ASCP Practice Test Welcome to your ASCP Practice Test 1. ASCP: Circulatory System What is the primary function of the tunica media layer in blood vessels? A. Provides a barrier to control the diffusion of substances B. Facilitates the exchange of nutrients and waste products C. Regulates blood vessel diameter and blood flow D. Anchors the vessel to surrounding structures None 2. ASCP: Circulatory System The opening and closing of the heart valves are primarily regulated by: A. Hormonal signals from the endocrine system B. The autonomic nervous system C. Changes in blood pressure within the heart chambers D. Electrical impulses from the sinoatrial node None 3. ASCP: Circulatory System Which artery supplies oxygenated blood to the myocardium? A. Pulmonary artery B. Aorta C. Coronary artery D. Carotid artery None 4. ASCP: Circulatory System During the cardiac cycle, the term "diastole" refers to: A. The contraction phase of the heart B. The relaxation phase of the heart C. The period when the semilunar valves are open D. The phase when the atrioventricular valves are closed None 5. ASCP: Circulatory System The Frank-Starling law of the heart describes the relationship between: A. Heart rate and arterial pressure B. Stroke volume and myocardial contractility C. Ventricular filling and stroke volume D. Blood viscosity and resistance None 6. ASCP: Circulatory System Which of the following blood vessels carries deoxygenated blood? A. Pulmonary veins B. Aorta C. Coronary arteries D. Pulmonary arteries None 7. ASCP: Circulatory System The process by which nutrients and gases pass through the capillary walls is known as: A. Osmosis B. Active transport C. Diffusion D. Filtration None 8. ASCP: Specimen Collection When collecting a blood specimen for a coagulation test, which of the following tubes is the most appropriate to use? A. Red-top tube B. Lavender-top tube C. Light blue-top tube D. Green-top tube None 9. ASCP: Specimen Collection A phlebotomist needs to collect a blood culture, a CBC, and a PT/PTT. Which of the following is the correct order of draw? A. Blood culture, CBC, PT/PTT B. CBC, blood culture, PT/PTT C. PT/PTT, CBC, blood culture D. Blood culture, PT/PTT, CBC None 10. ASCP: Specimen Collection What is the most critical aspect to ensure the accuracy of a point-of-care glucose test? A. The patient's fasting status B. The amount of blood applied to the test strip C. The expiration date of the test strips D. The time of day when the test is performed None 11. ASCP: Specimen Collection When performing a dermal puncture on an infant, which site is preferred? A. The tip of the finger B. The heel C. The earlobe D. The big toe None 12. ASCP: Specimen Collection In a patient with a left-sided mastectomy, where should the phlebotomist perform venipuncture? A. The left arm B. The right arm C. Either arm, it does not matter D. Avoid venipuncture altogether None 13. ASCP: Specimen Collection What is the recommended maximum time a tourniquet should be applied to a patient's arm during venipuncture? A. 1 minute B. 2 minutes C. 3 minutes D. 5 minutes None 14. ASCP: Specimen Collection If a patient is prone to syncope during venipuncture, what is the most appropriate action for the phlebotomist to take? A. Proceed with the draw as quickly as possible B. Have the patient lie down or sit in a reclining chair C. Tell the patient to hold their breath during the procedure D. Skip the tourniquet None 15. ASCP: Specimen Collection When collecting a specimen for a therapeutic drug monitoring test, what is essential to verify with the patient? A. The patient's age B. The time and date of the last dose of medication C. The patient's fasting status D. The patient's allergy history None 16. ASCP: Specimen Collection When drawing blood from a patient with difficult veins, which of the following techniques is NOT recommended? A. Using a smaller gauge needle B. Slapping the skin to make the vein more prominent C. Applying a warm compress to the area D. Asking the patient to make a fist None 17. ASCP: Specimen Collection For a patient receiving intravenous therapy in the right arm, where should the phlebotomist collect the blood sample? A. The same arm above the IV site B. The same arm below the IV site C. The opposite arm D. Any available vein in the right arm None 18. ASCP: Specimen Collection What is the most appropriate action if a blood specimen tube appears underfilled? A. Proceed with testing as usual B. Add saline to fill the tube C. Discard the tube and collect a new specimen D. Mix the tube longer to compensate None 19. ASCP: Specimen Collection When a phlebotomist observes petechiae after applying a tourniquet, what should be the next course of action? A. Tighten the tourniquet to prevent further petechiae B. Proceed with the draw as petechiae are not a concern C. Loosen the tourniquet slightly and reassess D. Remove the tourniquet and select a different site None 20. ASCP: Specimen Collection In the context of blood specimen collection, what is the significance of the 'order of draw'? A. It ensures the most painful draws are done last B. It prevents carryover of additives between tubes C. It determines which tests are prioritized D. It indicates the order of patient processing None 21. ASCP: Specimen Collection When should a phlebotomist use a syringe for blood collection instead of a vacuum tube system? A. When the patient requests it B. For arterial blood gas collections C. In cases of difficult or fragile veins D. When larger volumes of blood are needed None 22. ASCP: Specimen Collection What is a critical consideration when performing a capillary blood collection on a finger? A. Wipe away the first drop of blood B. Use the first drop of blood for the test C. Apply heavy pressure to the finger D. Collect blood from the side of the fingertip None 23. ASCP: Specimen Collection Which of the following is an appropriate action if a patient has a syncope episode during a blood draw? A. Continue the draw while monitoring the patient's condition B. Stop the draw, remove the needle, and ensure the patient's safety C. Elevate the patient's legs while continuing the draw D. Immediately apply a cold compress to the patient's forehead None 24. ASCP: Specimen Collection For a glucose tolerance test, how should the phlebotomist instruct the patient regarding preparation? A. Fast for 8 hours, but drink plenty of water B. Consume a high-sugar meal before the test C. No specific preparation is required D. Fast for 12 hours and avoid water None 25. ASCP: Specimen Collection What is the best practice for labeling a blood specimen collection tube? A. Label the tube before drawing the blood B. Label the tube immediately after filling it, in front of the patient C. Label the tube at the end of the day with collected specimens D. Label the tube once you return to the laboratory None 26. ASCP: Specimen Collection If a blood sample is required to be chilled immediately after collection, which of the following is the best method to achieve this? A. Place the tube in a freezer B. Surround the tube with ice packs C. Hold the tube under cold running water D. Store the tube in a refrigerator None 27. ASCP: Specimen Collection Which of the following is NOT a recommended practice for ensuring vein preservation and patient comfort during phlebotomy? A. Rotate puncture sites B. Use the smallest gauge needle possible for the blood volume C. Use a single vein for all draws whenever possible D. Anchor the vein firmly before insertion None 28. ASCP: Specimen Collection When performing a venipuncture, how should the needle be positioned relative to the skin and the vein? A. At a 45-degree angle with the bevel facing up B. At a 15 to 30-degree angle with the bevel facing down C. Parallel to the vein with the bevel facing sideways D. At a 15 to 30-degree angle with the bevel facing up None 29. ASCP: Specimen Collection In blood collection, what is the significance of the anticoagulant EDTA? A. It preserves glucose in the blood sample B. It prevents the blood from clotting C. It enhances the coagulation process D. It increases the serum separation time None 30. ASCP: Specimen Collection What precaution should be taken when collecting a blood specimen from a patient undergoing anticoagulant therapy? A. Use a larger gauge needle B. Apply extended pressure after collection C. Avoid using a tourniquet D. Collect a smaller volume of blood None 31. ASCP: Specimen Collection What is the primary reason for inverting tubes after collection? A. To mix the blood with the additive B. To increase the blood flow C. To check for clots D. To aerate the blood None 32. ASCP: Specimen Collection When is it appropriate to use a butterfly needle for venipuncture? A. When the patient is extremely obese B. For arterial blood gas collections C. In pediatric patients or those with small or fragile veins D. When a large volume of blood is needed None 33. ASCP: Specimen Collection Which of the following is a crucial step to avoid hemolysis when drawing blood from a patient with fragile veins? A. Use a tourniquet as tightly as possible B. Select the largest gauge needle available C. Avoid vigorous mixing of the blood tube D. Fill the tube rapidly to ensure quick collection None 34. ASCP: Specimen Collection What is the primary purpose of requesting a patient to make a fist during venipuncture? A. To reduce the pain of the needle insertion B. To help locate and stabilize the vein C. To check the patient's reflexes D. To increase blood pressure for a better draw None 35. ASCP: Specimen Collection When is it necessary to use a "chain of custody" protocol during specimen collection? A. For all blood draws B. When collecting a routine CBC C. For drug testing or forensic samples D. During pediatric collections None 36. ASCP: Specimen Collection How should a phlebotomist handle a needlestick injury immediately after it occurs? A. Ignore the injury and continue with the draw B. Wash the area with antiseptic and return to work C. Wash the area with soap and water and report the incident D. Apply a bandage and assess the injury later None 37. ASCP: Specimen Collection What is the most appropriate action if a patient reports a history of feeling faint during blood draws? A. Proceed with the draw while standing B. Have the patient stand and stretch beforehand C. Use a smaller gauge needle D. Have the patient lie down or sit in a reclining chair None 38. ASCP: Specimen Collection Which tube should be drawn first when collecting a blood culture and a CBC? A. The tube for CBC B. The tube for blood culture C. Any tube can be drawn first D. Tubes should be drawn simultaneously None 39. ASCP: Specimen Collection What is the recommended course of action if a phlebotomist notices signs of infection at a proposed venipuncture site? A. Cleanse the site more thoroughly with antiseptic B. Proceed with the draw, using a larger gauge needle C. Select an alternative site for the venipuncture D. Use an antibiotic ointment on the site before the draw None 40. ASCP: Specimen Collection Why is it important to invert anticoagulant tubes immediately after blood collection? A. To prevent clot formation B. To enhance the color of the plasma C. To increase the blood volume D. To cool down the blood sample None 41. ASCP: Specimen Collection What is the recommended procedure when a patient has an intravenous (IV) line on both arms? A. Draw blood from the arm with the slower IV drip B. Draw blood from the arm with the clearer IV fluid C. Draw below the IV site on the arm with less swelling D. Coordinate with the patient's nurse to temporarily halt the IV and draw distal to the IV site None 42. ASCP: Specimen Collection In pediatric blood collection, why is it important to use a smaller volume collection tube? A. To minimize the discomfort from the tourniquet B. To reduce the risk of anemia from blood loss C. To speed up the collection process D. To ensure faster clotting in the tube None 43. ASCP: Specimen Collection When collecting a specimen for a lipid panel, why is fasting important? A. Fasting stabilizes the patient's blood pressure B. Non-fasting can lead to hemolysis of the sample C. Nutrient intake can alter the lipid levels in the blood D. It ensures the patient is hydrated None 44. ASCP: Specimen Collection What is the primary reason for performing an Allen test before arterial blood collection? A. To assess the pain tolerance of the patient B. To determine the appropriate needle size C. To check the arterial blood flow to the hand D. To ensure the vein is suitable for puncture None 45. ASCP: Specimen Collection Why is it important to allow the alcohol to dry completely before performing a venipuncture? A. To reduce the sensation of pain B. To prevent contamination of the sample with alcohol C. To enhance the visibility of the veins D. To make the puncture site less slippery None 46. ASCP: Specimen Collection What is the significance of using an evacuated tube system for blood collection? A. It eliminates the need for a tourniquet B. It provides a pre-measured vacuum for consistent blood volume C. It allows for blood collection without a needle D. It automatically separates the plasma from the cells None 47. ASCP: Specimen Collection What is the best approach when a phlebotomist needs to collect a blood sample from a patient with a history of vasovagal syncope? A. Perform the draw while the patient is seated in a chair with armrests B. Have the patient stand up to increase blood flow C. Conduct the draw with the patient lying down D. Quickly perform the draw while the patient is distracted None 48. ASCP: Specimen Collection During a blood draw, if the blood flow stops suddenly, what should the phlebotomist initially attempt? A. Immediately remove the needle and apply pressure B. Adjust the angle of the needle slightly C. Ask the patient to pump their fist D. Change the needle and try a different vein None 49. ASCP: Specimen Collection For which type of test is it most critical to avoid the use of a tourniquet when collecting a blood sample? A. Hemoglobin A1c B. Lactic acid measurement C. Complete blood count (CBC) D. Serum electrolytes None 50. ASCP: Specimen Collection When drawing blood from a patient with a fistula, what is the essential precaution? A. Use the arm with the fistula for blood draw B. Apply the tourniquet above the fistula C. Never use the arm with the fistula for blood draws D. Use a larger gauge needle for the draw None 51. ASCP: Specimen Collection How should the phlebotomist proceed if the requested volume of blood exceeds the patient's safe blood draw volume? A. Proceed with the draw as requested B. Consult with the patient's healthcare provider for prioritization of tests C. Draw only the amount that is safe, regardless of the test requirements D. Substitute with a less volume-intensive test None 52. ASCP: Specimen Collection What is the recommended action if a phlebotomist inadvertently collects the wrong tube type for a test? A. Label the tube correctly and send it to the lab B. Re-label the tube with the correct test C. Discard the incorrect tube and redraw the sample D. Send the tube to the lab with a note explaining the error None 53. and Processing,Transport,ASCP: Specimen Handling What is the maximum allowable time for a blood gas specimen to remain unanalyzed at room temperature? A. 15 minutes B. 30 minutes C. 1 hour D. 2 hours None 54. and Processing,Transport,ASCP: Specimen Handling When handling a specimen for therapeutic drug monitoring (TDM), what is crucial to record alongside the time of collection? A. The time of the last meal B. The patient's age C. The time of the last dose D. The patient's blood type None 55. and Processing,Transport,ASCP: Specimen Handling In the context of specimen handling, what is the primary reason for rejecting a hemolyzed blood sample for potassium testing? A. Potassium cannot be measured accurately in hemolyzed samples. B. Hemolysis does not affect potassium levels. C. Potassium levels are lower in hemolyzed samples. D. Hemolysis increases the pH of the sample. None 56. and Processing,Transport,ASCP: Specimen Handling For a specimen requiring light protection, which of the following actions is most appropriate? A. Store in a clear glass container. B. Wrap the container in aluminum foil. C. Use a red-tinted tube. D. Place the specimen near a light source. None 57. and Processing,Transport,ASCP: Specimen Handling What is the recommended action if a specimen arrives in the laboratory without proper identification? A. Use the specimen if it is the only one available. B. Label the specimen with the assumed patient's name. C. Reject the specimen and request a new one. D. Perform the tests and verify patient identity later. None 58. and Processing,Transport,ASCP: Specimen Handling When preparing a specimen for frozen section analysis, what is the most critical factor to ensure specimen integrity? A. The type of anticoagulant used B. The speed of freezing C. The size of the tissue sample D. The type of fixative None 59. and Processing,Transport,ASCP: Specimen Handling In the transportation of specimens for electron microscopy, what is the most important consideration? A. Avoidance of vibration B. Maintenance of a specific pH C. Exposure to light D. Temperature control None 60. and Processing,Transport,ASCP: Specimen Handling Why is it critical to invert anticoagulant tubes immediately after collection? A. To prevent clotting B. To mix the blood with the air C. To separate the plasma D. To cool down the sample None 61. and Processing,Transport,ASCP: Specimen Handling What is the primary reason for discarding the first few milliliters of blood when collecting a blood culture specimen? A. To reduce the risk of contamination B. To obtain a sufficient sample volume C. To ensure the blood is oxygenated D. To test the blood for anticoagulants None 62. and Processing,Transport,ASCP: Specimen Handling For a urine drug screen, what is the primary reason for measuring the temperature of the specimen shortly after collection? A. To ensure the sample has not been adulterated B. To check for proper preservation C. To determine the concentration of the analytes D. To verify the patient's identity None 63. and Processing,Transport,ASCP: Specimen Handling When transporting a specimen for lactic acid measurement, why is it important to place the specimen on ice? A. To accelerate the metabolic processes B. To prevent glycolysis C. To enhance coagulation D. To increase enzyme activity None 64. and Processing,Transport,ASCP: Specimen Handling What is the primary purpose of using a pneumatic tube system for specimen transport? A. To minimize vibration B. To reduce transit time C. To avoid temperature fluctuations D. To ensure specimen anonymity None 65. and Processing,Transport,ASCP: Specimen Handling In the context of specimen traceability, what is the most crucial piece of information to maintain with the specimen throughout the testing process? A. The patient's diagnosis B. The phlebotomist's name C. The patient's identification number D. The time of the test request None 66. and Processing,Transport,ASCP: Specimen Handling Why is it important to avoid using a tourniquet when collecting a specimen for coagulation studies? A. To prevent hemolysis B. To reduce the risk of contamination C. To avoid hemoconcentration D. To prevent clotting None 67. and Processing,Transport,ASCP: Specimen Handling When collecting a 24-hour urine specimen, what is the key step to ensure the accuracy of the test results? A. Starting the collection with an empty bladder B. Maintaining the urine at room temperature C. Limiting fluid intake during the collection period D. Avoiding physical activity during the collection None 68. ASCP: Waived and Point-of-care Testing When performing a point-of-care glucose test, which of the following could cause a falsely low reading? A. Excessive blood sample B. Patient dehydration C. Insufficient blood sample D. Elevated hematocrit None 69. ASCP: Waived and Point-of-care Testing In waived testing, why is it important to follow the manufacturer's instructions for the storage of reagents? A. To ensure patient confidentiality B. To maintain test accuracy and reliability C. To reduce costs associated with reagent replacement D. To comply with federal regulations on waste disposal None 70. ASCP: Waived and Point-of-care Testing What is the primary reason for performing quality control in waived testing environments? A. To train new staff B. To ensure the test is performing as expected C. To comply with patient care standards D. To use up excess reagents None 71. ASCP: Waived and Point-of-care Testing Which of the following is a critical step to ensure the accuracy of a point-of-care urine pregnancy test? A. Checking the expiration date of the test kit B. Using a midstream urine sample C. Asking the patient about their last meal D. Confirming the patient's identity None 72. ASCP: Waived and Point-of-care Testing When a point-of-care testing device alerts you to an "error" message after adding a patient's sample, what is the most appropriate first action? A. Repeat the test with a new sample B. Disregard the result and report a technical issue C. Consult the device's troubleshooting guide D. Immediately inform a supervisor None 73. ASCP: Waived and Point-of-care Testing In the context of point-of-care testing, how often should instrument calibration be performed? A. Only once when the device is first installed B. Every time a new test is conducted C. At intervals recommended by the manufacturer D. Once a year, regardless of usage frequency None 74. ASCP: Waived and Point-of-care Testing In point-of-care testing, what is the significance of documenting the lot number and expiration date of test strips? A. To facilitate future ordering of supplies B. To track test strip usage and prevent waste C. To ensure traceability and quality control D. To monitor patient compliance with testing protocols None 75. ASCP: Waived and Point-of-care Testing When a waived test result appears inconsistent with a patient's clinical presentation, what should be the next step? A. Repeat the test using the same sample B. Report the result as inconclusive C. Confirm the result with a reference laboratory D. Change the patient's treatment based on the result None 76. ASCP: Non-blood Specimens When collecting a sputum specimen for culture, what is the optimal time for collection to maximize the likelihood of detecting pathogens? A. Immediately after a meal B. Just before bedtime C. Early in the morning upon waking D. Mid-afternoon after hydration None 77. ASCP: Non-blood Specimens Which of the following substances should NOT be present in a normal 24-hour urine collection? A. Urea B. Creatinine C. Protein D. Glucose None 78. ASCP: Non-blood Specimens When performing a nasal swab for a respiratory virus panel, what is the critical technique to ensure specimen adequacy? A. Insert the swab into the nostril parallel to the palate. B. Rotate the swab three times upon insertion. C. Insert the swab and immediately remove it. D. Swab both nostrils with the same swab. None 79. ASCP: Non-blood Specimens For a stool sample testing for occult blood, what dietary restriction is recommended before sample collection? A. Avoid red meat. B. Increase fiber intake. C. Eliminate dairy products. D. Consume a high-sugar diet. None 80. ASCP: Non-blood Specimens When collecting a 24-hour urine sample, what is the correct procedure to follow at the start of the collection period? A. The patient should urinate and discard the first specimen. B. The patient should urinate and save the first specimen. C. The patient should drink a glass of water and then urinate. D. The patient should not urinate until one hour into the collection. None 81. ASCP: Non-blood Specimens In the context of drug testing, what is the primary reason for observing the temperature of a urine specimen immediately after collection? A. To assess the patient's body temperature B. To determine the concentration of the urine C. To check for the presence of bacteria D. To ensure the sample has not been tampered with None 82. ASCP: Non-blood Specimens Which of the following is NOT a recommended method for collecting a urine specimen for culture? A. Midstream clean-catch B. Catheterization C. Suprapubic aspiration D. First-void morning sample None 83. ASCP: Non-blood Specimens For effective collection of a throat swab for culture, what anatomical sites should the swab contact to ensure a representative sample? A. The uvula and the tip of the tongue B. The tonsillar pillars and the oropharyngeal wall C. The inside of both cheeks D. The upper and lower gum line None 84. ASCP: Laboratory Operations When dealing with a chemical spill in the laboratory, what is the first action a phlebotomy technician should take? A. Neutralize the chemical B. Evacuate the area C. Report to the supervisor D. Don personal protective equipment (PPE) None 85. ASCP: Laboratory Operations In the context of quality control, what does the term "delta check" refer to? A. Checking the expiration dates on reagents B. Comparing current test results with previous values for the same patient C. Verifying the calibration of instruments every day D. Reviewing the daily temperature logs for refrigerated storage None 86. ASCP: Laboratory Operations Which of the following best describes the principle of "lean" in the laboratory setting? A. Maximizing revenue through increased testing B. Reducing waste and improving workflow efficiency C. Expanding the test menu to include more assays D. Increasing the number of staff in the laboratory None 87. ASCP: Laboratory Operations What is the primary purpose of proficiency testing in the laboratory? A. To assess the competency of individual laboratory staff B. To evaluate the accuracy and reliability of laboratory testing C. To determine the laboratory's compliance with safety regulations D. To establish the daily workload for each technician None 88. ASCP: Laboratory Operations Which document should be updated whenever a new lot of reagent is used in the laboratory? A. The laboratory's safety manual B. The test procedure manual C. The quality control log D. The employee training records None 89. ASCP: Laboratory Operations What is the most appropriate action to take if a phlebotomy technician notices an inconsistency in the patient's identification information? A. Proceed with the specimen collection using the available information B. Update the patient's records with the assumed correct information C. Report the inconsistency to a supervisor or the ordering physician D. Ask the patient to confirm or correct their information None 90. ASCP: Laboratory Operations Which type of error is reduced by the use of barcode scanning in specimen collection and processing? A. Analytical errors B. Pre-analytical errors C. Post-analytical errors D. Transcription errors None 91. ASCP: Laboratory Operations When a critical value is obtained in a laboratory test result, what is the first step that should be taken? A. Repeat the test to confirm the result B. Record the value in the laboratory information system C. Communicate the result to the healthcare provider immediately D. Document the result in the patient's chart None 92. ASCP: Laboratory Operations What is the primary reason for performing a daily calibration of laboratory instruments? A. To ensure the instruments are functioning within their specified parameters B. To comply with manufacturer's warranty requirements C. To train new laboratory personnel on the equipment D. To consume excess reagents before they expire None 93. ASCP: Laboratory Operations In the context of laboratory information systems (LIS), what is the primary purpose of an audit trail? A. To track changes in the LIS software B. To provide a record of all actions performed on a data entry or record C. To monitor the efficiency of laboratory personnel D. To facilitate the ordering of laboratory supplies None 94. ASCP: Laboratory Operations What is the primary goal of the Clinical Laboratory Improvement Amendments 'CLIA'? A. To ensure laboratories use only the latest technology B. To mandate the types of tests that laboratories can perform C. To establish quality standards for all laboratory testing D. To provide federal funding for laboratory research None 95. ASCP: Laboratory Operations When a laboratory encounters a reagent lot number discrepancy, what is the most appropriate course of action? A. Continue testing while noting the discrepancy in the records B. Stop using the reagent until the discrepancy is resolved C. Discard the reagent and open a new lot without investigation D. Use the reagent but increase the frequency of quality control checks None 96. ASCP: Laboratory Operations In laboratory operations, what is the principle of "right-sizing" equipment in relation to workload? A. Purchasing the most expensive equipment available B. Selecting equipment based on the maximum potential future workload C. Choosing equipment that matches the current and near-future workload D. Using manually operated equipment over automated systems None 97. ASCP: Laboratory Operations What is a "critical pathway" in the context of laboratory operations? A. A set of steps to manage critical values in test results B. The fastest route for specimen transport within the lab C. A management tool that outlines optimal sequences and timing of procedures D. The electrical system's layout in the laboratory None 98. ASCP: Laboratory Operations In terms of laboratory safety, what is the main purpose of a fume hood? A. To store chemicals and reagents B. To maintain sterile conditions for cultures C. To reduce exposure to hazardous fumes and vapors D. To keep laboratory instruments clean None 99. ASCP: Laboratory Operations How does a laboratory's "turnaround time" impact patient care? A. Longer turnaround times always improve the accuracy of results. B. Turnaround time has no significant impact on patient care. C. Shorter turnaround times can lead to faster diagnosis and treatment. D. The only impact of turnaround time is on laboratory workload. None 100. ASCP: Circulatory System In the context of the circulatory system, which of the following best describes the function of baroreceptors? A. Detect changes in the chemical composition of blood B. Monitor the oxygen level in the blood C. Sense changes in blood pressure D. Regulate the heart rate None 1 out of 100 Time is Up! Time's up