What are the eligibility requirements for the CMSRN exam?

To be eligible for the CMSRN (Certified Medical-Surgical Registered Nurse) exam, candidates must hold a current, active RN license in the US or Canada, have at least two years of experience as a registered nurse, and have accumulated at least 2,000 hours of med-surg nursing practice within the three years immediately preceding the application date. The 2,000 hours must be in direct patient care in medical-surgical nursing — they cannot be entirely administrative or supervisory hours. There is no specific educational requirement beyond the RN licensure. MSNCB recommends that candidates have at least two years of clinical experience in medical-surgical nursing before attempting the exam, as the content reflects advanced clinical judgment rather than entry-level nursing knowledge.

What is the difference between CMSRN and MEDSURG-BC certifications?

Both the CMSRN (from MSNCB — Medical-Surgical Nursing Certification Board) and the MEDSURG-BC (from ANCC — American Nurses Credentialing Center) certify registered nurses in medical-surgical nursing. The credentials are both nationally recognized and accepted by employers, and they have similar eligibility requirements. Key differences: the CMSRN exam is 150 questions over 3 hours; the MEDSURG-BC exam is 175 questions over 3.5 hours with 25 pretest items. The CMSRN focuses exclusively on medical-surgical nursing content, while the MEDSURG-BC exam includes questions from the ANCC Nursing Professional Development framework alongside clinical content. Both renew every 5 years. The choice often depends on the candidate's preferred study materials — MSNCB offers the CMSRN Core Curriculum as the primary study resource, while ANCC offers study materials aligned with its exam blueprint.

How should a nurse interpret a patient's acute ABG with pH 7.28, PaCO2 55, HCO3 26?

This ABG shows respiratory acidosis (pH below 7.35 is acidosis; PaCO2 above 45 mmHg confirms respiratory cause — CO2 is being retained). The bicarbonate is slightly elevated at 26 mEq/L (normal 22-26) — this is mild metabolic compensation, suggesting this may be an acute-on-chronic situation. In acute COPD exacerbation, CO2 retention is the problem — the treatment priority is improving ventilation (position patient upright, titrate O2 to SpO2 88-92% to avoid suppressing hypoxic drive, consider BiPAP/CPAP, bronchodilators, steroids). The nurse should report to the provider, prepare for potential non-invasive ventilation, and monitor neurological status (CO2 narcosis signs — confusion, somnolence). Compare to previous ABGs if available to determine the patient's baseline.

What nursing actions are priorities for a patient presenting with acute upper GI bleed?

Priority nursing actions for acute upper GI bleed: (1) IV access — establish two large-bore (18-gauge or larger) IVs immediately for rapid fluid and blood product administration; (2) hemodynamic monitoring — vital signs every 15-30 minutes initially; assess for orthostatic hypotension as a sign of significant volume loss; (3) NPO status — nothing by mouth in anticipation of endoscopy and potential intervention; (4) blood type and crossmatch — anticipate transfusion; hemoglobin threshold for transfusion typically <7 g/dL (higher thresholds for cardiac patients); (5) proton pump inhibitor — IV PPI infusion per protocol (reduces acid, may slow bleeding); (6) hematocrit monitoring — note that H&H may not reflect acute blood loss immediately (equilibration takes 4-6 hours); (7) NG tube as ordered — assess aspirate color; (8) stool characteristic assessment — bright red blood per rectum suggests lower GI or very rapid upper GI bleed; melena suggests slower upper GI bleed; (9) prepare patient and family for likely endoscopy.

CMSRN Practice Test PDF (Free Printable 2026)

Pass your CMSRN exam on the first attempt. Practice questions with detailed answer explanations, hints, and instant scoring.

CMSRN - Medical-Surgical NursingMay 8, 20267 min read

CMSRN Practice Test PDF – Free Printable Medical-Surgical Nursing Exam Prep

Preparing for the CMSRN (Certified Medical-Surgical Registered Nurse) certification from MSNCB? A printable CMSRN practice test PDF gives you an offline format to review cardiovascular nursing, respiratory care, gastrointestinal conditions, renal care, postoperative nursing, and patient safety that the medical-surgical nursing certification examination assesses. Med-surg nurses manage the broadest patient populations in acute care — the CMSRN validates expertise across multiple body systems and nursing domains. This page provides a free PDF download and a comprehensive CMSRN exam preparation guide.

The CMSRN is issued by the Medical-Surgical Nursing Certification Board (MSNCB) and requires two years of RN experience with 2,000 hours of med-surg nursing practice in the past three years. The exam consists of 150 scored questions administered over three hours at Prometric testing centers. CMSRN certification is renewable every five years through continuing education or re-examination and is recognized as a mark of excellence in medical-surgical nursing practice.

Key Takeaway: CMSRN certification demonstrates expertise in this field. Most candidates spend 4-8 weeks preparing with practice tests before taking the exam.

CMSRN Practice Test PDF (Free Printable 2026)

📄Download Free CMSRN PDF

CMSRN Exam Content Areas

Your CMSRN practice test PDF covers the major nursing knowledge domains tested on the MSNCB CMSRN examination.

Cardiovascular Nursing

Cardiovascular care accounts for a significant portion of CMSRN content: heart failure management (HFrEF vs HFpEF; RAAS inhibition — ACE inhibitors/ARBs reduce preload and afterload; diuretics — loop diuretics furosemide for fluid overload; daily weight monitoring; fluid restriction; orthopnea and paroxysmal nocturnal dyspnea assessment; BNP/NT-proBNP elevation in decompensation), acute coronary syndrome nursing (STEMI vs NSTEMI differentiation; troponin trend — initial and 3-hour draw; aspirin, anticoagulants, and P2Y12 inhibitors; post-cardiac catheterization care — vascular access site — femoral hematoma monitoring, radial artery occlusion check; hold anticoagulants per protocol; activity restrictions), cardiac dysrhythmias (atrial fibrillation — rate control goals, anticoagulation for stroke prevention — CHA₂DS₂-VASc score; ventricular tachycardia recognition — sustained vs non-sustained; pacemaker patients — magnet use, electromagnetic interference education), and hypertensive urgency vs emergency (urgency = severe BP without target organ damage — oral antihypertensives; emergency = target organ damage — IV antihypertensives, ICU-level monitoring; posterior reversible encephalopathy syndrome signs).

Respiratory and GI/GU Nursing

Respiratory care: COPD exacerbation management (controlled oxygen therapy — target SpO2 88-92% to preserve hypoxic drive; bronchodilators — short-acting beta-2 agonists, anticholinergics; systemic steroids; antibiotics for bacterial exacerbations; ABG interpretation — respiratory acidosis with metabolic compensation in chronic COPD; BiPAP as non-invasive ventilation before intubation), pneumonia care (CAP vs HAP organisms — MRSA and Pseudomonas risk factors for HAP; VAP bundle for intubated patients; incentive spirometry use; early ambulation), and pulmonary embolism nursing (Virchow's triad — stasis, hypercoagulability, endothelial injury; massive PE shock presentation vs submassive; anticoagulation — heparin infusion, LMWH, direct oral anticoagulants; IVC filter indications; bleeding precautions education). GI/GU care: upper GI bleed (hematemesis vs melena; orthostatic vital signs; large-bore IV access; NPO status; H. pylori testing; proton pump inhibitor infusion; post-endoscopy monitoring), hepatic encephalopathy (lactulose dosing — target 2-3 soft stools daily; ammonia-reducing diet — limiting protein from red meat; rifaximin; neurological status monitoring — asterixis), acute kidney injury nursing (prerenal vs intrinsic vs postrenal distinction; hourly urine output monitoring — oliguria <0.5 mL/kg/hr; fluid challenge for prerenal; nephrotoxic drug avoidance; contrast nephropathy prevention — hold metformin, IV hydration protocol), and electrolyte imbalances (hypokalemia EKG — flattened T waves, U waves, arrhythmia risk; hyperkalemia EKG — peaked T waves, widened QRS, sine wave; SIADH vs diabetes insipidus — hyponatremia vs hypernatremia; fluid restriction vs replacement).

Postoperative and Patient Safety

Postoperative nursing: respiratory complication prevention (incentive spirometry every hour while awake; cough and deep breathing exercises; early ambulation — first ambulation within 4-8 hours of surgery; patient positioning — HOB elevation; TCDB instructions), surgical site infection prevention (SSI bundle — appropriate antibiotic timing pre-op; normothermia maintenance; blood glucose control <180 mg/dL; incision assessment — REEDA — redness, edema, ecchymosis, drainage, approximation), pain management (multimodal analgesia — scheduled NSAID or acetaminophen plus opioid PRN; CIWA-Ar protocol for alcohol withdrawal risk; opioid side effects — constipation prophylaxis with bowel regimen, respiratory depression monitoring, naloxone availability), DVT prophylaxis (Caprini score risk stratification; sequential compression devices while in bed; ambulation; anticoagulant prophylaxis per protocol; patient education — call light use, no leg crossing), and fluid/electrolyte management post-op. Patient safety fundamentals: pressure injury prevention (Braden scale — score ≤18 = at risk; repositioning every 2 hours; moisture management; nutrition optimization), fall prevention (Morse or STRATIFY scale; bed alarm for high-risk patients; call light within reach; non-slip footwear; toileting schedule), medication reconciliation (transitions of care — admission, transfer, and discharge reconciliation; high-alert medications — insulin, anticoagulants, concentrated electrolytes), and SBAR communication (handoff structure for safe information transfer).

How to Use This PDF

Focus on cardiovascular care and postoperative nursing — these are the highest-weighted CMSRN content areas. After this PDF, take online CMSRN practice tests at cmsrn for instant scored feedback across all nursing domains.

Multiple ChoiceFormat

2-3 HoursDuration

70-75%Passing Score

Year-RoundAvailability

✓Know HF management: daily weights, fluid restriction, ACE inhibitor/ARB + diuretic combination therapy
✓Study ACS nursing: troponin trend timing, post-cath site monitoring, antiplatelet and anticoagulant protocols
✓Review COPD O2 therapy: target SpO2 88-92% — higher O2 can suppress hypoxic drive in severe COPD
✓Know PE Virchow's triad: venous stasis + hypercoagulability + endothelial injury = DVT/PE risk
✓Study hypokalemia EKG: flattened T waves + U waves — arrhythmia risk increases below 3.0 mEq/L
✓Review hyperkalemia EKG: peaked T waves → widened QRS → sine wave pattern → cardiac arrest risk
✓Know hepatic encephalopathy: lactulose target 2-3 soft stools/day; limit protein from red meat sources
✓Study Braden scale: ≤18 = pressure injury risk — initiate repositioning, moisture barrier, nutrition plan
✓Review DVT prophylaxis: SCDs + ambulation + anticoagulants per Caprini score risk stratification
✓Know SBAR: Situation → Background → Assessment → Recommendation — structured handoff communication

Free CMSRN Practice Tests Online

After completing this PDF, take full online CMSRN practice tests at cmsrn — instant scoring across cardiovascular, respiratory, GI/GU, postoperative, and patient safety nursing with explanations for every answer. Use both: PDF for offline clinical concept review, online for timed MSNCB CMSRN exam simulation.

CMSRN Key Concepts

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What is the passing score for the CMSRN exam?

Most CMSRN exams require 70-75% to pass. Check the official exam guide for exact requirements.

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How long is the CMSRN exam?

The CMSRN exam typically allows 2-3 hours. Time management is critical for success.

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How should I prepare for the CMSRN exam?

Start with a diagnostic test, create a 4-8 week study plan, and take at least 3 full practice exams.

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What topics does the CMSRN exam cover?

The CMSRN exam covers multiple domains. Review the official content outline for the complete list.