FREE CMSRN Study Guide 2026: A Complete, MSNCB-Aligned Walkthrough

This free CMSRN study guide walks through everything the Certified Medical-Surgical Registered Nurse exam tests, organized into the same five practice domains the MSNCB uses to build the exam from its 2023 CMSRN blueprint.^[1]

It is interactive, not a wall of text: every domain has worked clinical scenarios, high-yield drug, lab, and electrolyte tables, labeled diagrams, and built-in flashcards, so you learn by doing. Because most clinical disease and pharmacology content is tested inside Patient/Care Management, we also include a dedicated body-systems module so the clinical depth is taught fully.

Read it domain by domain, then round out your prep with our practice test and flashcards. The CMSRN certifies experienced RNs in medical-surgical nursing — a broad specialty, so weight your study toward the heaviest domains and the high-frequency safety facts.

CMSRN Exam Snapshot

Patient/Care Management is the heaviest domain at 32% of scored items, and Nursing Teamwork and Collaboration is second at 21% — together they are more than half the exam. Budget your study toward safe care management, delegation, and prioritization.^[1]

We teach all five official domains as study modules, plus a sixth Clinical Med-Surg by Body System module that delivers the disease, pharmacology, and lab depth tested chiefly within Patient/Care Management.^[1]

How the CMSRN Exam Works

The CMSRN is a 150-item multiple-choice exam — 125 scored items plus 25 unscored pretest items mixed in that you cannot identify — delivered in a single 3-hour session at a Pearson VUE test center or by OnVUE remote proctoring.^[1] It is built to the level of an RN with roughly two years and 2,000 hours of med-surg practice.

Scoring is criterion-referenced: you are measured against a fixed standard, not against other candidates. The passing standard — a scaled score of 95, about 71% of scored items correct — is set by a modified Angoff method with subject-matter experts and psychometricians, and your pass/fail result appears immediately when you finish.^[1] A detailed score report is posted to your Pearson VUE profile.

Eligibility requires an active, unencumbered RN license plus 2,000 medical-surgical practice hours within the past 3 years. The credential is valid for 5 years and is renewed by contact hours or by re-examination (with 1,000 med-surg hours during the period).^[1][3] Fees are a dated anchor — about $267 for members and $394 for non-members — so confirm the current amount on msncb.org before you register.^[2]

Patient/Care Management

Patient/Care Management is the single largest domain at 32% of scored items — about 40 questions.^[1] It covers how the med-surg nurse keeps patients safe across seven areas: patient safety, infection prevention, medication management, pain management, non-pharmacological interventions, surgical and procedural nursing, and nutrition. Most of the exam’s clinical disease and pharmacology content lives here, so this domain plus the clinical body-systems module below carry the most points.

Patient Safety

Safety is tested as a systems competency. Every safety action follows the nursing process: screen risk with a validated tool, plan individualized precautions, implement the bundle, and re-evaluate. The master rule is assess before you act — except in a true airway, breathing, or circulation emergency, where you intervene first and reassess after.^[11]

Two prevention systems dominate. For falls, screen with the Morse Fall Scale, apply universal precautions to everyone (bed low and locked, call light in reach, non-skid footwear, hourly rounding), and layer high-risk additions (bed/chair alarms, toileting schedule). After a fall, assess for injury first, then notify, document, and file an incident report.

For pressure injuries, screen with the Braden Scale, reposition at least every 2 hours, offload heels, and optimize nutrition.^[15]

Restraints are a last resort and a major patient-rights issue. Try least-restrictive alternatives first, obtain a provider order (a PRN restraint order is prohibited), monitor circulation, skin, range of motion, and toileting on a schedule, tie a quick-release knot to the movable bed frame (never a side rail), and discontinue at the earliest possible time.^[11]

The exam loves safety-culture and improvement-method distinctions. A just culture separates honest error from reckless behavior and encourages reporting of near-misses. The classic paired item: RCA is reactive (done after an event — “why did this happen?”), while FMEA is proactive (done before a process — “what could go wrong?”).^[12]

Infection Prevention

Standard precautions apply to every patient, all the time — treat all blood and body fluids (except sweat), non-intact skin, and mucous membranes as potentially infectious. Hand hygiene is the single most effective measure; use soap and water when hands are visibly soiled and for C. difficile and norovirus, because alcohol does not kill spores.^[8]

Transmission-based precautions are added on top of standard precautions and are a frequent matrix-item task — match each patient to the right type.^[7]

The memory hook for airborne is “My Chicken Has TB” — Measles, Chickenpox/varicella, disseminated Herpes-zoster, TB. The most powerful daily infection-prevention act is asking “is this device still needed?” — every central line and urinary catheter removed a day sooner lowers CLABSI and CAUTI risk.^[7]

Medication Management

Verify the rights of medication administration for every dose — right patient (two identifiers), drug, dose, route, and time, plus documentation, reason, response, education, and the right to refuse. Do three label checks, use barcode scanning, and never give a medication you did not prepare.^[9]

High-alert medications carry a heightened risk of serious harm. The ISMP list includes anticoagulants (heparin, warfarin, DOACs), all insulins, opioids, neuromuscular blockers, chemotherapy, and concentrated electrolytes — especially potassium chloride, which is never given IV push. These require an independent double-check.^[9]

Two anticoagulants are tested heavily. Heparin is monitored by aPTT (antidote: protamine sulfate); watch platelets for heparin-induced thrombocytopenia — a 5–10-day platelet drop that means stop all heparin and switch to argatroban or bivalirudin.

Warfarin is monitored by INR (target 2.0–3.0; antidote: vitamin K); teach consistent vitamin-K intake, not avoidance.^[10] In older adults, screen for polypharmacy and apply the Beers Criteria.

Pain Management

Pain is whatever the patient says it is — believe self-report regardless of appearance. Match the assessment tool to the patient: a 0–10 numeric scale for verbal adults, Wong-Baker FACES, FLACC for young or nonverbal children, PAINAD for nonverbal dementia, and CPOT for the critically ill. Always reassess after intervention and document.

The evidence-based standard is multimodal analgesia — building on non-opioids (acetaminophen, NSAIDs) and adding opioids and adjuvants to maximize relief while minimizing the opioid dose, with a prophylactic bowel regimen. The YMYL core is opioid safety: sedation precedes respiratory depression, so monitor sedation level and respiratory rate. The reversal agent is naloxone (titrate to respirations), and PCA by proxy is prohibited.^[9]

Non-Pharmacological Interventions

Non-pharmacologic measures augment — never replace — drug therapy. Heat causes vasodilation and eases chronic muscle spasm and stiffness, but avoid it over an acute injury or active bleeding. Cold causes vasoconstriction and reduces acute inflammation and swelling in the first 24–48 hours.

Both need a skin barrier and time limits. Complementary therapies the exam recognizes include guided imagery, music therapy, massage, distraction, and TENS — always assess patient preference and cultural fit.^[17]

Surgical & Procedural Nursing

Know the consent boundary: the provider explains the procedure and obtains consent; the nurse witnesses the signature, confirms understanding, and verifies it is voluntary. The Universal Protocol prevents wrong-site surgery through verification, site marking, and a time-out before incision — anyone can stop the line.^[11]

In the PACU, priorities are ABCs first (patent airway, gag reflex), then circulation and bleeding, then pain and nausea. Know first actions for complications: for dehiscence/evisceration, cover with sterile saline-soaked gauze, position low-Fowler’s with knees flexed, keep NPO, and notify the surgeon — never push the organs back in.

For urinary retention, bladder-scan first before catheterizing. For moderate (procedural) sedation, the monitoring RN has no other duties and continuously watches LOC, respiratory rate, SpO2, and capnography, with naloxone and flumazenil available.^[11]

Nutrition

Screen for malnutrition on admission and refer at-risk patients to a dietitian; match the diet to the disease (sodium/fluid limits for heart failure, carbohydrate consistency for diabetes, protein/potassium/phosphorus limits for renal patients). Before oral intake in a stroke or neuro patient, screen for dysphagia and keep NPO until the swallow screen passes. For enteral nutrition, an X-ray is the gold standard before first use of a blind tube, keep the head of the bed at 30–45°, and remember that auscultating an air “whoosh” does not verify placement.^[17]

The critical safety concept is refeeding syndrome: reintroducing nutrition to a severely malnourished patient drives phosphate, potassium, and magnesium into cells, causing dangerous drops in all three. Prevent it by starting low and going slow, replacing electrolytes before and during feeding, and giving thiamine.^[17]

Clinical Med-Surg by Body System

The CMSRN tests clinical disease, pharmacology, and lab content chiefly within Patient/Care Management.^[1] This module teaches that depth by body system so you can recognize cues and choose the safe action across the conditions a med-surg nurse manages every shift.

Cardiovascular

For acute coronary syndrome, obtain a 12-lead ECG within 10 minutes; troponin is the most specific marker. STEMI demands reperfusion — door-to-balloon PCI within 90 minutes. Give aspirin and nitroglycerin, but hold nitro if systolic BP is below 90, in right-ventricular/inferior MI, or with a PDE-5 inhibitor in the past 24–48 hours.^[14]

Distinguish left-sided heart failure (pulmonary congestion: crackles, orthopnea, frothy sputum) from right-sided (systemic congestion: jugular venous distention, peripheral edema, ascites). The single most important teaching point is daily weights — report a gain over 2–3 lb in a day or 5 lb in a week. Digoxin toxicity (worsened by hypokalemia) shows nausea, yellow-green halos, and bradycardia; hold for an apical pulse below 60 and treat with digoxin immune Fab.^[14]

Respiratory & Acid-Base

Interpret arterial blood gases with ROME — Respiratory Opposite, Metabolic Equal. For COPD, the defining nursing action is the oxygen target: titrate to an SpO2 of about 88–92% to avoid suppressing the hypoxic drive, plus pursed-lip breathing, bronchodilators, vaccines, and smoking cessation. For asthma, an ominous sign is a silent chest with diminishing wheezing — impending respiratory failure.

Chest tubes are high-yield: keep the system below the chest, expect tidaling, and treat continuous bubbling as an air leak. If the tube disconnects, submerge the end in sterile water; if it is pulled out, cover the site with an occlusive dressing taped on three sides. A tension pneumothorax (tracheal deviation away from the affected side, absent breath sounds, hypotension) needs immediate needle decompression.

GI, Renal & Endocrine

For GI bleeding, assess hemodynamics first — tachycardia and hypotension precede a measurable hemoglobin drop. Pancreatitis shows epigastric pain radiating to the back with an elevated lipase (more specific than amylase); keep NPO to rest the pancreas. In hepatic encephalopathy, give lactulose titrated to 2–3 soft stools a day to excrete ammonia.

In acute kidney injury and chronic kidney disease, hyperkalemia is the most life-threatening complication; protect the AV fistula (no BP or venipuncture in that arm; check the thrill and bruit), give phosphate binders with meals, and hold nephrotoxins.^[17]

For DKA, the management order is the exam favorite: IV fluids first, then a regular-insulin infusion, with potassium replacement (insulin drives potassium into cells — hold insulin if K is below 3.3), and add dextrose when glucose reaches about 200–250.^[13]

HHS is profound hyperglycemia with severe dehydration but minimal ketosis, treated with aggressive fluids.

Neuro, MSK & Heme-Onc

For ischemic stroke, “time is brain” — get an immediate non-contrast CT to rule out a bleed before tPA, which is given within 3 hours (up to 4.5 in select patients) only if BP is below 185/110 and there are no contraindications. With increased intracranial pressure, the earliest sign is a change in level of consciousness, while Cushing’s triad is late and ominous; keep the head of the bed at 30° and midline. For autonomic dysreflexia in a spinal-cord injury at or above T6, sit the patient up first, then find and remove the trigger — usually a distended bladder.

After a fracture, do neurovascular checks (the 6 P’s); compartment syndrome’s early sign is pain out of proportion and pain on passive stretch — do not elevate above heart level, and prepare for fasciotomy. For heme-onc, neutropenic fever (ANC below 500) is an emergency, and any transfusion reaction means stop the transfusion first, then keep the line open with normal saline through new tubing and notify — an acute hemolytic (ABO-mismatch) reaction is the most dangerous.

Fluids, Electrolytes & Sepsis

Potassium (3.5–5.0 mEq/L) is the highest-yield safety topic. Hypokalemia causes flat T waves, U waves, weakness, and worsened digoxin toxicity — replace it diluted by pump, never IV push. Hyperkalemia causes peaked T waves progressing to a widened QRS; the treatment order is IV calcium gluconate to stabilize the heart, then insulin with dextrose (and albuterol) to shift potassium into cells, then removal with diuretics, a binding resin, or dialysis.^[17]

Sepsis is tested through the Surviving Sepsis hour-1 bundle: measure lactate, draw blood cultures before antibiotics, give broad-spectrum antibiotics, give 30 mL/kg crystalloid for hypotension or lactate ≥ 4, and add vasopressors (norepinephrine first-line) to keep the mean arterial pressure at or above 65.^[16]

Holistic Patient Care

Holistic Patient Care is 15% of the exam — about 19 items.^[1] It treats the patient as a whole person across five areas: patient-centered care, diversity and inclusion, patient and family education, health promotion, and palliative and end-of-life care.

Patient-Centered Care

Patient-centered care makes the patient the locus of control: care respects and responds to individual preferences, needs, and values. The nurse uses active listening and honors communication preferences, and sets mutual, patient-driven goals because they improve adherence and satisfaction. When a patient or family complains, the first action is to listen and acknowledge feelings, then apologize for the experience, act to resolve it, and escalate or document — never defend the staff first.^[1]

Diversity & Inclusion

The goal is culturally and linguistically appropriate, equitable care. The single highest-yield rule is interpreter use: a qualified medical interpreter must be used for any patient with limited English proficiency or who is deaf — never family members, friends, children, or untrained staff, for accuracy, confidentiality, and legal reasons. Recognize implicit bias and assess each patient’s actual cultural, religious, and linguistic needs rather than assuming them.

Patient & Family Education

Effective teaching is assessed, individualized, and evaluated. First assess readiness to learn — manage pain or anxiety before teaching — and address barriers (language, literacy, sensory deficits).

Use plain language at about a 5th–6th-grade level for low health literacy, and confirm understanding with teach-back— have the patient explain in their own words. A nodding “yes” to “do you understand?” is never adequate evidence of learning.

Health Promotion

Health promotion applies even in acute care — smoking cessation, vaccination, and glucose teaching are all health promotion. The most testable framework is the three levels of prevention: primary prevents (immunizations, education), secondary screens (mammograms, blood pressure, glucose), and tertiary rehabilitates (cardiac rehab, chronic-disease management). The classic trap is that a screening test is secondary, a vaccine is primary, and managing an existing disease is tertiary.

Palliative & End-of-Life Care

Distinguish palliative from hospice care. Palliative care relieves symptoms at any stage and can run alongside curative treatment, with no prognosis requirement. Hospice is comfort-only care for a prognosis of about six months or less.

The key relationship: all hospice care is palliative, but not all palliative care is hospice. Honor and document advance directives and code status — a DNR means resuscitation will not be attempted, not “do not treat”; comfort care continues.

In a medical-examiner case, leave all lines and tubes in place, and remember that the Organ Procurement Organization — not the bedside nurse — requests organ donation.

Elements of Interprofessional Care

Elements of Interprofessional Care is 17% of the exam — about 21 items.^[1] It covers the nursing process and clinical judgment, collaboration, care coordination and transitions, documentation, and technology.

Nursing Process & the CJMM

The nursing process, ADPIE, is the backbone of RN practice — a continuous, cyclical framework in which assessment is always first and evaluation closes the loop. When data are incomplete, gather more data before acting, except in a true ABC or safety emergency.^[5]

The NCSBN Clinical Judgment Measurement Model makes the thinking inside ADPIE explicit and measurable through six cognitive steps. When an item presents new data, recognize and analyze the cues before taking action.^[5]

Interprofessional Collaboration

The RN is often the care coordinator who synthesizes input from medicine, pharmacy, PT/OT, respiratory therapy, dietitians, and social work. The high-yield teamwork framework is TeamSTEPPS (AHRQ): leadership (briefs, huddles, debriefs), situation monitoring, mutual support, and communication. The most-tested behavior: a nurse whose safety concern is ignored states it again (the two-challenge rule) and escalates with CUS(“I’m Concerned, I’m Uncomfortable, this is a Safety issue”) — never stays silent and never complies with an unsafe order.^[12]

Care Coordination & Transitions

Transitions of care are high-risk for error and readmission. Discharge planning starts on admission, integrating PT/OT for functional status and the safest destination.

The single most-tested transition-safety action is medication reconciliation— comparing the patient’s current medications to new orders at every transition (admission, transfer, discharge) to catch omissions, duplications, and interactions; it is a Joint Commission National Patient Safety Goal.^[11] Screen for social determinants of health and refer to close gaps that drive readmission.

Documentation

Documentation must be accurate, timely, objective, and factual — “if it wasn’t documented, it wasn’t done.” Chart facts, not opinions, use only approved abbreviations (avoid the Joint Commission “Do Not Use” list), and protect health information under HIPAA. Correct a paper error with a single line, the label “error,” and your date/time/initials — never erase; in the EHR use an addendum, and the original entry stays in the audit trail. Never chart that an incident report was filed.^[11]

Technology & Informatics

Safely operate and troubleshoot smart infusion pumps, monitors, and barcode medication scanners — but assess the patient before the device when equipment alarms, and combat alarm fatigue with appropriate, individualized alarm settings rather than silencing alarms. Nursing informatics manages data, information, knowledge, and wisdom; clinical decision support and telehealth support but never replace the nurse’s clinical judgment.^[11]

Professional Concepts

Professional Concepts is 15% of the exam — about 19 items.^[1] It covers communication, critical thinking and prioritization, the healthy practice environment, scope of practice and ethics, quality management, and evidence-based practice.

Communication

Communication failures are the most common root cause of sentinel events, so the CMSRN tests structured, escalating communication. The chain of command is the hierarchy for resolving a safety concern — keep escalating up until the patient is safe. Use SBAR for nurse-to-provider escalation and closed-loop / read-back for verbal orders and critical values.^[12]

Critical Thinking & Prioritization

Prioritization is tested heavily. Apply the frameworks in order: ABCs (airway beats everything), then Maslow (physiologic before psychosocial), then assess before acting; see the unstable, acute, actual, unexpected patient before the stable, chronic, “risk-for,” expected one.

For deterioration, activate the rapid response team before arrest — a “the nurse is worried” gut feeling is a valid trigger. Early-warning scores (MEWS/NEWS) flag deterioration early.^[12]

Healthy Practice Environment

Distinguish the distress spectrum: moral distress is knowing the right action but being constrained from doing it; compassion fatigue comes from caring for suffering patients; and burnout is driven by the work environment and workload. The AACN Healthy Work Environment framework defines six standards — skilled communication, true collaboration, effective decision-making, appropriate staffing, meaningful recognition, and authentic leadership — and always report workplace violence rather than tolerating it.

Scope of Practice & Ethics

Scope of practice is defined by the state Nurse Practice Act and Board of Nursing — the nursing process and nursing judgment cannot be delegated. The ANA Code of Ethics is the profession’s nonnegotiable ethical standard, organized into nine provisions.^[6]

The principles are heavily tested: a competent patient’s autonomy (informed refusal) outweighs beneficence, and disclosing an error is veracity. Know HIPAA (minimum-necessary health information) and EMTALA (screen and stabilize regardless of ability to pay).

Quality Management

Nursing-sensitive indicators (NDNQI) measure outcomes shaped by nursing care — falls, pressure injuries, CAUTI, CLABSI. Improvement methods include the PDSA cycle (small rapid tests of change), Lean, and Six Sigma; remember that RCA looks back while FMEA looks forward. Patient experience is measured by HCAHPS, which feeds value-based purchasing, and service recovery restores trust after a poor experience.^[12]

Evidence-Based Practice & Research

Evidence-based practice integrates the best evidence, clinical expertise, and patient values; frame the question with PICO(T) and rank studies by the levels of evidence (systematic reviews and RCTs are strongest). The most-tested distinction: research generates new knowledge, EBP applies existing evidence, and quality improvement refines a local process. Human-subjects research is reviewed by an Institutional Review Board.^[6]

Nursing Teamwork & Collaboration

Nursing Teamwork and Collaboration is the second-largest domain at 21% of the exam — about 26 items.^[1] It covers delegation and supervision, career development and relationships, professional development, and leadership and change.

Delegation & Supervision

Delegation transfers the authority to perform a task while the RN retains accountability for the outcome.^[4] The five rights of delegation are the most-tested concept in the domain.

Scope determines who gets what. The RN never delegates the nursing-judgment steps — assessment, diagnosis, planning, evaluation, the initial teaching, triage, or the care of an unstable patient.

Unlicensed assistive personnel may do ADLs, vital signs on stable patients, intake and output, and routine specimen collection. The decision rule: delegate only routine, standardized tasks on stable patients.^[4]

Career Development & Relationships

Three developmental roles are routinely confused: a mentor guides long-term career growth, a coach builds a specific skill, and a preceptor guides the clinical orientation of a new nurse. Orient adults using andragogy — explain the why, build on experience, keep it relevant and problem-centered, and let learners be self-directed. Reflective practice builds clinical judgment by analyzing one’s own experience.

Professional Development

A competency is the demonstrated integration of knowledge, skills, and judgment for safe practice; Benner’s novice-to-expert model describes the move from rule-based to intuitive practice. Peer review evaluates a colleague’s practice against professional standards (distinct from a manager’s performance evaluation). Before designing staff education, perform an educational needs assessment to find the gap first.

Leadership & Change

Shared governance gives direct-care nurses formal authority over their practice — a hallmark of Magnet organizations. Among leadership styles, choose transformational leadership for change and engagement (autocratic only in a true emergency).

For change, know both Lewin’s three stages (unfreeze, change, refreeze) and ADKAR (awareness, desire, knowledge, ability, reinforcement) — address resistance early at awareness/desire and sustain it at reinforcement/refreeze. Team nursing is the most common med-surg care-delivery model.

How to Use This Study Guide

Work through the guide one domain at a time. After each domain, check it off in the contents to raise your exam-readiness score, then drill the same content in our free practice test and flashcards — active recall and timed practice are what move knowledge into exam-day performance.

• Weight your time by the blueprint. Patient/Care Management (32%) and Teamwork & Collaboration (21%) are more than half the exam — start there.
• Master delegation and prioritization. A large share of items hinge on the five rights of delegation, RN-vs-LPN-vs-UAP scope, and “who do you see first.”
• Memorize the high-frequency safety facts. Isolation precautions, the rights of medication administration, electrolyte signs, and antidotes appear again and again.
• Study the clinical module deeply. The body-systems content is tested within Patient/Care Management, so the disease, drug, and lab depth is worth real time.
• Practice clinical judgment. Use the CJMM steps on every scenario: recognize cues, prioritize, take the safe action, and evaluate.

Common questions candidates search and get asked — each answered briefly and backed by an official source (MSNCB, NCSBN, ANA, CDC, FDA, or ISMP). Tap any card to test yourself.

CMSRN Glossary

Key CMSRN terms in one place. Hover any dotted term throughout the guide for its definition; the full list is below.

CMSRN

Certified Medical-Surgical Registered Nurse — the credential awarded by the MSNCB to RNs who pass the medical-surgical nursing certification exam.

MSNCB

Medical-Surgical Nursing Certification Board — the credentialing arm of the Academy of Medical-Surgical Nurses (AMSN), which owns the CMSRN exam.

AMSN

Academy of Medical-Surgical Nurses — the professional organization whose certification board (MSNCB) develops the CMSRN exam and Core Curriculum.

ADPIE

The five-step nursing process: Assessment, Diagnosis, Planning, Implementation, Evaluation.

CJMM

NCSBN Clinical Judgment Measurement Model — a six-step framework (recognize cues, analyze cues, prioritize hypotheses, generate solutions, take action, evaluate outcomes) describing how nurses make safe decisions.

just culture

A safety culture that distinguishes honest human error from at-risk and reckless behavior, encouraging reporting of errors and near-misses without blame.

near-miss

An unplanned event that did not reach the patient but could have caused harm; it is still reported so the system can learn.

sentinel event

A patient-safety event that causes death, permanent harm, or severe temporary harm; it triggers a Root Cause Analysis.

RCA

Root Cause Analysis — a retrospective method used after an adverse event to find the underlying system causes.

FMEA

Failure Mode and Effects Analysis — a prospective method used before a process launches to identify and reduce risk before harm occurs.

never event

A serious, largely preventable error such as wrong-site surgery, a retained foreign object, or a Stage 3/4 hospital-acquired pressure injury.

two identifiers

Verifying a patient with two pieces of identifying information (name plus date of birth or MRN) before any med, procedure, specimen, or transfusion — never the room number.

restraint

A device or method that restricts movement; it requires a provider order (never PRN), is time-limited, and is used only after less-restrictive alternatives fail.

standard precautions

Infection-control measures applied to every patient at all times, treating all blood and body fluids as potentially infectious; hand hygiene is the most important.

transmission-based precautions

Contact, droplet, and airborne precautions added on top of standard precautions for specific known or suspected infections.

contact precautions

Gown and gloves and dedicated equipment for organisms spread by touch (MRSA, VRE, C. difficile, RSV, scabies).

droplet precautions

A surgical mask within about 6 feet for organisms spread by respiratory droplets (influenza, pertussis, meningococcus).

airborne precautions

An N95 respirator and a negative-pressure room with the door closed for airborne organisms (tuberculosis, measles, varicella).

rights of medication administration

The verification checklist — right patient, drug, dose, route, and time, plus documentation, reason, response, education, and the right to refuse.

high-alert medication

A drug with a heightened risk of serious harm if given in error (insulin, anticoagulants, opioids, concentrated electrolytes), requiring an independent double-check.

HIT

Heparin-induced thrombocytopenia — an immune drop in platelets ~5–10 days into heparin therapy that paradoxically causes clotting; stop all heparin and switch to a non-heparin anticoagulant.

Beers Criteria

The American Geriatrics Society list of potentially inappropriate medications to avoid or use cautiously in older adults.

multimodal analgesia

Combining analgesics with different mechanisms (opioid plus acetaminophen/NSAID plus an adjuvant) to maximize relief and reduce the opioid dose.

PCA by proxy

A prohibited practice in which someone other than the patient presses the patient-controlled analgesia button — a recognized cause of sentinel events.

Universal Protocol

The Joint Commission process to prevent wrong-site, wrong-procedure, and wrong-person surgery: pre-procedure verification, site marking, and a time-out.

time-out

A team pause immediately before a procedure to confirm the correct patient, procedure, and site.

evisceration

Protrusion of viscera through a surgical wound; cover with sterile moist gauze, position low-Fowler's with knees flexed, keep NPO — a surgical emergency.

refeeding syndrome

Dangerous electrolyte shifts (low phosphate, potassium, and magnesium) when nutrition is reintroduced to a severely malnourished patient; start slow and replace electrolytes.

ROME

An acid-base memory aid: Respiratory Opposite (pH and CO2 move opposite ways), Metabolic Equal (pH and bicarbonate move the same way).

Cushing's triad

A late, ominous sign of increased intracranial pressure: rising/widening pulse pressure (hypertension), bradycardia, and irregular respirations.

autonomic dysreflexia

A spinal-cord-injury emergency at or above T6 — severe hypertension and pounding headache; sit the patient up and remove the trigger (often a full bladder).

transfusion reaction

An adverse response to transfused blood (fever, chills, back pain, dyspnea); the first action is always to stop the transfusion and keep the line open with normal saline.

sepsis

Life-threatening organ dysfunction from a dysregulated response to infection; treated with the Surviving Sepsis hour-1 bundle.

SBAR

Situation, Background, Assessment, Recommendation — a structured handoff and escalation communication format.

closed-loop communication

A check-back in which the receiver repeats the message and the sender confirms it, reducing order and handoff errors.

chain of command

The hierarchy for escalating an unresolved patient-safety concern until the patient is safe.

rapid response team

A bedside team summoned for a deteriorating, non-arrest patient to prevent a code.

moral distress

Knowing the ethically right action but being constrained from taking it.

ANA Code of Ethics

The American Nurses Association's foundational ethical standard for nurses, organized into nine provisions with interpretive statements.

autonomy

The ethical principle of respecting a patient's right to self-determination.

beneficence

The ethical principle of acting in the patient's best interest — doing good.

nonmaleficence

The ethical principle of 'do no harm.'

veracity

The ethical principle of truth-telling.

HIPAA

The federal law protecting the privacy and security of patient health information.

EMTALA

The federal law requiring emergency medical screening and stabilization regardless of ability to pay.

nursing-sensitive indicators

Outcomes reflecting the quality of nursing care — falls, pressure injuries, CAUTI, and CLABSI rates — benchmarked through the NDNQI.

PDSA

Plan-Do-Study-Act — an iterative, small-cycle quality-improvement method.

HCAHPS

A standardized, publicly reported CMS patient-experience survey tied to value-based purchasing.

PICOT

Population, Intervention, Comparison, Outcome, and Time — the framework for an answerable evidence-based-practice question.

five rights of delegation

NCSBN's framework for safe delegation: right task, right circumstance, right person, right direction/communication, and right supervision/evaluation.

UAP

Unlicensed assistive personnel — a nursing assistant or technician who may perform ADLs, vital signs on stable patients, and routine tasks, but never assessment, teaching, or nursing judgment.

andragogy

Knowles's adult-learning theory: adults are self-directed, draw on experience, and learn best from relevant, problem-centered content.

preceptor

An experienced nurse who guides the clinical orientation and competency of a new nurse.

shared governance

A structural model that gives direct-care nurses formal authority over their professional practice.

transformational leadership

A leadership style that inspires and motivates change through a shared vision — the Magnet-preferred style.

ADKAR

A change-management model at the individual level: Awareness, Desire, Knowledge, Ability, Reinforcement.

Lewin's change theory

A three-stage change model: Unfreeze, Change (move), and Refreeze.

Magnet Recognition

The ANCC designation honoring nursing excellence and superior patient outcomes.

CMSRN Study Guide FAQ

References

1. 1.Medical-Surgical Nursing Certification Board (MSNCB). “CMSRN Certification Handbook (2023 Exam Blueprint; updated July 2025).” MSNCB. ↑
2. 2.Medical-Surgical Nursing Certification Board (MSNCB). “CMSRN Exam Processes, Scheduling, and Fees.” MSNCB. ↑
3. 3.Medical-Surgical Nursing Certification Board (MSNCB). “CMSRN Recertification.” MSNCB. ↑
4. 4.National Council of State Boards of Nursing (NCSBN). “National Guidelines for Nursing Delegation (Five Rights of Delegation).” NCSBN. ↑
5. 5.National Council of State Boards of Nursing (NCSBN). “Clinical Judgment Measurement Model.” NCSBN. ↑
6. 6.American Nurses Association (ANA). “Code of Ethics for Nurses with Interpretive Statements.” ANA. ↑
7. 7.Centers for Disease Control and Prevention (CDC). “Transmission-Based Precautions.” CDC. ↑
8. 8.Centers for Disease Control and Prevention (CDC). “Standard Precautions for All Patient Care.” CDC. ↑
9. 9.Institute for Safe Medication Practices (ISMP). “List of High-Alert Medications in Acute Care Settings.” ISMP. ↑
10. 10.U.S. Food and Drug Administration (FDA). “Blood Thinner Pills: Your Guide to Using Them Safely.” FDA. ↑
11. 11.The Joint Commission. “Universal Protocol & National Patient Safety Goals.” The Joint Commission. ↑
12. 12.Agency for Healthcare Research and Quality (AHRQ). “TeamSTEPPS Program (SBAR & communication tools).” AHRQ. ↑
13. 13.American Diabetes Association (ADA). “Standards of Care in Diabetes (hyperglycemic crises, DKA/HHS).” ADA. ↑
14. 14.American Heart Association / American College of Cardiology (AHA/ACC). “ACS & Heart Failure Guidelines.” AHA/ACC. ↑
15. 15.National Pressure Injury Advisory Panel (NPIAP). “Pressure Injury Staging System.” NPIAP. ↑
16. 16.Surviving Sepsis Campaign. “Hour-1 Bundle & International Guidelines.” Society of Critical Care Medicine. ↑
17. 17.National Institutes of Health / National Library of Medicine. “MedlinePlus — drug, lab, and disease reference.” NIH/NLM. ↑
18. 101.National Heart, Lung, and Blood Institute (NHLBI). “COPD — Treatment and Management.” nhlbi.nih.gov, accessed 18 June 2026. ↑
19. 102.National Heart, Lung, and Blood Institute (NHLBI). “Heart Failure — Treatment.” nhlbi.nih.gov, accessed 18 June 2026. ↑
20. 103.Centers for Disease Control and Prevention (CDC). “MedlinePlus — Low Potassium (Hypokalemia).” medlineplus.gov, accessed 18 June 2026. ↑
21. 104.U.S. Food and Drug Administration (FDA). “MedlinePlus — Insulin.” medlineplus.gov, accessed 18 June 2026. ↑

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