Practice Test GeeksCGRN - Certified Gastroenterology Registered Nurse Practice Test
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Trivia 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 Trivia flashcards as text

  1. In what year did Barry Marshall drink a Petri dish of H. pylori culture to prove it caused gastritis?

    Answer: 1984

    In 1984, Marshall drank H. pylori to prove Koch's postulates, developing gastritis and curing himself with antibiotics.

  2. What is the origin of the term 'endoscopy'?

    Answer: Greek: 'endon' (within) + 'skopein' (to look)

    From Greek 'endon' (within) and 'skopein' (to look at/examine).

  3. Which organ produces approximately 1-1.5 liters of bile per day?

    Answer: Liver

    The liver produces 500-1,500 mL of bile daily. The gallbladder only stores and concentrates bile.

  4. What is the approximate total length of the adult human GI tract?

    Answer: 25-30 feet (7.5-9 meters)

    The total GI tract is approximately 25-30 feet, with the small intestine comprising about 20 feet.

  5. The first successful endoscopic polypectomy using a wire snare was performed in what decade?

    Answer: 1970s

    In 1971, Hiromi Shinya and William Wolff performed the first successful colonoscopic polypectomy at Beth Israel Medical Center.

  6. What unusual distinction does the stomach have among digestive organs regarding its muscle layers?

    Answer: It has three muscle layers instead of the typical two

    The stomach uniquely has three smooth muscle layers: longitudinal, circular, and oblique.

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