CGRN Practice Test 2026 — Free CGRN Exam Prep Questions
The CGRN credential recognizes registered nurses with at least two years of GI/endoscopy experience who demonstrate specialty knowledge in gastroenterology nursing. Our practice set follows the ABCGN CGRN Test Blueprint effective May 1, 2023, with clinical vignettes on endoscopic and non-endoscopic procedures, moderate sedation, complications, GI pharmacology and endoscope reprocessing.
After bedside precleaning, a flexible gastroscope arrives in the reprocessing room. Which step must be completed before the scope is immersed for manual cleaning?
CGRN format, scoring & key facts
Facts last verified Oct 5, 2026. Source: www.abcgn.org/Certification/CGRN-Test-Blueprint. Always confirm details with ABCGN before your exam.
When can you take the CGRN?
Plan backwards from your exam date
What the CGRN covers
Every PrepBanq CGRN test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
General Nursing CareAssessing and monitoring GI patients, GI anatomy and pathophysiology, pharmacology, patient rights and privacy, standards and role delineation, and patient education. | 21% | ~37 | 5 questions → |
Gastroenterological ProceduresCollaborating during endoscopic and non-endoscopic procedures: equipment, environment of care, sedation and procedure medications, complications and specimen handling. | 35% | ~61 | 9 questions → |
Patient Care InterventionsResponding to emergent changes, sedation guidelines, health promotion and screening, GI medication and fluid administration and adverse reactions. | 25% | ~44 | 6 questions → |
Environmental Safety, Infection Prevention and ControlEndoscope reprocessing, Spaulding classification, high-level disinfection, electrical/chemical/radiation safety, PPE, pathogen transmission and MDROs. | 19% | ~33 | 5 questions → |
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CGRN FAQ
How many questions are on the CGRN?
The CGRN has 175 questions and you have 3 hours to finish. Question types: Multiple choice (four options, one correct answer).
How long is the CGRN exam?
Testing time for the CGRN is 3 hours.
What is on the CGRN?
The CGRN covers General Nursing Care (about 21%), Gastroenterological Procedures (about 35%), Patient Care Interventions (about 25%), Environmental Safety, Infection Prevention and Control (about 19%).
Who administers the CGRN?
The Certified Gastroenterology Registered Nurse (CGRN) Exam is administered by ABCGN.
Is there a free CGRN practice test?
Yes. PrepBanq has 3 free CGRN practice tests with 25 exam-style questions in the real CGRN formats, and every answer is explained. No credit card is needed.
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