Gastrointestinal Pharmacology Quiz
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Questions and Answers

Which phase of GI motor activity is characterized by rhythmic contractions of short segments of intestines lasting 6-10 minutes?

  • Phase III (correct)
  • Phase I
  • Phase IV
  • Phase II
  • Which neurotransmitter is responsible for the ascending excitatory response in peristalsis?

  • NO
  • VIP
  • Acetylcholine (correct)
  • ATP
  • Which neurotransmitter is responsible for the descending inhibitory response in peristalsis?

  • Acetylcholine
  • ATP
  • NO (correct)
  • VIP
  • What is the name of the complex that sweeps debris caudad, preventing the overgrowth of commensal bacteria?

    <p>MMC</p> Signup and view all the answers

    During the fasting phase, which phase of GI motor activity is characterized by quiescence?

    <p>Phase I</p> Signup and view all the answers

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