a single plane and removes the mobility that rotation depends on.

282. During the second stage of labor, ACOG and AWHONN support delayed (passive) pushing and spontaneous pushing techniques. Compared with immediate, directed Valsalva pushing at full dilation, a recognized benefit of allowing the fetus to descend before active pushing is:
     • Reduced maternal fatigue and briefer pushing during the second stage
     • Fewer perineal injuries and steadier pushing during the second stage
     • Lower monitoring demands and quieter pushing during the second stage
     • Faster complete descent and speedier pushing during the second stage

     Correct answer: Reduced maternal fatigue and briefer pushing during the second stage

     Reduced maternal fatigue and briefer pushing during the second stage is the recognized benefit of letting the fetus descend before active effort begins: the contractions do the early work, so the woman spends less of the stage in strenuous pushing and reaches the birth less exhausted. Faster complete descent and speedier pushing during the second stage overstates the case, because the total second stage is frequently longer, not shorter, when pushing is delayed. Lower monitoring demands and quieter pushing during the second stage is wrong because fetal surveillance carries on unchanged. Fewer perineal injuries and steadier pushing during the second stage claims a protective effect on the perineum that passive descent has not been shown to deliver.

283. A nurse is using Leopold maneuvers to assess fetal presentation before applying the external fetal monitor. During which maneuver does the nurse palpate the fundus to determine which fetal pole (head or breech) occupies the upper uterus?
     • The fourth maneuver
     • The first maneuver
     • The third maneuver
     • The second maneuver

     Correct answer: The first maneuver

     The first maneuver is the one described: the examiner palpates the uterine fundus to decide whether the firm, round, ballottable head or the softer, irregular breech occupies the upper segment. The second maneuver moves to the sides of the uterus to find the fetal back and the small parts. The third maneuver, the Pawlik grasp, takes the presenting part just above the symphysis. The fourth maneuver has the examiner face the woman's feet to judge descent and cephalic attitude, so none of the other three begins at the fundus.

284. During the third stage of labor, the nurse observes a sudden gush of blood, lengthening of the umbilical cord at the introitus, and a globular, firm uterus that rises in the abdomen. These are signs of:
     • Relaxation of the uterine muscle
     • Retention of the small fragments
     • Separation of the whole placenta
     • Inversion of the softened uterus

     Correct answer: Separation of the whole placenta

     Separation of the whole placenta is what these three findings together announce: a sudden gush of blood, the cord lengthening at the introitus, and a firm globular uterus that rises as the detached placenta drops into the lower segment. Relaxation of the uterine muscle would leave a boggy, poorly contracted uterus rather than the firm globular one described. Retention of the small fragments produces bleeding that continues after the placenta is out, not the picture of a placenta ready to be delivered. Inversion of the softened uterus presents with a mass at the introitus, a fundus that can no longer be felt, and profound shock.

285. A multipara progresses from 5 cm to complete dilation and delivers within 2 hours of the onset of regular contractions. The nurse documents this rapid course as:
     • Protracted active pattern
     • Prolonged latency pattern
     • Arrested cephalic pattern
     • Precipitate labor pattern

     Correct answer: Precipitate labor pattern

     Precipitate labor pattern is the correct documentation, because expulsion of the fetus within three hours of the onset of regular contractions defines it and this labor ran about two. Protracted active pattern and arrested cephalic pattern both describe abnormally slow or stalled progress, the opposite of what happened here. Prolonged latency pattern describes an early phase that drags on before the active phase starts, which also did not occur. The nurse prepares for an imminent birth and for the laceration and hemorrhage risks a labor this fast carries.

286. A nurse documents a cervical examination as 3 cm, 50 percent, and minus 2. Which of the following correctly interprets the middle value?
     • Effacement thinned to 50 percent
     • Dilation stretched to 50 percent
     • Descent progressed to 50 percent
     • Presentation moved to 50 percent

     Correct answer: Effacement thinned to 50 percent

     Effacement thinned to 50 percent is the correct reading: in the dilation, effacement and station shorthand the middle figure always reports effacement, meaning the cervix has shortened to half its original length. Dilation stretched to 50 percent misassigns the first figure, which is written in centimeters and here reads 3 cm. Descent progressed to 50 percent and presentation moved to 50 percent both misassign the third figure, which is station in centimeters above or below the ischial spines and here reads minus 2, and neither descent nor presentation is ever recorded as a percentage.

287. A laboring patient at 39 weeks has thick, particulate, meconium-stained amniotic fluid after rupture of membranes, and the fetal heart rate tracing is Category I. According to current neonatal resuscitation guidance, the most appropriate plan for the newborn at birth is to:
     • Clear the newborn oropharynx at the perineum, then dry and swaddle carefully
     • Give the newborn routine care, then resuscitate by tone and breathing effort
     • Withhold the newborn drying and stimulation, then suction the airway by hand
     • Intubate this newborn and suction the trachea, then begin drying and warming

     Correct answer: Give the newborn routine care, then resuscitate by tone and breathing effort

     Give the newborn routine care, then resuscitate by tone and breathing effort states current Neonatal Resuscitation Program guidance: a meconium-stained baby is managed according to vigor, so a vigorous infant receives warmth, drying and observation while a limp or apneic one receives the initial steps and positive-pressure ventilation if breathing does not start. Clear the newborn oropharynx at the perineum, then dry and swaddle carefully revives intrapartum suctioning on the perineum, a practice abandoned because it does not reduce meconium aspiration. Withhold the newborn drying and stimulation, then suction the airway by hand delays the very steps that establish breathing. Intubate this newborn and suction the trachea, then begin drying and warming applies routine tracheal suctioning, no longer recommended for meconium exposure by itself, and this Category I fetus is well oxygenated besides.

288. A patient is receiving an oxytocin infusion for induction. The fetal heart rate is Category I, but the nurse notes six contractions in a 10-minute window averaged over 30 minutes, with normal fetal status. The most appropriate nursing action is to:
     • Hold the oxytocin rate and chart a routine entry
     • Raise the oxytocin rate and build a firm pattern
     • Reduce the oxytocin rate and keep a steady watch
     • Stop the oxytocin rate and give a tocolytic dose

     Correct answer: Reduce the oxytocin rate and keep a steady watch

     Reduce the oxytocin rate and keep a steady watch is the right response to tachysystole, more than five contractions in ten minutes averaged over thirty, while the tracing is still Category I: titrating the dose down settles uterine activity and the induction can continue. Hold the oxytocin rate and chart a routine entry leaves excessive uterine activity untreated, and each extra contraction cuts into placental perfusion. Raise the oxytocin rate and build a firm pattern would make the tachysystole worse. Stop the oxytocin rate and give a tocolytic dose is the response held back for tachysystole with a Category II or III tracing, and it is excessive while fetal status stays reassuring.

289. Before initiating an oxytocin induction in a patient with an unfavorable cervix (Bishop score of 3), the provider orders cervical ripening. Which agent is a prostaglandin E1 analogue used off-label for cervical ripening?
     • Isoxsuprine
     • Dinoprostone
     • Indomethacin
     • Misoprostol

     Correct answer: Misoprostol

     Misoprostol is the prostaglandin E1 analogue, given off-label for cervical ripening and induction in doses of roughly 25 to 50 micrograms. Dinoprostone is the prostaglandin E2 preparation, a different analogue and the closest trap here. Indomethacin blocks prostaglandin synthesis and is used as a tocolytic, so it works against ripening rather than for it. Isoxsuprine is a beta-adrenergic uterine relaxant with no ripening action at all. Ripening is offered when the Bishop score is unfavorable, to improve the odds of a successful vaginal birth.

290. A patient with an unfavorable cervix is undergoing mechanical cervical ripening with a transcervical Foley balloon catheter. The nurse explains that this method ripens the cervix primarily by:
     • Pressing directly against the internal os
     • Lowering the level of native progesterone
     • Giving prostaglandins into the blood flow
     • Making oxytocin receptors within the womb

     Correct answer: Pressing directly against the internal os

     Pressing directly against the internal os is how a transcervical balloon ripens a cervix: the inflated balloon sits against the internal os and its steady mechanical load stretches and softens the tissue, which in turn provokes local prostaglandin release. Giving prostaglandins into the blood flow describes a pharmacologic agent, and a balloon delivers no drug of any kind. Lowering the level of native progesterone is not something a catheter can accomplish. Making oxytocin receptors within the womb is a hormonal change of late pregnancy, not an effect of a device placed in the cervix.

291. A patient receiving an oxytocin infusion suddenly develops a single prolonged deceleration with the fetal heart rate falling to 80 bpm and persisting for 4 minutes, accompanied by tachysystole. After stopping the oxytocin and repositioning fail to resolve it, the nurse anticipates administration of:
     • A carboprost injection
     • A terbutaline injection
     • The magnesium injection
     • Another oxytocin dosage

     Correct answer: A terbutaline injection

     A terbutaline injection is what the nurse should anticipate: terbutaline is a beta-adrenergic tocolytic and is the standard rescue when tachysystole with a prolonged deceleration persists after the oxytocin is stopped and the patient repositioned, because relaxing the uterus restores uteroplacental blood flow. A carboprost injection is a uterotonic and would drive the uterus into still stronger contraction. Another oxytocin dosage would do the same, and the infusion has just been stopped for exactly that reason. The magnesium injection belongs to seizure prophylaxis and fetal neuroprotection, not to acute intrauterine resuscitation.

292. During delivery of the head, the fetal head retracts tightly against the perineum (turtle sign) and the anterior shoulder does not deliver with the next contraction. The nurse recognizes shoulder dystocia and, after calling for help, should first assist with:
     • The cephalic push maneuver
     • The fundal thrust maneuver
     • The McRoberts hip maneuver
     • The head traction maneuver

     Correct answer: The McRoberts hip maneuver

     The McRoberts hip maneuver is the correct first step: sharp hyperflexion of the thighs onto the abdomen flattens the sacrum and swings the symphysis upward, which frees the impacted anterior shoulder in a large share of cases and carries almost no risk. The fundal thrust maneuver is contraindicated, because pressure from above drives the shoulder harder against the pubic bone. The head traction maneuver threatens a brachial plexus injury and disimpacts nothing. The cephalic push maneuver, replacing the head in the uterus so a cesarean can be done, is a last resort once other measures have failed.

293. After the McRoberts maneuver alone does not relieve a shoulder dystocia, which additional maneuver should the nurse apply at the request of the provider?
     • Traction over the fetal vertex, pulled down and behind the front shoulder
     • Pressure over the cricoid ring, pushed down and behind the front shoulder
     • Pressure over the uterine fundus, sent down and behind the front shoulder
     • Pressure over the pubic bone, directed down and behind the front shoulder

     Correct answer: Pressure over the pubic bone, directed down and behind the front shoulder

     Pressure over the pubic bone, directed down and behind the front shoulder is the maneuver to add: applied just above the symphysis and angled obliquely, it adducts the anterior shoulder and slides it out from behind the pubic bone, and paired with McRoberts it resolves the large majority of dystocias. Pressure over the uterine fundus, sent down and behind the front shoulder is contraindicated, since force from above wedges the shoulder tighter. Traction over the fetal vertex, pulled down and behind the front shoulder risks a brachial plexus injury and disimpacts nothing. Pressure over the cricoid ring, pushed down and behind the front shoulder belongs to airway management and has no role in an obstetric emergency.

294. The provider performing the McRoberts maneuver for shoulder dystocia explains that this position relieves the impaction primarily by:
     • Flattening the lumbar curve and turning the symphysis upward
     • Widening the pelvic opening and freeing the trapped shoulder
     • Delivering the posterior arm and easing the bisacromial span
     • Breaking the fetal collarbone and loosening the wedged trunk

     Correct answer: Flattening the lumbar curve and turning the symphysis upward

     Flattening the lumbar curve and turning the symphysis upward is the mechanism: hyperflexing the hips straightens the lumbosacral angle and rotates the symphysis cephalad, lifting the pubic bone away from the impacted shoulder. Widening the pelvic opening and freeing the trapped shoulder misstates it, because the bony pelvic diameters do not actually change. Delivering the posterior arm and easing the bisacromial span is a separate maneuver, reached for when first-line measures fail. Breaking the fetal collarbone and loosening the wedged trunk is a deliberate last-resort act, not the effect of a change in maternal position.

295. While documenting a shoulder dystocia, the nurse lists internal rotational maneuvers performed. Which of the following is an internal maneuver rather than an external one?
     • Pressing over the pubis against the shoulder
     • Rotating the front shoulder toward the chest
     • Flexing the thighs to extricate the shoulder
     • Rolling the mother to disengage the shoulder

     Correct answer: Rotating the front shoulder toward the chest

     Rotating the front shoulder toward the chest is the internal maneuver, the one recorded as Rubin II: a hand is placed in the vagina behind the anterior shoulder and turns it toward the fetal chest, which narrows the bisacromial diameter. Pressing over the pubis against the shoulder is suprapubic pressure, delivered from outside the abdomen. Flexing the thighs to extricate the shoulder is the McRoberts position, also external. Rolling the mother to disengage the shoulder is the all-fours repositioning maneuver, and like the other two it is performed with no hand inside the vagina.

296. A patient at 41 weeks experiences artificial rupture of membranes, and immediately the fetal heart rate drops to 70 bpm. On vaginal examination the nurse palpates a pulsating, cord-like structure in the vagina. The priority intervention is to:
     • Reinsert the cord back in the uterus and keep observing the fetal tracing
     • Press downward upon her fundus and hasten the birth by releasing the cord
     • Lift the presenting part off the cord and hold her in knee-chest position
     • Increase oxytocin and hurry the birth by shifting the weight off the cord

     Correct answer: Lift the presenting part off the cord and hold her in knee-chest position

     Lift the presenting part off the cord and hold her in knee-chest position is the priority in overt cord prolapse: a gloved hand holds the presenting part up off the cord while knee-chest or steep Trendelenburg keeps gravity working the same way, and that relief is held until an emergency cesarean can be done. Reinsert the cord back in the uterus and keep observing the fetal tracing is never done, because handling the cord provokes vasospasm and adds delay. Press downward upon her fundus and hasten the birth by releasing the cord squeezes an already compressed cord instead of relieving it. Increase oxytocin and hurry the birth by shifting the weight off the cord strengthens the contractions that are compressing it.

297. A patient with a previous low transverse cesarean is in active labor attempting a trial of labor after cesarean. She suddenly reports sharp, tearing abdominal pain, the fetal heart rate shows a prolonged deceleration, contractions cease, and the presenting part is no longer palpable at the previously assessed station. The nurse suspects:
     • Abruption of the term placenta
     • Embolism of the amniotic fluid
     • Onset of the precipitate labor
     • Rupture of the weakened uterus

     Correct answer: Rupture of the weakened uterus

     Rupture of the weakened uterus is the suspicion these findings point to: the presenting part recedes and station is lost, pain becomes sharp and tearing, contractions stop, and the tracing shows a prolonged deceleration, which in a trial of labor after cesarean is the classic and usually earliest warning. Abruption of the term placenta produces a tense, tender uterus with bleeding, and station is not lost. Embolism of the amniotic fluid announces itself as abrupt cardiopulmonary collapse with coagulopathy. Onset of the precipitate labor would bring contractions that grow faster and stronger with the fetus descending, the opposite of what is happening here.

298. When counseling a patient about candidacy for a trial of labor after cesarean (TOLAC), which prior surgical history is the strongest contraindication?
     • A prior classical vertical uterine incision
     • A prior healthy transverse uterine incision
     • A prior breech-birth lower uterine incision
     • A prior distant transverse uterine incision

     Correct answer: A prior classical vertical uterine incision

     A prior classical vertical uterine incision is the strongest contraindication, because that scar lies in the contractile upper segment and carries a far higher risk of rupture once labor begins, so a repeat cesarean is recommended instead. A prior healthy transverse uterine incision is the most favorable history there is for a trial of labor, not a bar to one. A prior distant transverse uterine incision is likewise no obstacle, since a longer interval since surgery is reassuring rather than disqualifying. A prior breech-birth lower uterine incision states only why the first cesarean was done, and the indication does not decide candidacy; the type of scar does.

299. A patient requesting a vaginal birth after cesarean asks what factors make her a good candidate. Which combination is most consistent with appropriate VBAC candidacy per current guidance?
     • A myomectomy cut through the cavity, a plan for home labor, and a wished-for vaginal birth
     • A single low transverse scar, an unscarred upper wall, and a clear route for vaginal birth
     • A healed uterine rupture, a long vertical incision, and an urgent wish for a vaginal birth
     • Two earlier classical incisions, a placenta lying over the os, and a hope of vaginal birth

     Correct answer: A single low transverse scar, an unscarred upper wall, and a clear route for vaginal birth

     A single low transverse scar, an unscarred upper wall, and a clear route for vaginal birth is the combination current guidance supports, so long as the birth happens where an emergency cesarean can be started without delay. A healed uterine rupture, a long vertical incision, and an urgent wish for a vaginal birth names two contraindications, and a woman's preference cannot override either of them. Two earlier classical incisions, a placenta lying over the os, and a hope of vaginal birth stacks a high-risk scar on a previa, and each alone rules labor out. A myomectomy cut through the cavity, a plan for home labor, and a wished-for vaginal birth pairs a scar that breached the cavity with a setting that has no surgical backup.

300. A laboring patient who is group B Streptococcus positive on her 36-week screen has just been admitted in active labor. Which intrapartum antibiotic is the first-line agent for GBS prophylaxis in a patient without a penicillin allergy?
     • Intramuscular penicillin
     • Intramuscular gentamicin
     • Intravenous penicillin
     • Intravenous vancomycin

     Correct answer: Intravenous penicillin

     Intravenous penicillin is the first-line intrapartum prophylaxis for a group B streptococcus carrier with no penicillin allergy, given as a loading dose and then repeated every four hours until the birth. Intramuscular penicillin takes the right drug by the wrong route, and adequate fetal drug levels depend on intravenous dosing. Intravenous vancomycin is held back for a high-risk allergy or a resistant isolate. Intramuscular gentamicin has no place in group B streptococcus prophylaxis at all, by any route.

301. A GBS-positive patient in labor receives her first dose of intravenous penicillin. To achieve adequate prevention of early-onset neonatal GBS disease, the goal is to administer the first dose at least how long before delivery?
     • A one-hour cushion before birth
     • A two-hour stretch before birth
     • An eight-hour lead before birth
     • A four-hour margin before birth

     Correct answer: A four-hour margin before birth

     A four-hour margin before birth is the goal: a course counts as adequate when the first dose goes in four hours or more ahead of delivery, which is what maximizes the fall in early-onset neonatal disease. A one-hour cushion before birth and a two-hour stretch before birth confer some benefit but are recorded as inadequate, and the newborn evaluation changes accordingly. An eight-hour lead before birth exceeds what the standard asks and is not the threshold that defines adequacy. This timing is why antibiotics are begun as soon as a known carrier is admitted in labor.

302. A patient in active labor requests epidural analgesia. Approximately 15 minutes after the epidural is dosed, her blood pressure drops to 84/50 mmHg and the fetal heart rate shows a deceleration. The nurse's priority interventions include repositioning, increasing IV fluids, and:
     • Giving her ephedrine or phenylephrine per unit protocol
     • Delivering her naloxone or flumazenil per unit protocol
     • Repositioning her upright or reversed per unit protocol
     • Discontinuing her fluids or infusions per unit protocol

     Correct answer: Giving her ephedrine or phenylephrine per unit protocol

     Giving her ephedrine or phenylephrine per unit protocol completes the response to epidural hypotension: the sympathetic blockade drops systemic vascular resistance, and once repositioning and a fluid bolus are not enough, a vasopressor restores maternal pressure and with it uteroplacental flow, which is what resolves the deceleration. Discontinuing her fluids or infusions per unit protocol would deepen the hypotension. Repositioning her upright or reversed per unit protocol cuts venous return and makes the pressure worse still. Delivering her naloxone or flumazenil per unit protocol reverses opioid or benzodiazepine effect, and neither of those is causing this drop.

303. A patient with a labor epidural is unable to feel the urge to void and her bladder is palpable above the symphysis. The most appropriate nursing intervention is to:
     • Relieve the bladder by halting the epidural
     • Empty the bladder by inserting the catheter
     • Void the bladder by coaching strong pushing
     • Shrink the bladder by limiting fluid intake

     Correct answer: Empty the bladder by inserting the catheter

     Empty the bladder by inserting the catheter is the appropriate intervention: a labor epidural blunts the sensation of fullness, and a distended bladder blocks fetal descent and risks lasting injury to the detrusor, so intermittent or indwelling catheterization per unit protocol is what relieves it. Relieve the bladder by halting the epidural sacrifices effective analgesia for a problem catheterization solves directly. Void the bladder by coaching strong pushing cannot empty a bladder the woman is unable to feel, and it adds trauma. Shrink the bladder by limiting fluid intake risks dehydration and does nothing about the urine already sitting there.

304. A patient develops the sudden triad of severe hypoxia, profound hypotension, and cardiovascular collapse during the second stage of labor, rapidly followed by uncontrolled bleeding from the IV sites and uterus. The most likely diagnosis is:
     • A severe eclamptic seizure
     • An unresolved septic shock
     • An amniotic fluid embolism
     • A hidden hypovolemic shock

     Correct answer: An amniotic fluid embolism

     An amniotic fluid embolism fits this sequence exactly: abrupt hypoxia, then hypotension and cardiovascular collapse, then a consumptive coagulopathy, all during labor or the moments after birth and with no other explanation available. An unresolved septic shock builds over hours with fever and an identifiable source rather than striking within seconds. A severe eclamptic seizure announces itself with convulsions, usually against a background of hypertension. A hidden hypovolemic shock could account for the low pressure but not for the immediate hypoxia and not for bleeding from the puncture sites.

305. The nurse understands that the diagnosis of amniotic fluid embolism is established primarily by:
     • A maternal sample with squamous cells counted
     • A serum assay with amniotic proteins detected
     • A chest angiogram with pulmonary clot visible
     • A clinical picture with rival causes excluded

     Correct answer: A clinical picture with rival causes excluded

     A clinical picture with rival causes excluded is how this diagnosis is reached, because no laboratory test confirms it: the abrupt peripartum collapse with hypoxia and coagulopathy is recognized at the bedside once the alternatives have been ruled out. A maternal sample with squamous cells counted is neither sensitive nor specific, since fetal squames turn up in the blood of well women too. A serum assay with amniotic proteins detected describes a test that is not available for clinical use. A chest angiogram with pulmonary clot visible investigates thromboembolism, a different diagnosis, and waiting for the scan would delay resuscitation.

306. A nurse is interpreting an electronic fetal monitoring strip during active labor. The tracing shows a baseline of 140 bpm, moderate variability, accelerations present, and no decelerations. This tracing is categorized as:
     • Category one, healthy status
     • Category two, doubtful state
     • Category three, poor outlook
     • Sinusoidal wave, anemia sign

     Correct answer: Category one, healthy status

     Category one, healthy status is the correct reading: a baseline of 140, moderate variability, accelerations present and no decelerations satisfies every requirement of the reassuring tracing, which predicts normal fetal acid-base balance. Category two, doubtful state covers the indeterminate strips that fit neither the reassuring nor the abnormal definition. Category three, poor outlook demands absent variability together with recurrent late or variable decelerations, bradycardia, or a sine-wave baseline. Sinusoidal wave, anemia sign describes a smooth undulating baseline with absent variability, and nothing of that kind appears on this strip.

307. During the second stage of labor a fetal monitoring strip shows recurrent decelerations that begin after the onset of each contraction, reach their lowest point after the peak of the contraction, and return to baseline after the contraction ends. The nurse identifies these as:
     • Early decelerations, a gradual curve
     • Late decelerations, a delayed trough
     • Variable decelerations, a sharp fall
     • Prolonged decelerations, a long drop

     Correct answer: Late decelerations, a delayed trough

     Late decelerations, a delayed trough is the identification: the fall is gradual and symmetric, it begins after the contraction starts, its lowest point comes after the peak, and recovery follows the end of the contraction, which together signal uteroplacental insufficiency. Early decelerations, a gradual curve mirror the contraction instead of lagging behind it, and they arise from head compression. Variable decelerations, a sharp fall drop abruptly and shift in timing from one contraction to the next. Prolonged decelerations, a long drop last two minutes or longer, which these do not.

308. A fetal monitoring strip during labor shows a smooth, undulating, sine-wave-like baseline with a frequency of about 3 to 5 cycles per minute, fixed amplitude, and absent variability. This pattern requires urgent evaluation because it is most associated with:
     • Harmless sleep or quiet pause
     • Maternal fever or mild chills
     • Severe anemia or deep hypoxia
     • Simple anxiety or brief panic

     Correct answer: Severe anemia or deep hypoxia

     Severe anemia or deep hypoxia is what a true sinusoidal pattern signals: a smooth sine-wave baseline at three to five cycles a minute with fixed amplitude and absent variability is an ominous Category III finding, seen with fetomaternal hemorrhage, Rh alloimmunization, or profound hypoxia. Harmless sleep or quiet pause reduces variability but never abolishes it, and the pattern breaks up within twenty to forty minutes. Maternal fever or mild chills lifts the baseline rate rather than making it undulate. Simple anxiety or brief panic in the mother produces no such waveform at all.

309. A laboring patient on continuous EFM shows recurrent variable decelerations that are abrupt in onset, vary in shape and timing relative to contractions, and drop more than 15 bpm below baseline. The pathophysiologic cause the nurse should suspect is:
     • Failure of the placental supply
     • Depletion of the stored glucose
     • Compression of the cranial bone
     • Occlusion of the umbilical cord

     Correct answer: Occlusion of the umbilical cord

     Occlusion of the umbilical cord is the mechanism to suspect: decelerations that begin abruptly and vary in shape, depth and timing appear when the cord is squeezed, whether by oligohydramnios, a nuchal loop, or a coil around the trunk. Failure of the placental supply produces late decelerations, which are gradual and lag behind the contraction. Compression of the cranial bone produces early decelerations, which mirror the contraction exactly. Depletion of the stored glucose in the mother has no characteristic deceleration pattern of any kind. Repositioning to lift the cord is therefore the first response.

310. Recurrent variable decelerations from cord compression persist despite maternal repositioning during the first stage of labor, with ruptured membranes and a Category II tracing. The intervention specifically aimed at relieving cord compression by restoring fluid volume is:
     • Warmed saline amnioinfusion
     • Continuous mask oxygenation
     • Sustained crystalloid bolus
     • Stronger oxytocin titration

     Correct answer: Warmed saline amnioinfusion

     Warmed saline amnioinfusion is the intervention aimed straight at the mechanism: instilling warmed normal saline through an intrauterine catheter restores the volume that cushions the cord, so the repeated squeezing stops. Continuous mask oxygenation raises maternal oxygen content but leaves the cord just as compressed. Sustained crystalloid bolus supports maternal circulation and blood pressure, again without unloading the cord. Stronger oxytocin titration would add contractions and squeeze the cord more often still. Amnioinfusion is held for the case where repositioning alone has already failed.

311. A nurse evaluates the strength of a patient's labor contractions using an intrauterine pressure catheter and calculates Montevideo units. Adequate uterine activity for labor progress is generally considered to be:
     • Beyond four hundred Montevideo units
     • Two hundred Montevideo units upwards
     • Roughly fifty Montevideo units total
     • Under sixty Montevideo units overall

     Correct answer: Two hundred Montevideo units upwards

     Two hundred Montevideo units upwards is the accepted marker of adequate uterine activity, obtained by summing the peak-minus-baseline pressures of the contractions in a ten-minute window through an intrauterine catheter. Roughly fifty Montevideo units total and under sixty Montevideo units overall both describe hypotonic activity, the kind that may call for augmentation rather than confirming adequacy. Beyond four hundred Montevideo units sets the bar far above the accepted standard and would label perfectly adequate labors as inadequate. The measure matters because arrest of dilation cannot be diagnosed until uterine activity has been documented as adequate.

312. A patient at term with a fetal heart rate baseline of 165 bpm has been laboring for several hours and now has a temperature of 38.6 C, uterine tenderness, and purulent amniotic fluid. The nurse recognizes these findings as most consistent with:
     • Retroplacental abruption hematoma
     • Cardiopulmonary amniotic embolism
     • Intraamniotic bacterial infection
     • Straightforward physiologic labor

     Correct answer: Intraamniotic bacterial infection

     Intraamniotic bacterial infection, the condition usually called chorioamnionitis, is what maternal fever, fetal tachycardia, uterine tenderness and purulent fluid describe together, and it calls for antibiotics, antipyretics and thought about expediting the birth. Retroplacental abruption hematoma presents with bleeding and a rigid, painful uterus rather than fever and purulent fluid. Cardiopulmonary amniotic embolism strikes as sudden collapse with coagulopathy, not as a febrile course over hours. Straightforward physiologic labor does not push the temperature to 38.6 C or turn the fluid purulent, and the fetal tachycardia seen here is one of the earliest signs of infection.

313. During the second stage of labor, the nurse anticipates that effective maternal pushing combined with descent will lead to the cardinal movements of labor. Which cardinal movement immediately follows internal rotation of the fetal head?
     • Engagement of the skull
     • Extension of the vertex
     • Flexion of the sinciput
     • Restitution of the head

     Correct answer: Extension of the vertex

     Extension of the vertex is the movement that immediately follows internal rotation: the rotated head pivots under the pubic arch and the occiput sweeps out as the head deflexes. Engagement of the skull and flexion of the sinciput both occur earlier in the sequence, before internal rotation, so neither can follow it. Restitution of the head is the untwisting of the neck that happens only after the head has already been born, so it comes one step later.

314. A patient is fully dilated but has been pushing for over 3 hours with an epidural and the fetal head remains at plus 2 station with a persistent occiput posterior position. The provider plans an operative vaginal delivery. A prerequisite the nurse must confirm before forceps or vacuum is:
     • Adequate uterine relaxation with the epidural dose halted
     • Continued fetal descent with the posterior lie unresolved
     • Complete cervical dilation with the vertex firmly engaged
     • Prolonged expulsive effort with the membranes left intact

     Correct answer: Complete cervical dilation with the vertex firmly engaged

     Complete cervical dilation with the vertex firmly engaged is the pair of conditions that must be confirmed, since an assisted vaginal birth may be attempted only when the cervix is fully open and the presenting part has passed the pelvic inlet. Adequate uterine relaxation with the epidural dose halted is not a criterion and would strip away the expulsive force the operator depends on. Continued fetal descent with the posterior lie unresolved describes the problem being treated rather than a condition that permits the procedure. Prolonged expulsive effort with the membranes left intact is disqualifying, because the membranes must be ruptured before a forceps or vacuum application.

315. A patient at 38 weeks presents in labor with the fetus in a frank breech presentation and is planned for cesarean birth. The nurse explains that the main reason cesarean is generally preferred for term breech is:
     • Diminished amounts of the blood with less seepage
     • Quicker recovery of the mother with less soreness
     • Decreased checks of the monitor with less trouble
     • Rarer entrapments of the cranium with less trauma

     Correct answer: Rarer entrapments of the cranium with less trauma

     Rarer entrapments of the cranium with less trauma is the reason planned cesarean is preferred for the term breech: in a vaginal breech birth the aftercoming head can be caught by a cervix that has not fully accommodated the body, causing injury. Diminished amounts of the blood with less seepage is false because abdominal birth increases operative blood loss rather than reducing it. Quicker recovery of the mother with less soreness is false because healing from major surgery takes longer than after a vaginal birth. Decreased checks of the monitor with less trouble is false because fetal surveillance continues right up to delivery whatever the route.

316. A patient with a known nonreassuring Category III tracing (absent variability with recurrent late decelerations) is being prepared for emergent cesarean. While the team mobilizes, the nurse implements intrauterine resuscitation. Which set of interventions is most appropriate?
     • Turn her laterally, stop the oxytocin, bolus IV fluid and oxygen
     • Lay her supine, restart the oxytocin, refuse IV fluid and oxygen
     • Push her fundus, double the oxytocin, ration IV fluid and oxygen
     • Keep her upright, boost the oxytocin, forbid IV fluid and oxygen

     Correct answer: Turn her laterally, stop the oxytocin, bolus IV fluid and oxygen

     Turn her laterally, stop the oxytocin, bolus IV fluid and oxygen is the correct resuscitation bundle: lateral tilt relieves aortocaval compression, halting oxytocin lowers uterine activity, a fluid bolus restores perfusion, and oxygen raises maternal saturation while surgery is mobilized. Lay her supine, restart the oxytocin, refuse IV fluid and oxygen reverses every one of those measures and deepens the hypoxia. Push her fundus, double the oxytocin, ration IV fluid and oxygen adds fundal pressure, which is never indicated, on top of more uterine stimulation. Keep her upright, boost the oxytocin, forbid IV fluid and oxygen leaves the caval compression unrelieved and withholds the two supports that improve fetal oxygenation.

317. A nurse caring for a laboring patient with an epidural notes the patient suddenly becomes anxious with circumoral numbness, ringing in the ears, and a metallic taste shortly after an epidural top-up dose. The nurse should suspect:
     • Postdural puncture headache from a small cerebral leakage
     • Systemic toxicity from an injected local anesthetic agent
     • Threatened eclampsia from a rapid arterial pressure surge
     • Sudden blockade from an unintended total spinal injection

     Correct answer: Systemic toxicity from an injected local anesthetic agent

     Systemic toxicity from an injected local anesthetic agent explains circumoral numbness, tinnitus, a metallic taste, and agitation minutes after a top-up, and it can progress to seizures and cardiac arrest unless the injection is stopped and lipid emulsion is given. Postdural puncture headache from a small cerebral leakage is wrong because that headache is positional and appears hours to days later, without tinnitus or perioral tingling. Threatened eclampsia from a rapid arterial pressure surge is wrong because it is preceded by severe hypertension, proteinuria, headache, and visual change rather than a metallic taste. Sudden blockade from an unintended total spinal injection is wrong because it produces rapid ascending motor block, hypotension, and respiratory failure rather than these early sensory warnings.

318. A patient is being induced and the nurse prepares an oxytocin infusion. Which baseline assessment is most essential before initiating the infusion?
     • The maternal blood type with the stored antibody screens
     • The prior hemoglobin value with the total platelet count
     • The fetal heart rhythm with the uterine activity pattern
     • The last oral intake with the requested analgesia option

     Correct answer: The fetal heart rhythm with the uterine activity pattern

     The fetal heart rhythm with the uterine activity pattern must be established first, because oxytocin can drive tachysystole and fetal compromise, and the starting dose and every later increase are titrated against those two readings. The maternal blood type with the stored antibody screens matters for transfusion planning but says nothing about whether it is safe to begin the infusion. The prior hemoglobin value with the total platelet count is likewise a hematologic datum that does not govern titration. The last oral intake with the requested analgesia option belongs to anesthesia planning and does not determine the safety of starting the drug.

319. A patient receiving oxytocin develops tachysystole with recurrent late decelerations and minimal variability. After stopping the oxytocin, repositioning, giving oxygen, and an IV bolus, the contractions remain excessive. The nurse anticipates the provider will order:
     • Intragastric or buccal methylergonovine therapy
     • Intrauterine or intravaginal carboprost therapy
     • Intracervical or prolonged dinoprostone therapy
     • Subcutaneous or intravenous terbutaline therapy

     Correct answer: Subcutaneous or intravenous terbutaline therapy

     Subcutaneous or intravenous terbutaline therapy is what the nurse should anticipate, because terbutaline is the beta-agonist tocolytic used to abolish excessive uterine activity once stopping the infusion and conservative measures have failed. Intragastric or buccal methylergonovine therapy is wrong because methylergonovine is an ergot uterotonic that would tighten the uterus further. Intrauterine or intravaginal carboprost therapy is wrong for the same reason, since a prostaglandin uterotonic intensifies contractions and would worsen the decelerations. Intracervical or prolonged dinoprostone therapy is wrong because dinoprostone is a ripening prostaglandin that also augments uterine activity rather than relaxing it.

320. A laboring patient at 5 cm is positioned supine and develops maternal hypotension with recurrent fetal decelerations. The most likely cause and immediate corrective action are:
     • Aortocaval compression; turn her to the left lateral side
     • Uterine relaxation; knead her to the steadier fundal tone
     • Occult hemorrhage; transfuse her to the full blood volume
     • Neuraxial failure; redose her to the dense epidural level

     Correct answer: Aortocaval compression; turn her to the left lateral side

     Aortocaval compression; turn her to the left lateral side is correct, because in the supine posture the heavy uterus presses on the vena cava and aorta, cutting venous return and uteroplacental flow, and a lateral tilt lifts that weight off at once. Uterine relaxation; knead her to the steadier fundal tone is wrong because a boggy fundus is a postpartum bleeding problem, not a cause of hypotension in a woman at five centimeters. Occult hemorrhage; transfuse her to the full blood volume is wrong because no bleeding is described and the pressure recovers with position alone. Neuraxial failure; redose her to the dense epidural level is wrong because more local anesthetic would deepen the sympathetic blockade and drop the pressure further.

321. During the second stage, a patient with a prolonged second stage and a fetus in the occiput posterior position would most benefit from which intervention to encourage rotation to occiput anterior?
     • Continuous supine bedrest with the chest and trunk flat
     • Repeated maternal posture with the hands and knees down
     • Dense epidural blockade with the motor and sensory loss
     • Urgent vacuum extraction with the cup and constant pull

     Correct answer: Repeated maternal posture with the hands and knees down

     Repeated maternal posture with the hands and knees down is the intervention of choice, because that posture opens the pelvic outlet, unloads the sacrum, and lets gravity swing the fetal back forward so the occiput can rotate anteriorly. Continuous supine bedrest with the chest and trunk flat fixes the fetus in place and removes the very mobility rotation depends on. Dense epidural blockade with the motor and sensory loss weakens the expulsive effort and further impairs rotation. Urgent vacuum extraction with the cup and constant pull skips the conservative measures that should be tried first while the fetal status remains reassuring.

322. A nurse caring for a patient in the latent phase of the first stage of labor would expect the cervix to dilate from:
     • From four to seven centimeters of early dilation
     • From eight to ten centimeters of faster dilation
     • From zero to roughly six centimeters of dilation
     • From ten centimeters of dilation to the delivery

     Correct answer: From zero to roughly six centimeters of dilation

     From zero to roughly six centimeters of dilation is the span of the latent phase under current terminology, during which contractions become organized and the cervix changes slowly. From four to seven centimeters of early dilation is wrong because it straddles the boundary and pulls active labor into the latent phase. From eight to ten centimeters of faster dilation is wrong because that is the closing part of the active phase, where progress is quickest. From ten centimeters of dilation to the delivery is wrong because it describes the second stage, which begins only once the first stage is finished.

323. A patient is at complete dilation but has no urge to push and the fetal head is at 0 station with reassuring fetal status. With an epidural in place, an appropriate evidence-based nursing approach is to:
     • Direct her firmly to strain the next contraction
     • Settle her shoulders to touch the level mattress
     • Press her fundus to quicken the newborn delivery
     • Allow her descent to precede the forceful effort

     Correct answer: Allow her descent to precede the forceful effort

     Allow her descent to precede the forceful effort is the evidence-based approach for a woman with an epidural, a high presenting part, and a reassuring tracing, because uterine forces bring the head lower while she rests, which shortens the time she must spend expending energy. Direct her firmly to strain the next contraction wastes maternal reserves at a high station and raises the chance of an exhausted, instrumental birth. Settle her shoulders to touch the level mattress worsens caval compression and narrows the pelvic outlet. Press her fundus to quicken the newborn delivery uses a maneuver that is not sanctioned and risks uterine and perineal injury.

324. A patient with a precipitous labor is about to deliver before the provider arrives. To reduce the risk of perineal laceration and a too-rapid head delivery, the nurse should:
     • Brace the perineum gently and guide the vertex between contractions
     • Press the fundus hard and squeeze the shoulder between contractions
     • Command the woman harshly and hurry the effort between contractions
     • Cut the episiotomy widely and hasten the birth between contractions

     Correct answer: Brace the perineum gently and guide the vertex between contractions

     Brace the perineum gently and guide the vertex between contractions is the safe technique: light counterpressure supports the stretched tissue, and letting the presenting part advance in the pauses keeps the expulsion slow enough to avoid a tear and a sudden decompression of the skull. Press the fundus hard and squeeze the shoulder between contractions applies pressure that is not sanctioned and can rupture or invert the uterus. Command the woman harshly and hurry the effort between contractions accelerates exactly the explosive birth that causes the laceration. Cut the episiotomy widely and hasten the birth between contractions substitutes a surgical wound for a possible tear and is not an independent nursing act.

325. A nurse reviews a Category II fetal heart rate tracing showing minimal variability and intermittent late decelerations during labor. To assess fetal acid-base status at the bedside, the nurse anticipates the provider may use:
     • A slow oxytocin challenge to trigger the contractions
     • A gentle scalp stimulation to elicit the acceleration
     • A maternal sedative infusion to deepen the drowsiness
     • A quicker forceps extraction to bypass the assessment

     Correct answer: A gentle scalp stimulation to elicit the acceleration

     A gentle scalp stimulation to elicit the acceleration is the bedside test the provider is likely to use, because a rise of fifteen beats for fifteen seconds after digital pressure on the scalp predicts a healthy pH and reassures without a blood sample. A slow oxytocin challenge to trigger the contractions is wrong because adding uterine activity to a tracing with late decelerations would deepen the very hypoxia being investigated. A maternal sedative infusion to deepen the drowsiness is wrong because it blunts the mother and can flatten the tracing further while telling nothing about acid-base status. A quicker forceps extraction to bypass the assessment is wrong because an indeterminate tracing calls for evaluation first, not instrumental delivery.

326. A patient at 40 weeks is admitted with spontaneous rupture of membranes and clear fluid but irregular, mild contractions and a closed cervix. Several hours later she is still 1 cm with poorly progressive contractions. The nurse recognizes this as which labor disorder?
     • Sustained arrest of fetal descent
     • Precipitous course of total birth
     • Protracted length of latent phase
     • Arrested dilation of active labor

     Correct answer: Protracted length of latent phase

     Protracted length of latent phase is the disorder described: contractions are present but the cervix has barely changed over many hours and has not reached the threshold at which active labor is diagnosed. Sustained arrest of fetal descent is wrong because that describes a stalled presenting part after full dilation, and this woman is barely open. Precipitous course of total birth is wrong because it names abnormally rapid labor, the opposite of what is happening. Arrested dilation of active labor is wrong because active labor was never established, so no active-phase arrest can be diagnosed.

327. A nurse is performing Leopold maneuvers on a term patient in early labor. During the first maneuver, the nurse palpates a firm, round, ballotable mass in the uterine fundus. This finding most likely indicates that the:
     • The smooth backbone curves in a maternal groove
     • The twisted infant reclines in a transverse lie
     • The anterior shoulder engages in a narrow inlet
     • The fetus itself rests in a breech presentation

     Correct answer: The fetus itself rests in a breech presentation

     The fetus itself rests in a breech presentation is the correct reading, because the hard, round, ballotable pole found in the fundus is the head, which means the softer, irregular buttocks occupy the lower uterine segment. The smooth backbone curves in a maternal groove is wrong because the back is identified by the second maneuver as a firm plane along one side, not as a ballotable mass in the fundus. The twisted infant reclines in a transverse lie is wrong because a transverse lie leaves both the fundus and the pelvis empty of any firm pole. The anterior shoulder engages in a narrow inlet is wrong because shoulder engagement is judged at the pelvic brim by the third and fourth maneuvers, not in the fundus.

328. A laboring patient is dilated 6 cm with contractions every 3 minutes lasting 60 seconds. Using current AWHONN/ACOG labor terminology, this patient is in which phase or stage of labor?
     • The active phase of the initial stage
     • The quiet phase of the earliest stage
     • The passive phase of the second stage
     • The descent phase of the second stage

     Correct answer: The active phase of the initial stage

     The active phase of the initial stage is correct: contemporary terminology places the change from latent to active labor at about six centimeters, so a woman at six centimeters with regular, well-established contractions has entered active labor while the cervix is still opening. The quiet phase of the earliest stage is wrong because latent labor ends at that same threshold and is marked by slow, irregular change. The passive phase of the second stage is wrong because the second stage cannot begin until the cervix is completely open. The descent phase of the second stage is wrong for the same reason, since descent to birth follows full dilation rather than preceding it.

329. A multiparous patient progresses from 4 cm to complete dilation and delivers within 2 hours of the onset of regular contractions. The nurse documents this as precipitous labor. By definition, precipitous labor is total labor lasting less than:
     • Under two hours of documented labor
     • Under three hours of measured labor
     • Under five hours of witnessed labor
     • Under twelve hours of charted labor

     Correct answer: Under three hours of measured labor

     Under three hours of measured labor is the definition of precipitous labor, timed from the onset of regular contractions to the birth of the infant. Under two hours of documented labor is wrong because it sets the bar tighter than the accepted definition and would exclude many births that qualify. Under five hours of witnessed labor and under twelve hours of charted labor are both wrong because those durations fall inside the normal range for a multipara and carry none of the tissue trauma, hemorrhage, or neonatal risk that the diagnosis is meant to signal.

330. During a vertex delivery the fetal head delivers but then retracts tightly against the perineum and external rotation fails to occur (the turtle sign). The nurse should immediately:
     • Call for help and compress the maternal fundus down steadily
     • Call for help and extract the impacted vertex out forcefully
     • Call for help and begin the McRoberts thigh flexion maneuver
     • Call for help and complete the Rubin anterior shoulder twist

     Correct answer: Call for help and begin the McRoberts thigh flexion maneuver

     Call for help and begin the McRoberts thigh flexion maneuver is the immediate response to the turtle sign, because hyperflexing the thighs onto the abdomen flattens the sacral promontory and rotates the symphysis upward, freeing the impacted anterior shoulder in most cases. Call for help and compress the maternal fundus down steadily is wrong because fundal pressure drives the shoulder harder against the bone and can rupture the uterus. Call for help and extract the impacted vertex out forcefully is wrong because heavy traction on the head stretches the brachial plexus and causes lasting nerve injury. Call for help and complete the Rubin anterior shoulder twist is wrong as a first move, since internal rotational maneuvers are reserved for after the external ones have failed.

331. When suprapubic pressure is applied to relieve a shoulder dystocia, the pressure is correctly directed:
     • Backward and inward just above the sacral hollow toward the coccyx
     • Straight and still just above the uterine fundus toward the cervix
     • Upward and outward just above the maternal abdomen toward the ribs
     • Downward and sideways just above the pubic bone toward the sternum

     Correct answer: Downward and sideways just above the pubic bone toward the sternum

     Downward and sideways just above the pubic bone toward the sternum describes suprapubic pressure correctly: the heel of the hand sits over the impacted shoulder and pushes it down and across the chest, adducting it into the wider oblique diameter of the pelvis. Backward and inward just above the sacral hollow toward the coccyx is wrong because pressure directed at the back of the pelvis cannot reach a shoulder wedged behind the pubic bone. Straight and still just above the uterine fundus toward the cervix is wrong because that is fundal pressure, which worsens the impaction. Upward and outward just above the maternal abdomen toward the ribs is wrong because lifting the uterus does nothing to displace the shoulder off the bone.

332. In managing shoulder dystocia, after McRoberts and suprapubic pressure fail, the provider rotates the posterior shoulder by pressing on its posterior aspect to rotate the fetus. This internal rotational technique is known as the:
     • The Woods corkscrew rotation maneuver
     • The Ritgen perineal pressure maneuver
     • The Zavanelli head reduction maneuver
     • The Andrews placenta release maneuver

     Correct answer: The Woods corkscrew rotation maneuver

     The Woods corkscrew rotation maneuver is the internal technique named here, in which the operator reaches in and turns the fetus so the impacted shoulders leave the narrow anteroposterior diameter of the pelvis. The Ritgen perineal pressure maneuver is wrong because it controls the emerging head at an ordinary birth and has nothing to do with a trapped shoulder. The Zavanelli head reduction maneuver is wrong because it is the last-resort replacement of the head into the uterus before cesarean, not a rotational step. The Andrews placenta release maneuver is wrong because the Brandt-Andrews technique guides the placenta out in the third stage, after the infant is already born.

333. A patient undergoing oxytocin induction has the fetal monitor show six contractions in a 10-minute window averaged over 30 minutes, accompanied by recurrent late decelerations. The nurse recognizes tachysystole with a Category II tracing. The priority nursing action is to:
     • Push the oxytocin higher and press her onto her level back
     • Stop the oxytocin drip and shift her onto her lateral side
     • Double the oxytocin dose and settle her onto her rigid bed
     • Keep the oxytocin steady and place her onto her tall chair

     Correct answer: Stop the oxytocin drip and shift her onto her lateral side

     Stop the oxytocin drip and shift her onto her lateral side is the priority: more than five contractions in ten minutes leaves too little relaxation time for the intervillous space to refill, so removing the stimulant and lifting the uterus off the great vessels restores placental perfusion within minutes. Push the oxytocin higher and press her onto her level back would multiply the contractions causing the decelerations and add caval compression. Double the oxytocin dose and settle her onto her rigid bed worsens the excess stimulation the tracing is already reacting to. Keep the oxytocin steady and place her onto her tall chair leaves the uterus overstimulated, and sitting her up does nothing to reduce contraction frequency.

334. A nurse is preparing a patient for induction. The cervix is 1 cm dilated, 30 percent effaced, firm, posterior, with the fetal head at -3 station, giving an unfavorable Bishop score. The most appropriate first step before starting an oxytocin infusion is to:
     • Start a vigorous oxytocin infusion and forgo delay or preparation
     • Postpone the induction until a spontaneous shift or onset appears
     • Give dinoprostone or misoprostol early to soften the rigid tissue
     • Rupture the amniotic membranes now to quicken dilation or descent

     Correct answer: Give dinoprostone or misoprostol early to soften the rigid tissue

     Give dinoprostone or misoprostol early to soften the rigid tissue is the correct first step, because a firm, closed, posterior cervix with a high presenting part will not respond well to a stimulant alone, and a prostaglandin agent, or a transcervical balloon, prepares it and raises the chance of a vaginal birth. Start a vigorous oxytocin infusion and forgo delay or preparation is wrong because stimulating an unprepared cervix drives up the failed-induction and cesarean rate. Postpone the induction until a spontaneous shift or onset appears is wrong because a medical indication for delivery does not wait on spontaneous change. Rupture the amniotic membranes now to quicken dilation or descent is wrong because breaking the membranes commits to delivery while the cervix is still unfavorable.

335. A patient receives an epidural for labor analgesia. Within 10 minutes the nurse notes the maternal blood pressure has dropped from 124/76 to 86/50 and the fetal heart rate shows a prolonged deceleration. The nurse's priority intervention is to:
     • Settle her onto her spine and refuse a small IV infusion
     • Elevate her onto her cushion and reduce a steady IV feed
     • Roll her onto her stomach and deliver a swift IV blocker
     • Reposition her onto her side and infuse a rapid IV bolus

     Correct answer: Reposition her onto her side and infuse a rapid IV bolus

     Reposition her onto her side and infuse a rapid IV bolus is the priority, because sympathetic blockade from the epidural has dilated the vessels and dropped the pressure, and side-lying plus rapid crystalloid restores venous return and uteroplacental flow before a vasopressor is needed. Settle her onto her spine and refuse a small IV infusion withholds the volume that corrects the problem and adds caval compression. Elevate her onto her cushion and reduce a steady IV feed worsens pooling below the block and starves her of circulating volume. Roll her onto her stomach and deliver a swift IV blocker treats a compensatory tachycardia that is protecting her perfusion, and prone positioning is not possible in labor.

336. A patient who is GBS-positive on her 36-week screen presents in active labor. The provider orders intrapartum antibiotic prophylaxis. For a patient with no penicillin allergy, the recommended regimen in the United States is intravenous penicillin G:
     • Five million units at first, then two and a half to three million units four hourly
     • Seven million units at first, then one and a half to six million units eight hourly
     • Ten million units at first, then one and a half to eight million units seven hourly
     • One million units at first, then nine and a half to ten million units twelve hourly

     Correct answer: Five million units at first, then two and a half to three million units four hourly

     Five million units at first, then two and a half to three million units four hourly is the recommended intravenous penicillin G regimen for a woman with no penicillin allergy, and adequate prophylaxis needs the first dose at least four hours before birth to build protective levels in the amniotic fluid. Seven million units at first, then one and a half to six million units eight hourly is wrong on both the loading amount and the interval, which is too long to hold levels. Ten million units at first, then one and a half to eight million units seven hourly overshoots the load and again spaces the doses too widely. One million units at first, then nine and a half to ten million units twelve hourly inverts the pattern, underloading and then overdosing far too rarely to prevent early-onset neonatal disease.

337. Meconium-stained amniotic fluid is noted when the membranes rupture during labor. The nurse understands that the most appropriate management of a vigorous newborn born through meconium-stained fluid is to:
     • Insert a narrow tube, suction the trachea, and dry afterward
     • Offer a warmed blanket, dry the infant, and stimulate softly
     • Defer a first touch, request the radiograph, and simply wait
     • Instill a surfactant dose, seal the mask, and inflate slowly

     Correct answer: Offer a warmed blanket, dry the infant, and stimulate softly

     Offer a warmed blanket, dry the infant, and stimulate softly is correct for a vigorous baby, because current resuscitation guidance abandoned reflex airway instrumentation for these infants and reserves suction for an actual obstruction. Insert a narrow tube, suction the trachea, and dry afterward is wrong because that routine tracheal suctioning is exactly the practice withdrawn once trials showed no benefit. Defer a first touch, request the radiograph, and simply wait is wrong because withholding warmth and drying lets a healthy baby cool while a film adds nothing. Instill a surfactant dose, seal the mask, and inflate slowly is wrong because surfactant and positive pressure treat established respiratory failure, not a well baby.

338. During the second stage of labor, the fetal heart rate baseline is 140 bpm with moderate variability and repetitive U-shaped decelerations that drop abruptly to 100 bpm at the onset of each contraction and return abruptly to baseline as the contraction ends. These decelerations are best described as:
     • Early decelerations from constant pressure on the cranium
     • Late decelerations from reduced perfusion of the placenta
     • Variable decelerations from tight compression of the cord
     • Sinusoidal decelerations from chronic anemia of the fetus

     Correct answer: Variable decelerations from tight compression of the cord

     Variable decelerations from tight compression of the cord is the right description, because the sharp fall and equally sharp return, with a U or V outline, is the signature of an abruptly occluded umbilical vessel rather than a slow reflex change. Early decelerations from constant pressure on the cranium is wrong because head compression makes a smooth, gradual, mirror-image dip, not an abrupt one. Late decelerations from reduced perfusion of the placenta is wrong because their lowest point falls after the peak of the contraction and their descent is gradual. Sinusoidal decelerations from chronic anemia of the fetus is wrong because a sinusoidal picture is a smooth undulating baseline with no decelerations at all.

339. A laboring patient with a prior low-transverse cesarean is being evaluated as a VBAC candidate. Which of the following findings would most strongly contraindicate a trial of labor after cesarean?
     • A solitary intact small transverse incision from surgery
     • A skillfully sutured short segment incision from surgery
     • A double layered anterior muscular incision from surgery
     • A recorded classical high vertical incision from surgery

     Correct answer: A recorded classical high vertical incision from surgery

     A recorded classical high vertical incision from surgery is the finding that most strongly contraindicates a trial of labor, because a scar running through the contractile upper segment separates far more often, and often without warning, than one in the quiet lower segment. A solitary intact small transverse incision from surgery is wrong because that is the very scar that makes a woman a good candidate. A skillfully sutured short segment incision from surgery is wrong for the same reason, since a well-healed repair confined to the quiet lower segment supports rather than forbids a trial. A double layered anterior muscular incision from surgery is wrong because the closure technique is not what determines eligibility; the level and direction of the scar are.

340. A patient suddenly develops profound hypotension, hypoxia, and seizure activity moments after artificial rupture of membranes, followed rapidly by signs of coagulopathy with oozing from her IV site. The nurse recognizes this classic triad as most consistent with:
     • A catastrophic amniotic fluid embolus
     • A large unnoticed placental abruption
     • A violent fulminant eclamptic seizure
     • A grave pulmonary thrombotic embolism

     Correct answer: A catastrophic amniotic fluid embolus

     A catastrophic amniotic fluid embolus fits the triad exactly: cardiorespiratory collapse, neurologic compromise, and a consumptive coagulopathy appearing within minutes of membrane rupture, which is the recognized presentation and demands immediate resuscitation with blood and clotting factors. A large unnoticed placental abruption is wrong because it presents with a tense, tender uterus and pain building over time rather than instant collapse. A violent fulminant eclamptic seizure is wrong because eclampsia follows severe hypertension and does not produce hypoxic collapse with a bleeding diathesis. A grave pulmonary thrombotic embolism is wrong because a clot obstructs the pulmonary circulation without consuming clotting factors, so the oozing from puncture sites would be absent.

341. During labor a multiparous patient with prior cesarean reports sudden severe abdominal pain, the fetal presenting part is noted to recede on examination, and the fetal heart rate drops to a prolonged bradycardia. Which additional finding would most support a diagnosis of uterine rupture?
     • Increase of contractions together with steady regular pulse
     • Loss of station together with maternal circulatory collapse
     • Recovery of accelerations together with wide baseline shift
     • Outflow of hemorrhage together with painless brighter blood

     Correct answer: Loss of station together with maternal circulatory collapse

     Loss of station together with maternal circulatory collapse is the finding that most supports rupture, because the presenting part withdraws once the uterine wall gives way and the fetus moves into the abdomen, while blood pours into the peritoneum and the mother becomes tachycardic and hypotensive. Increase of contractions together with steady regular pulse is wrong because rupture typically brings contractions to a halt or changes their character, and the pulse does not stay steady. Recovery of accelerations together with wide baseline shift is wrong because a recovering tracing argues against rupture rather than for it. Outflow of hemorrhage together with painless brighter blood is wrong because painless bright bleeding is the hallmark of placenta previa, and this woman has severe pain.

342. On vaginal examination during labor, the nurse palpates a pulsating, cord-like structure ahead of the fetal presenting part after the membranes rupture. While calling for emergency assistance, the most appropriate immediate intervention is to:
     • Draw the bare fingers away and walk the weary woman onward
     • Press the broad palm down and drive the stuck infant ahead
     • Keep the gloved hand inside and lift the vertex well clear
     • Tuck the slack cord back and settle the limp tissue gently

     Correct answer: Keep the gloved hand inside and lift the vertex well clear

     Keep the gloved hand inside and lift the vertex well clear is the immediate action for an overt prolapse, because manual elevation of the presenting part off the cord is the only measure that takes the weight off the compressed vessel while the team readies an operating room. Draw the bare fingers away and walk the weary woman onward is wrong because withdrawing the hand lets the presenting part settle back down and walking adds pressure with every step. Press the broad palm down and drive the stuck infant ahead is wrong because fundal pressure forces the presenting part harder onto the trapped vessel. Tuck the slack cord back and settle the limp tissue gently is wrong because handling and replacing the cord provokes vasospasm and does nothing to relieve the compression.

343. A nurse is teaching a student about the three phases of the first stage of labor. The latent phase is best characterized by:
     • Change from six to ten with a sudden cervical descent
     • Passage from ten to birth with a strong maternal push
     • Release from womb to outside with a brief blood flush
     • Dilation from zero to five with a slow gradual course

     Correct answer: Dilation from zero to five with a slow gradual course

     Dilation from zero to five with a slow gradual course characterizes the latent phase, in which contractions are still becoming organized and the cervix opens slowly and irregularly. Change from six to ten with a sudden cervical descent is wrong because that is the active phase, defined by its quicker rate of opening. Passage from ten to birth with a strong maternal push is wrong because it describes the second stage, which starts only once the cervix is completely open. Release from womb to outside with a brief blood flush is wrong because that is the third stage, after the infant has been born.

344. A nurse documents cervical examination findings during labor. The term station refers to:
     • The level of the fetal presentation against the maternal ischial spines
     • The measure in centimeters across the cervical canal at fullest stretch
     • The percentage of the uterine neck appreciably thinned before the birth
     • The firmness of the cervical tissue detected between the gloved fingers

     Correct answer: The level of the fetal presentation against the maternal ischial spines

     The level of the fetal presentation against the maternal ischial spines is what station means, reported in centimeters from minus five to plus five, with zero meaning the leading bony part has reached the plane of the spines. The measure in centimeters across the cervical canal at fullest stretch is dilation, not station. The percentage of the uterine neck appreciably thinned before the birth is effacement, a separate parameter. The firmness of the cervical tissue detected between the gloved fingers is consistency, which contributes to the Bishop score but says nothing about how far the fetus has descended.

345. A patient with intact membranes is dilated 7 cm. The provider performs an amniotomy and immediately the fetal heart rate shows recurrent variable decelerations. After repositioning fails to fully resolve them, an order is given for amnioinfusion. The primary purpose of amnioinfusion in this situation is to:
     • Widen the cervix quicker with a stronger uterine force
     • Cushion the squeezed cord with a restored fluid volume
     • Boost the contractions harder with a tight muscle grip
     • Rinse the meconium outward with a thorough airway wash

     Correct answer: Cushion the squeezed cord with a restored fluid volume

     Cushion the squeezed cord with a restored fluid volume is the purpose of amnioinfusion: warmed saline replaces the buffer lost when the membranes were opened, so the cord is no longer pinched between the fetus and the uterine wall, and the variable decelerations settle. Widen the cervix quicker with a stronger uterine force is wrong because instilled fluid does not dilate the cervix. Boost the contractions harder with a tight muscle grip is wrong because amnioinfusion is not a uterine stimulant and if anything dilutes the intrauterine environment. Rinse the meconium outward with a thorough airway wash is wrong because fluid in the uterus cannot clear an airway, and dilution of meconium is no longer an accepted indication.

346. Using the current ACOG reVITALize definition, postpartum hemorrhage is best described as:
     • Charted loss of five hundred milliliters or above, or loss with poor hematocrit, inside a week of forceps or suction birth
     • Rapid loss of twelve hundred milliliters or above, or loss with transfused cells, inside a week of breech or planned birth
     • Total loss of one thousand milliliters or above, or loss with hypovolemic signs, inside a day of vaginal or surgical birth
     • Gradual loss of three thousand milliliters or above, or loss with quickened pulse, inside a month of preterm or term birth

     Correct answer: Total loss of one thousand milliliters or above, or loss with hypovolemic signs, inside a day of vaginal or surgical birth

     Total loss of one thousand milliliters or above, or loss with hypovolemic signs, inside a day of vaginal or surgical birth is the current unified definition, deliberately written so that one threshold covers both routes and so that a smaller loss still counts when the woman shows signs of low circulating volume. Charted loss of five hundred milliliters or above, or loss with poor hematocrit, inside a week of forceps or suction birth is wrong because the old route-specific figure was retired and a hematocrit lags too far behind real-time bleeding. Rapid loss of twelve hundred milliliters or above, or loss with transfused cells, inside a week of breech or planned birth is wrong because it sets the volume too high and makes transfusion the criterion. Gradual loss of three thousand milliliters or above, or loss with quickened pulse, inside a month of preterm or term birth is wrong because that volume would delay the diagnosis until the woman is already in shock, and the window stretches far past the puerperal risk period.

347. A nurse is teaching a new graduate the leading cause of early postpartum hemorrhage. Which condition accounts for the majority of cases?
     • A retained placental fragment
     • A profound vaginal laceration
     • A minor maternal coagulopathy
     • A persistent myometrial atony

     Correct answer: A persistent myometrial atony

     A persistent myometrial atony accounts for roughly seven or eight cases in every ten, because once the muscle fails to clamp down the spiral arteries at the placental site stay open and bleed freely. A retained placental fragment is a real but far less frequent cause, and it usually keeps the uterus from contracting only because tissue is still in the cavity. A profound vaginal laceration produces steady bleeding beside a firm, well-contracted fundus, which is the opposite finding. A minor maternal coagulopathy is the least common of the four and typically follows rather than starts the hemorrhage.

348. A nurse assessing a woman two hours after vaginal birth palpates a uterus that is soft, difficult to locate, and above the umbilicus, with a steady trickle of bright red blood. What is the priority intervention?
     • Work a firm fundal massage and brace the segment
     • Pass a thin catheter and drain the tense bladder
     • Press a chill pack and cool the swollen perineum
     • Start a large cannula and send the urgent sample

     Correct answer: Work a firm fundal massage and brace the segment

     Work a firm fundal massage and brace the segment is the priority, because a soft, high, hard-to-find uterus with continuing red loss means the muscle is not clamping the placental bed; massage restores tone within seconds while the second hand steadies the lower uterine segment against inversion. Pass a thin catheter and drain the tense bladder is a reasonable follow-on if the bladder is full, but it delays the one action that stops the bleeding now. Press a chill pack and cool the swollen perineum treats perineal edema and does nothing for the uterus. Start a large cannula and send the urgent sample belongs in a hemorrhage protocol but is not the first act at the bedside.

349. When performing fundal massage on a postpartum woman, the correct technique includes:
     • Rub the fundus roughly with one hand and claw with the other
     • Cup the fundus gently with one hand and brace with the other
     • Force the fundus down with one hand and press with the other
     • Pinch the fundus tight with one hand and pull with the other

     Correct answer: Cup the fundus gently with one hand and brace with the other

     Cup the fundus gently with one hand and brace with the other is the correct technique, because the massaging hand works the contractile upper segment in a circular motion while the second hand sits just above the pubic bone and anchors the lower uterine segment so the uterus cannot be pushed through itself. Rub the fundus roughly with one hand and claw with the other is wrong because pain is not the endpoint and unbraced deep pressure risks inversion. Force the fundus down with one hand and press with the other is wrong because sustained downward pressure on a soft uterus is the classic mechanism of inversion. Pinch the fundus tight with one hand and pull with the other is wrong because pinching and traction bruise tissue without stimulating the broad circular massage that restores tone.

350. After massage and oxytocin fail to control bleeding from uterine atony, the provider orders methylergonovine. Before administering it, the nurse must verify the absence of:
     • Painful bilateral renal stones
     • Mild dietary diabetes mellitus
     • Raised arterial blood pressure
     • Severe reactive airway disease

     Correct answer: Raised arterial blood pressure

     Raised arterial blood pressure is what must be excluded, because this ergot alkaloid constricts smooth muscle throughout the body and can push an already high pressure into a hypertensive crisis or stroke, so a preeclamptic or chronically hypertensive woman must not receive it. Painful bilateral renal stones is wrong because stones neither alter the drug's action nor its safety. Mild dietary diabetes mellitus is wrong because glucose handling is unaffected by the drug. Severe reactive airway disease is the trap: bronchospasm is the concern with the prostaglandin carboprost, not with this ergot.

351. A woman with persistent uterine atony and asthma needs a second-line uterotonic. Which agent should be avoided because of her respiratory history?
     • The standard oxytocin infusion
     • The adjuvant tranexamic dosage
     • The vaginal misoprostol tablet
     • The injectable carboprost drug

     Correct answer: The injectable carboprost drug

     The injectable carboprost drug is the one to avoid, because this fifteen-methyl prostaglandin F analogue constricts bronchial smooth muscle and can trigger severe bronchospasm in a woman with reactive airways. The standard oxytocin infusion is safe in asthma and remains first-line. The adjuvant tranexamic dosage is an antifibrinolytic given to limit bleeding rather than a uterotonic, and it carries no respiratory caution. The vaginal misoprostol tablet is a different prostaglandin that does not provoke bronchospasm and is the usual substitute for this woman.

352. The five components scored in the Apgar assessment are:
     • Heart rate, muscle tone, systolic pressure, peripheral perfusion, and color
     • Heart rate, muscle tone, body measurements, gestational maturity, and color
     • Heart rate, muscle tone, respiratory effort, reflex irritability, and color
     • Heart rate, muscle tone, axillary temperature, capillary glucose, and color

     Correct answer: Heart rate, muscle tone, respiratory effort, reflex irritability, and color

     The five scored components are heart rate, muscle tone, respiratory effort, reflex irritability, and color, each awarded zero, one, or two points; the mnemonic APGAR captures appearance, pulse, grimace, activity, and respiration. Systolic pressure and peripheral perfusion are circulatory measures that sit outside the score entirely. Body measurements and gestational maturity belong to growth plotting and the Ballard maturity exam, not to this score. Axillary temperature and capillary glucose are transition parameters charted separately from it.

353. A newborn at one minute has a heart rate of 90, slow irregular gasping respirations, some flexion of extremities, a grimace to suctioning, and a body that is pink with blue hands and feet. What is the Apgar score?
     • Nine
     • Six
     • Four
     • Five

     Correct answer: Five

     The total is Five. A heart rate under one hundred scores one, slow irregular gasping respirations score one, some flexion of the extremities scores one, a grimace to suctioning scores one, and a pink body with blue hands and feet scores one. Nine would mean only the color lost a point, which ignores the low heart rate, the gasping breaths, the partial flexion, and the mere grimace. Six over-scores a single component, most often reading the slow irregular respirations as vigorous. Four under-scores by one, usually by counting the grimace as no response when a grimace was in fact present.

354. A nurse explains Apgar interpretation to a family. A 5-minute Apgar score of 7 to 10 is interpreted as:
     • Reassuring, and inside the healthy newborn range
     • Depressed, and calling for the rapid ventilation
     • Critical, and demanding the urgent airway rescue
     • Uncertain, and awaiting the repeat scoring later

     Correct answer: Reassuring, and inside the healthy newborn range

     A 5-minute total of 7 to 10 is reassuring, and inside the healthy newborn range, so ordinary transition care simply continues. A total of 4 to 6 is the depressed band and 0 to 3 is the critical band, so neither rapid ventilation nor urgent airway rescue is signaled by a value in this range. The result is not uncertain either: awaiting repeat scoring past 5 minutes is reserved for the infant whose value stays below 7, which is not the case here.

355. The Apgar score should NOT be used to:
     • Record the newborn status after a completed birth resuscitation
     • Dictate the immediate bedside steps for a newborn resuscitation
     • Convey the newborn response to resuscitation over several hours
     • Extend scoring for the newborn whose resuscitation stays active

     Correct answer: Dictate the immediate bedside steps for a newborn resuscitation

     The score must not dictate the immediate bedside steps for a newborn resuscitation; those steps are driven by continuous assessment of respirations, heart rate, and oxygenation, acted on within seconds rather than at the 1-minute mark. Recording the newborn status after a completed birth resuscitation is a legitimate documentation use, and conveying the newborn response to resuscitation over several hours is exactly what the serial values are for. Extending scoring for the newborn whose resuscitation stays active is likewise standard whenever the value remains below 7.

356. On a routine newborn assessment, which finding is a normal variant rather than a sign of pathology?
     • A tense bulging of the anterior fontanelle at two hours
     • A single crease across each palmar surface at two hours
     • Bluish discoloration of the hands and feet at two hours
     • Grunting and nasal flaring with poor color at two hours

     Correct answer: Bluish discoloration of the hands and feet at two hours

     Bluish discoloration of the hands and feet at two hours is acrocyanosis, an expected peripheral vasomotor pattern during the first 24 to 48 hours that resolves as circulation matures and needs no treatment. A tense bulging of the anterior fontanelle at two hours points instead to raised intracranial pressure. A single crease across each palmar surface at two hours is associated with chromosomal anomalies such as trisomy 21 and prompts a fuller dysmorphology review. Grunting and nasal flaring with poor color at two hours is respiratory distress and calls for immediate evaluation rather than reassurance.

357. During the initial newborn assessment a nurse notes the head circumference, length, and weight should be measured and plotted. The primary purpose of plotting these on a growth curve is to:
     • Convert the newborn growth to a medicine dose, naming BSA or TBW
     • Connect the newborn growth to a jaundice risk, naming TSB or DAT
     • Relate the newborn growth to a chest disorder, naming RDS or TTN
     • Match the newborn growth to a gestational age, naming SGA or LGA

     Correct answer: Match the newborn growth to a gestational age, naming SGA or LGA

     Plotting weight, length, and head circumference lets the nurse match the newborn growth to a gestational age, naming SGA or LGA, and each of those categories carries its own risk set, notably hypoglycemia at both extremes. Converting the newborn growth to a medicine dose is a separate calculation that uses weight directly and never needs a curve. Connecting the newborn growth to a jaundice risk is done with an hour-specific bilirubin nomogram, not a growth curve. Relating the newborn growth to a chest disorder confuses growth classification with respiratory assessment, which rests on work of breathing and oxygenation.

358. A nurse performs a gestational age assessment using the New Ballard Score. This tool estimates maturity based on:
     • Physical and neuromuscular maturity markers
     • Menstrual and ultrasound maturity estimates
     • Birthweight and length maturity percentiles
     • Metabolic and hormonal maturity assessments

     Correct answer: Physical and neuromuscular maturity markers

     The New Ballard Score sums physical and neuromuscular maturity markers: posture, square window, arm recoil, popliteal angle, scarf sign, and heel to ear on one side, and skin, lanugo, plantar surface, breast bud, eye and ear, and genitalia on the other. Menstrual and ultrasound maturity estimates are prenatal dating methods the tool is designed to work without. Birthweight and length percentiles describe growth, and an infant can be small or large at any given gestational age, so they cannot establish maturity. Metabolic and hormonal maturity assessments play no part in this scoring system.

359. Which newborn reflex is elicited by stroking the cheek and is essential for successful breastfeeding?
     • The plantar reflex
     • The rooting reflex
     • The startle reflex
     • The placing reflex

     Correct answer: The rooting reflex

     The rooting reflex is what a stroked cheek or mouth corner elicits: the newborn turns the head toward the stimulus and opens the mouth, which is how the infant finds and takes the nipple. The plantar reflex is toe curling in response to pressure on the sole. The startle reflex is the sudden symmetric extension and abduction of the limbs after a jolt or loud noise. The placing reflex is the step-up motion made when the top of the foot brushes an edge. None of those three orient the infant toward the breast.

360. A normal umbilical artery cord blood gas in a vigorous term newborn would most likely show:
     • A measure of pH 7.6 and a base excess of +9 mEq/L
     • A value of pH 6.95 and a base excess of -14 mEq/L
     • A result of pH 7.26 and a base excess of -3 mEq/L
     • A report of pH 7.0 and a base excess of -16 mEq/L

     Correct answer: A result of pH 7.26 and a base excess of -3 mEq/L

     A vigorous term newborn typically gives a result of pH 7.26 and a base excess of -3 mEq/L; mean umbilical artery pH sits near 7.24 to 7.27 with a base excess only slightly negative. A measure of pH 7.6 and a base excess of +9 mEq/L is a marked alkalemia that no healthy cord sample produces. A value of pH 6.95 and a base excess of -14 mEq/L carries a base deficit past the 12 mEq/L threshold that marks significant metabolic acidemia. A report of pH 7.0 and a base excess of -16 mEq/L is further past that same threshold, so both describe a severely compromised infant rather than a vigorous one.

361. A cord arterial gas shows pH 6.96 and base deficit 13 mmol/L. This pattern is consistent with:
     • Prolonged hypocapnic alkalosis
     • Unremarkable acid-base pattern
     • Untreated respiratory acidosis
     • Significant metabolic acidemia

     Correct answer: Significant metabolic acidemia

     A pH of 6.96 together with a base deficit of 13 mmol/L meets both halves of the definition of significant metabolic acidemia: pH under 7.00 plus a base deficit of 12 mmol/L or more, reflecting fixed acid built up by anaerobic metabolism during hypoxia. Prolonged hypocapnic alkalosis would push the pH up rather than down. An unremarkable acid-base pattern is excluded by the pH and the deficit together. Untreated respiratory acidosis lowers pH through retained carbon dioxide while the base excess stays near zero, so it cannot explain a deficit of 13.

362. A cord gas reveals a low pH with an elevated PCO2 but a base excess within the normal range. The nurse interprets this as primarily:
     • Largely respiratory acidemia
     • Primarily metabolic acidemia
     • Uncompensated mixed acidemia
     • Erroneously sampled acidemia

     Correct answer: Largely respiratory acidemia

     A low pH driven by a high PCO2 while the base excess stays in range is a largely respiratory acidemia, usually from impaired gas exchange such as acute cord compression, and it corrects rapidly once effective ventilation is established. A primarily metabolic acidemia would show a large base deficit, which this gas does not. An uncompensated mixed acidemia would need both the raised PCO2 and a big base deficit, and only one of those is present. An erroneously sampled acidemia is not supported either, because the three values form an internally consistent picture rather than a random artifact.

363. When obtaining paired umbilical cord gases, the arterial sample (as opposed to the venous sample) best reflects:
     • The maternal uterine and placental flow at birth
     • The fetal acid-base and metabolic state at birth
     • The amniotic fluid and membrane content at birth
     • The newborn breathing and oxygen uptake at birth

     Correct answer: The fetal acid-base and metabolic state at birth

     The umbilical artery carries blood away from the fetus toward the placenta, so it captures the fetal acid-base and metabolic state at birth. The maternal uterine and placental flow at birth is what the umbilical vein mirrors, since that vessel returns oxygenated blood from the placenta. The amniotic fluid and membrane content at birth is never sampled by a cord gas. The newborn breathing and oxygen uptake at birth starts after the cord was clamped and drawn, so no cord value can describe it; paired sampling exists mainly to confirm a true arterial draw.

364. Which newborn is at greatest risk for hypoglycemia and should be screened in the first hours of life?
     • A vigorous infant of a screened nondiabetic normotensive mother
     • A breastfed infant of a healthy euglycemic uncomplicated mother
     • A high-percentile infant of a poorly controlled diabetic mother
     • A well-grown infant of a young normoglycemic primigravid mother

     Correct answer: A high-percentile infant of a poorly controlled diabetic mother

     The greatest risk belongs to a high-percentile infant of a poorly controlled diabetic mother, that is a large-for-gestational-age infant of a diabetic mother, because chronic fetal hyperinsulinemia keeps driving glucose down once the maternal supply is cut at the cord. A vigorous infant of a screened nondiabetic normotensive mother has no such insulin drive and no growth extreme. A breastfed infant of a healthy euglycemic uncomplicated mother is already feeding and appropriately grown, so routine screening is not indicated. A well-grown infant of a young normoglycemic primigravid mother also falls outside the screened groups, which are the large, the small, the preterm and late-preterm, and the stressed.

365. A late-preterm infant becomes jittery, has a weak high-pitched cry, poor feeding, and hypotonia at three hours of age. The nurse recognizes these as signs of:
     • Physiologic jaundice
     • Compression swelling
     • Postnatal adaptation
     • Newborn hypoglycemia

     Correct answer: Newborn hypoglycemia

     Jitteriness, a weak high-pitched cry, poor feeding, and hypotonia at three hours in a late-preterm infant are the classic picture of newborn hypoglycemia; because the signs are nonspecific, a point-of-care glucose should be drawn at once and confirmed by a laboratory method. Physiologic jaundice presents as yellow skin and sclerae, not as neurologic or feeding change. Compression swelling describes the soft scalp edema of caput succedaneum, which produces no systemic signs at all. Postnatal adaptation does not include jitteriness with hypotonia; an infant completing transition feeds well and holds tone.

366. Per current AAP guidance, a symptomatic newborn in the first 24 hours with a confirmed glucose below which value warrants prompt intravenous glucose treatment?
     • 40 mg per dL
     • 25 mg per dL
     • 55 mg per dL
     • 70 mg per dL

     Correct answer: 40 mg per dL

     For a symptomatic newborn in the first 24 hours, a confirmed glucose below 40 mg per dL is the operational threshold that calls for prompt intravenous glucose rather than another feed and recheck. 25 mg per dL belongs to the lower tiered scheme used for an asymptomatic at-risk infant during the first 4 hours, so applying it to a symptomatic infant would delay treatment badly. 55 mg per dL and 70 mg per dL sit above every neonatal treatment threshold, and treating at those levels would place a line in nearly every newborn during the ordinary transitional dip.

367. An asymptomatic at-risk newborn has a pre-feed screening glucose of 30 mg/dL at two hours of life. According to standard protocol, the appropriate first action is to:
     • Skip the feed, redraw the glucose in six hours, and hold off IV dextrose
     • Offer a feed, recheck the glucose, and add IV dextrose on the low repeat
     • Rub a glucose gel, feed once, send the pair home, and cancel IV dextrose
     • Push an IV dextrose bolus now, then feed and retest the glucose later on

     Correct answer: Offer a feed, recheck the glucose, and add IV dextrose on the low repeat

     For an asymptomatic at-risk infant with a low screening value the protocol is to offer a feed, recheck the glucose, and add IV dextrose on the low repeat, commonly with buccal dextrose gel alongside the feed. Skipping the feed and redrawing the glucose in six hours leaves the infant unfed through the exact window in which the value can fall further. Rubbing in a gel, feeding once, and sending the pair home cancels the required recheck and discharges an infant whose glucose has never been shown to recover. Pushing an IV dextrose bolus now is reserved for the symptomatic infant or a profoundly low value, so it overtreats this one.

368. Two hours after a forceps-assisted vaginal birth, a woman has a firm midline fundus but continues to pass a steady stream of bright red blood. The most likely source of this bleeding is:
     • A sudden lapse in the uterine tone
     • A stuck lobe of the placental disk
     • A recent tear in the genital tract
     • A drop in the clotting factor pool

     Correct answer: A recent tear in the genital tract

     Bright red bleeding beside a firm midline fundus points to a recent tear in the genital tract, which is common after an instrumented birth and calls for inspection and repair of the cervix, vagina, or perineum. A sudden lapse in the uterine tone would leave a soft boggy fundus instead of the firm one described. A stuck lobe of the placental disk also keeps the uterus from staying firm and tends to give darker bleeding with clots. A drop in the clotting factor pool causes oozing from many sites at once, including puncture sites, rather than one steady stream past a well-contracted uterus.

369. A woman who delivered a 4,300 g infant after a prolonged labor with oxytocin augmentation is at increased risk for postpartum hemorrhage primarily because these factors predispose to:
     • Tears of the endocervix
     • Lobes of the afterbirth
     • Breakdown of the fibrin
     • Atony of the myometrium

     Correct answer: Atony of the myometrium

     Macrosomia, a prolonged labor, and prolonged oxytocin exposure all overstretch and tire the muscle, so their shared final pathway is atony of the myometrium, the leading cause of postpartum hemorrhage. Tears of the endocervix follow precipitous or instrumented delivery rather than an overdistended, exhausted uterus. Lobes of the afterbirth left in place trace to abnormal placentation or to excessive cord traction, a separate mechanism. Breakdown of the fibrin belongs to consumptive coagulopathy, which follows abruption, amniotic fluid embolism, or massive transfusion, none of which these three risk factors describe.

370. Quantitative blood loss (QBL) measurement is now recommended over visual estimation after birth because visual estimation tends to:
     • Understate the blood loss and delay the hemorrhage response
     • Overstate the blood loss and drive the needless transfusion
     • Capture the blood loss closer than the weighed measurements
     • Describe the blood loss following a cesarean delivery alone

     Correct answer: Understate the blood loss and delay the hemorrhage response

     Visual estimation tends to understate the blood loss and delay the hemorrhage response, which is precisely why quantitative measurement with weighed materials and graduated drapes replaced it. It does not overstate the blood loss and drive the needless transfusion, because the documented bias runs the other way. It cannot capture the blood loss closer than the weighed measurements either, since weighing is the more accurate of the two. And quantitative measurement is advised for vaginal births too, so nothing here would describe the blood loss following a cesarean delivery alone.

371. A nurse assessing lochia on the first postpartum day expects which normal finding?
     • Lochia alba that is pale white with mild scent
     • Lochia rubra that is deep red with small clots
     • Lochia serosa that is light tan with foul odor
     • Lochia flow that is bright red with heavy loss

     Correct answer: Lochia rubra that is deep red with small clots

     On the first postpartum day the expected finding is lochia rubra that is deep red with small clots, the fresh blood and decidual debris of the immediate puerperium. Lochia alba that is pale white with mild scent belongs to the second week and later. Lochia serosa that is light tan with foul odor is wrong twice over: serosa appears around days four to ten, and any foul odor points to endometritis at any stage. Lochia flow that is bright red with heavy loss describes hemorrhage, not involution, and a pad saturated in fifteen minutes demands immediate action.

372. During fundal assessment on the second postpartum day, where should the nurse expect to palpate the fundus of a normally involuting uterus?
     • Three to six fingerwidths topping the umbilicus
     • Directly atop the symphysis under the umbilicus
     • One to two fingerbreadths beneath the umbilicus
     • Exactly level with the umbilicus and centerline

     Correct answer: One to two fingerbreadths beneath the umbilicus

     The fundus reaches the umbilicus by roughly 24 hours and then descends about one fingerbreadth each day, so on the second postpartum day it is expected one to two fingerbreadths beneath the umbilicus. Three to six fingerwidths topping the umbilicus means the uterus is rising, which points to a distended bladder or retained clots rather than ordinary involution. Directly atop the symphysis under the umbilicus is where the uterus sits near days ten to fourteen, when it is no longer palpable abdominally. Exactly level with the umbilicus and centerline is the day-one finding, a full day earlier than this assessment.

373. A postpartum woman's fundus is boggy and displaced to the right above the umbilicus. After confirming a distended bladder, the most appropriate nursing action is to:
     • Angle the bed or raise her knees, then reassess and rub the fundus
     • Curb her oral or IV fluids today, then reassess and rub the fundus
     • Add a uterotonic or an ergot now, then reassess and rub the fundus
     • Help her void or pass a catheter, then reassess and rub the fundus

     Correct answer: Help her void or pass a catheter, then reassess and rub the fundus

     A boggy fundus pushed upward and to the right is the classic picture of a full bladder blocking contraction, so the nurse should help her void or pass a catheter, then reassess and rub the fundus. Angling the bed or raising her knees leaves the bladder full and only makes the assessment harder. Curbing her oral or IV fluids treats nothing and risks dehydration while the bladder stays distended. Adding a uterotonic or an ergot now skips the mechanical cause: a uterus propped up by a full bladder stays boggy however much drug is given, so those agents belong after the bladder is emptied, not before.

374. A newborn at four hours of age has a respiratory rate of 78, mild grunting, and subcostal retractions but pink color on room air. The nurse recognizes the priority as:
     • Continued respiratory monitoring with saturation checks and protocol notice
     • Immediate respiratory takeover with tracheal intubation and sedative dosing
     • Ordinary respiratory charting with expected transition and postponed review
     • Quick respiratory shielding with phototherapy lights and protective goggles

     Correct answer: Continued respiratory monitoring with saturation checks and protocol notice

     Sustained tachypnea over 60 together with grunting and retractions is respiratory distress, so the priority is continued respiratory monitoring with saturation checks and protocol notice even though the infant is pink on room air. Immediate respiratory takeover with tracheal intubation and sedative dosing is far past what a pink, self-ventilating infant requires. Ordinary respiratory charting with expected transition and postponed review dismisses signs that can herald transient tachypnea, sepsis, or pneumothorax. Quick respiratory shielding with phototherapy lights and protective goggles treats hyperbilirubinemia, which is not the problem in front of the nurse.

375. Vitamin K is administered intramuscularly to all newborns shortly after birth in order to:
     • Quicken the vitamin A guided ripening of retinal receptors
     • Prevent the vitamin K deficiency bleeding of early infancy
     • Strengthen the vitamin D driven binding of dietary calcium
     • Accelerate the vitamin E assisted coating of fetal alveoli

     Correct answer: Prevent the vitamin K deficiency bleeding of early infancy

     The injection is given to prevent the vitamin K deficiency bleeding of early infancy, long known as hemorrhagic disease of the newborn, because the newborn has scant stores and a sterile gut that cannot yet synthesize it, leaving factors II, VII, IX, and X deficient. It does not quicken the vitamin A guided ripening of retinal receptors, which is an unrelated nutrient pathway. It does not strengthen the vitamin D driven binding of dietary calcium. And it does not accelerate the vitamin E assisted coating of fetal alveoli, since surfactant output tracks lung maturity and corticosteroid exposure.

376. The most effective single nursing action to prevent heat loss in a newborn immediately after birth is to:
     • Slip the newborn wet under a radiant lamp or bulb, and await slow drying
     • Bathe the newborn soon, scrub off vernix or blood, and apply a wool gown
     • Dry the newborn well, strip wet linens, and use skin contact or a warmer
     • Place the newborn near an open window or vent, and cover him with cotton

     Correct answer: Dry the newborn well, strip wet linens, and use skin contact or a warmer

     Evaporation is the largest immediate heat drain at birth, so the single most effective action is to dry the newborn well, strip wet linens, and use skin contact or a warmer. Slipping the newborn wet under a radiant lamp or bulb leaves evaporative loss running while the skin is still soaked, and radiant heat alone does not stop it. Bathing the newborn soon and scrubbing off vernix or blood strips an insulating layer and adds cold stress at the worst possible moment. Placing the newborn near an open window or vent invites convective loss, which a cotton cover cannot offset.

377. A nurse identifies a newborn at risk for cold stress. A key consequence the nurse monitors for is that cold stress can precipitate:
     • Alkalosis and falling lactate content
     • Hyperglycemia and thickened cell mass
     • Bradycardia and high artery pressures
     • Hypoglycemia and rising oxygen demand

     Correct answer: Hypoglycemia and rising oxygen demand

     Cold stress drives the metabolic rate up, so the newborn burns brown fat and glucose to generate heat, producing hypoglycemia and rising oxygen demand, and metabolic acidosis follows if demand outruns supply. Alkalosis and falling lactate content are the reverse of the anaerobic picture cold stress creates. Hyperglycemia and thickened cell mass do not follow cold stress, since glucose is consumed rather than accumulated. Bradycardia and high artery pressures are not the response either; the cold-stressed newborn shows tachypnea and increased oxygen use instead.

378. A woman who had a cesarean birth two days ago reports unilateral calf pain, warmth, and swelling. The priority nursing action is to:
     • Notify the provider, keep the leg quiet, and expect duplex tests
     • Alert the provider, raise the leg higher, and apply moist warmth
     • Tell the provider, strap the calf tightly, and walk her outdoors
     • Consult the provider, work the limb deeply, and repeat it hourly

     Correct answer: Notify the provider, keep the leg quiet, and expect duplex tests

     Unilateral calf pain with warmth and swelling after a cesarean birth raises concern for deep vein thrombosis, so the priority is to notify the provider, keep the leg quiet, and expect duplex tests. Alerting the provider but raising the leg higher and applying moist warmth adds heat to a suspected clot without confirming anything. Telling the provider while strapping the calf tightly and walking her outdoors piles compression and exertion onto an unexamined limb. Consulting the provider and then working the limb deeply and repeating it hourly is exactly the manipulation that can dislodge a clot into the pulmonary circulation.

379. On the third postpartum day a woman has a temperature of 38.6 C, uterine tenderness, and malodorous lochia. These findings most likely indicate:
     • Bilateral mastitis
     • Acute endometritis
     • Benign diaphoresis
     • Milk-letdown fever

     Correct answer: Acute endometritis

     Fever after the first 24 hours together with uterine tenderness and malodorous lochia is acute endometritis, a postpartum uterine infection that needs prompt provider notification and broad-spectrum antibiotics. Bilateral mastitis produces a hot, red, wedge-shaped area on the breast rather than uterine tenderness or foul lochia. Benign diaphoresis is the profuse sweating of postpartum fluid mobilization and does not push the temperature to 38.6 C. Milk-letdown fever is not a recognized entity, and ordinary engorgement cannot account for a foul-smelling discharge.

380. A nurse provides perineal care teaching to a woman with a third-degree laceration. The recommended approach to cleansing is to:
     • Wipe from back to front and protect the new suture line
     • Scrub front and back with soap on a coarser cloth daily
     • Rinse and pat dry from front to back with a peri-bottle
     • Keep water away from the front and back for three weeks

     Correct answer: Rinse and pat dry from front to back with a peri-bottle

     Perineal care runs in one direction only, so the teaching is to rinse and pat dry from front to back with a peri-bottle, which keeps rectal organisms away from a third-degree repair. Wiping from back to front carries stool bacteria straight into the suture line, whatever it appears to protect. Scrubbing front and back with soap on a coarser cloth traumatizes healing tissue and strips the skin barrier. Keeping water away from the front and back for three weeks would leave lochia and stool on the wound, which invites infection rather than preventing it.

381. A breastfeeding mother on the fourth postpartum day reports bilateral firm, swollen, warm, tender breasts without redness or fever. The most appropriate nursing guidance is to:
     • Begin an antibiotic today, and spare the breasts for comfort
     • Cease her nursing, and expect the softer breasts for comfort
     • Strap the breasts tightly, and reduce her fluids for comfort
     • Keep her feedings frequent, and cool the breasts for comfort

     Correct answer: Keep her feedings frequent, and cool the breasts for comfort

     Bilateral firm, warm, tender breasts with no focal redness and no fever describe engorgement, so the guidance is to keep her feedings frequent, and cool the breasts for comfort, applying the cold between feeds and brief warmth just before a feed to help letdown. Beginning an antibiotic today and sparing the breasts treats an infection that is not present while milk removal stalls. Ceasing her nursing and expecting the softer breasts makes engorgement worse, since the breast softens only once it is drained. Strapping the breasts tightly and reducing her fluids suppresses supply and adds pain without relieving the fullness.

382. Which assessment finding in a newborn most strongly suggests pathologic rather than physiologic jaundice?
     • Jaundice detected on newborn day one
     • Jaundice starting on newborn day two
     • Jaundice resolved on newborn day six
     • Jaundice peaked on newborn day three

     Correct answer: Jaundice detected on newborn day one

     Jaundice detected on newborn day one, that is within the first 24 hours, is pathologic until proven otherwise and demands prompt bilirubin measurement, because at that age it usually reflects hemolysis such as ABO or Rh incompatibility. Jaundice starting on newborn day two is the ordinary physiologic timing. Jaundice resolved on newborn day six is that benign course completing itself on schedule. Jaundice peaked on newborn day three sits squarely on the physiologic curve, which rises to a peak around days three to five before falling.

383. A late-preterm newborn is being prepared for early discharge. The nurse identifies this infant as needing close follow-up primarily because late-preterm infants are at higher risk for:
     • Heart block, aortic stenosis, septal defect, and harsh murmurs
     • Low glucose, high bilirubin, scant intake, and unstable warmth
     • Doubled digits, cleft palate, clubbed feet, and webbed fingers
     • Meconium ileus, bowel atresia, midgut volvulus, and anal bands

     Correct answer: Low glucose, high bilirubin, scant intake, and unstable warmth

     Late-preterm infants, born at 34 0/7 to 36 6/7 weeks, are physiologically immature, so the follow-up concerns are low glucose, high bilirubin, scant intake, and unstable warmth, along with respiratory trouble. Heart block, aortic stenosis, septal defect, and harsh murmurs are structural cardiac lesions with no link to late-preterm birth. Doubled digits, cleft palate, clubbed feet, and webbed fingers are congenital malformations arising from entirely separate causes. Meconium ileus, bowel atresia, midgut volvulus, and anal bands are surgical gut problems, not maturity-related risks.

384. A woman saturates a perineal pad within 10 minutes and reports lightheadedness; her pulse is 118 and blood pressure 92/58. After calling for help and massaging the fundus, the nurse's next priority is to:
     • Encourage her into steady walking, lower the IV flow, and reassess later
     • Record her vital readings, leave the IV setting, and resume quiet rounds
     • Secure her IV access, run the fluids fast, and start ordered uterotonics
     • Settle her with cold packs, slow the IV infusion, and observe throughout

     Correct answer: Secure her IV access, run the fluids fast, and start ordered uterotonics

     Rapid pad saturation with tachycardia and hypotension signals active hemorrhage with early hypovolemia, so once help is called and the fundus massaged the next priority is to secure her IV access, run the fluids fast, and start ordered uterotonics such as oxytocin. Encouraging her into steady walking and lowering the IV flow strips volume support from a woman who is already hypotensive and lightheaded. Recording her vital readings and leaving the IV setting untouched documents a deterioration instead of treating it. Settling her with cold packs and slowing the IV infusion restores neither circulating volume nor uterine tone.

385. During newborn skin assessment, the nurse documents small white papules on the nose and chin that the parents are worried about. The nurse correctly identifies these as:
     • Petechiae, a concerning clotting warning
     • Erythema toxicum, an infectious eruption
     • Mongolian spots, an unusual pigmentation
     • Milia, a harmless self-resolving finding

     Correct answer: Milia, a harmless self-resolving finding

     Small white papules over the nose and chin are milia, a harmless self-resolving finding caused by plugged sebaceous glands; they need no treatment, clear within a few weeks, and parents should be told not to squeeze them. Petechiae, a concerning clotting warning, are pinpoint purple spots that really do warrant workup, but they are neither white nor raised. Erythema toxicum, an infectious eruption, is wrong twice over: the rash is blotchy and shifting, and it is benign and not contagious. Mongolian spots, an unusual pigmentation, are in fact flat blue-gray patches over the back and buttocks and are an expected variant.