Practice Test GeeksCGRN - Certified Gastroenterology Registered Nurse Practice Test
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MCQ Flashcards

6 cards from real CGRN practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 MCQ flashcards as text

  1. Which portion of the colon is most commonly affected by ischemic colitis?

    Answer: Splenic flexure (watershed area)

    The splenic flexure is a watershed area between SMA and IMA territories, most vulnerable to ischemia.

  2. A patient with cirrhosis develops spontaneous bacterial peritonitis. What is the most common causative agent?

    Answer: Escherichia coli

    E. coli accounts for approximately 40% of SBP cases via bacterial translocation from the gut.

  3. Which serum marker is most useful for monitoring ulcerative colitis disease activity?

    Answer: Fecal calprotectin

    Fecal calprotectin directly reflects intestinal inflammation and correlates closely with endoscopic disease activity.

  4. What is the initial management for acute esophageal food bolus impaction?

    Answer: IV glucagon trial, then flexible endoscopy if unsuccessful

    Start with IV glucagon 1 mg, then endoscopic removal if the bolus does not pass.

  5. A 4 cm smooth submucosal mass is found in the stomach incidentally. What is the most likely diagnosis?

    Answer: Gastrointestinal stromal tumor (GIST)

    GISTs are the most common mesenchymal tumors of the GI tract, 60-70% occurring in the stomach.

  6. What is the most common cause of acute pancreatitis?

    Answer: Gallstones

    Gallstones account for approximately 40% of acute pancreatitis cases.

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