Question 1
Which bowel preparation is most commonly used before colonoscopy in the United States?
Correct Answer:
Polyethylene glycol (PEG) electrolyte solution
Question 2
The Boston Bowel Preparation Scale (BBPS) scores each of the three colon segments from 0 to 3; what is the minimum acceptable total score for an adequate colonoscopy?
Correct Answer:
6
Question 3
During upper endoscopy (EGD), the Z-line (squamocolumnar junction) is normally located at approximately how many centimeters from the incisors?
Correct Answer:
35–40 cm
Question 4
Capsule endoscopy is considered the first-line test for suspected bleeding in which GI region?
Correct Answer:
Small bowel (mid-GI)
Question 5
Endoscopic retrograde cholangiopancreatography (ERCP) is considered first-line therapy for which condition?
Correct Answer:
Common bile duct stones (choledocholithiasis)
Question 1
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About this Exam

Prepare with the Certified Gastroenterology Registered Nurse (CGRN) practice quiz. This question bank includes 86 questions covering condition, primary, bowel, colon, and first-line. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Certified Gastroenterology Registered Nurse (CGRN)

This practice set contains 86 questions from the matching question bank and focuses on condition, primary, bowel, colon, and first-line. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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