Recent Lessons

Show all results for ""

Gastrointestinal Pharmacology Quiz

Choose a study mode

Play Quiz

Study Flashcards

Spaced Repetition

Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

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 (A)</p> Signup and view all the answers

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

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

Flashcards

Phase III GI motility

Rhythmic contractions of short intestinal segments (6-10 minutes).

Peristalsis Excitation

Acetylcholine triggers increased gut movement.

Peristalsis Inhibition

Nitric Oxide (NO) slows gut movement.

MMC function

Complex that sweeps debris out, limits bacteria.

Signup and view all the flashcards

Phase I GI quiescence

Period of inactivity/rest in the gut during fasting.