GI Physiology Quiz Questions
(47).jpg "GI Physiology Quiz Questions")
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- 1.Extrinsic stimulation (ANS) of the large intestine through the vagus nerve (PNS) causes?
- A.
Inhibition of colonic movement
- B.
Haustrations
- C.
Mass movements
- 2.Which of the following conditions is most likely to stimulate the secretion of cholecystokinin (CCK) from the duodenal mucosa?
- A.
Elevated amino acids in the gut
- B.
Elevated free fatty acids in the gut
- C.
Elevated glucose in the gut
- D.
High pH in the gut
- E.
Hypotonicity in the gut
- 3.Which of the following conditions is most likely to stimulate the secretion of glucose-dependent insulinotropic peptide/Gastric Inhibitory Peptide (GIP) from the duodenal mucosa?
- A.
Elevated amino acids in the gut
- B.
Elevated free fatty acids in the gut
- C.
Elevated glucose in the gut
- D.
High pH in the gut
- E.
Hypotonicity in the gut
- 4.Which of the following conditions is most likely to stimulate the secretion of gastrin from the duodenal mucosa?
- A.
Elevated amino acids in the gut
- B.
Elevated free fatty acids in the gut
- C.
Elevated glucose in the gut
- D.
High pH in the gut
- E.
Hypotonicity in the gut
- 5.Which of the following conditions is most likely to stimulate the secretion of secretin from the duodenal mucosa?
- A.
Elevated amino acids in the gut
- B.
Elevated free fatty acids in the gut
- C.
Elevated glucose in the gut
- D.
High pH in the gut
- E.
Hypotonicity in the gut
- 6.Which of the following conditions is most likely to stimulate the secretion of an unknown hormone from the duodenal mucosa that plays a role in decreased gastric emptying?
- A.
Elevated amino acids in the gut
- B.
Elevated free fatty acids in the gut
- C.
Elevated glucose in the gut
- D.
High pH in the gut
- E.
Hypotonicity in the gut
- 7.What is the most common type of motility associated with the descending colon?
- A.
Haustrations
- B.
Antipropulsive movements
- C.
Mass movement
- D.
Perisatalsis
- E.
Segmentation
- 8.What is the most common type of motility associated with the small intestine?
- A.
Haustrations
- B.
Antipropulsive movements
- C.
Mass movement
- D.
Perisatalsis
- E.
Segmentation
- 9.What is the most common type of motility associated with the esophagus?
- A.
Haustrations
- B.
Antipropulsive movements
- C.
Mass movement
- D.
Perisatalsis
- E.
Segmentation
- 10.What is the type of motility that occurs in the small intestine to move chime caudally?
- A.
Haustrations
- B.
Antipropulsive movements
- C.
Mass movement
- D.
Perisatalsis
- E.
Segmentation
- 11.What is the type of motility that occurs in the small intestine to facilitate mixing. It is basically a bidirectional form of peristalsis?
- A.
Haustrations
- B.
Antipropulsive movements
- C.
Mass movement
- D.
Perisatalsis
- E.
Segmentation
- 12.If ingested as a meal, the following will drain out of the stomach in what order?carbs, fats, proteins, liquids
- 13.What is the primary pre-ganglionic neurotransmitter in the SNS (sympathetic) nervous system?
- A.
Ach
- B.
NE
- C.
Epi
- D.
NO
- 14.What is the primary post-ganglionic neurotransmitter in the SNS (sympathetic) nervous system?
- A.
Ach
- B.
NE
- C.
Epi
- D.
NO
- 15.Contraction of the circular layer causes the lumen to become narrower.
- A.
True
- B.
False
- 16.Contraction of the longitudinal layer causes the lumen to become narrower.
- A.
True
- B.
False
- 17.The_____layer of GI smooth muscle exhibits stronger constrictions because it has more gap junctions.
- A.
Circular
- B.
Longitudinal
- 18.The lamina propria (a sublayer of the mucosa) and the submucosa both consist primarily of?
- A.
Loose connective tissue
- B.
Intestinal smooth muscle
- C.
Areolar connective tissue
- D.
Squamous mesothelial cells
- 19.In which of the tunics of the GI system would you find glands?
- A.
Mucosa
- B.
Submucosa
- C.
Muscularis externa
- D.
Serosa
- 20.In which layer would you find plexuses of the enteric nervous system?
- A.
Mucosa
- B.
Submucosa
- C.
Muscularis externa
- D.
Serosa
- 21.
![What is the parasympathetic innervation of the cecum, ascending colon, and transverse colon? - ProProfs]( "What is the parasympathetic innervation of the cecum, ascending colon, and transverse colon?")
What is the parasympathetic innervation of the cecum, ascending colon, and transverse colon?- A.
Vagus n.
- B.
Pelvic n.
- C.
Superior mesenteric n.
- D.
Inferior mesenteric n.
- E.
Inferior hypogastric n.
- F.
Superior hypogastric n.
- 22.
![What is the parasympathetic innervation of the descending colon, sigmoid colon, rectum, and anal canal? - ProProfs]( "What is the parasympathetic innervation of the descending colon, sigmoid colon, rectum, and anal canal?")
What is the parasympathetic innervation of the descending colon, sigmoid colon, rectum, and anal canal?- A.
Vagus n.
- B.
Pelvic n.
- C.
Superior mesenteric n.
- D.
Inferior mesenteric n.
- E.
Inferior hypogastric n.
- F.
Superior hypogastric n.
- 23.
![What is the sympathetic innervation of the descending colon and transverse colon? - ProProfs]( "What is the sympathetic innervation of the descending colon and transverse colon?")
What is the sympathetic innervation of the descending colon and transverse colon?- A.
Vagus n.
- B.
Pelvic n.
- C.
Superior mesenteric n.
- D.
Inferior mesenteric n.
- E.
Inferior hypogastric n.
- F.
Superior hypogastric n.
- 24.
![What is the sympathetic innervation of the cecum and ascending colon? - ProProfs]( "What is the sympathetic innervation of the cecum and ascending colon?")
What is the sympathetic innervation of the cecum and ascending colon?- A.
Vagus n.
- B.
Pelvic n.
- C.
Superior mesenteric n.
- D.
Inferior mesenteric n.
- E.
Inferior hypogastric n.
- F.
Superior hypogastric n.
- 25.
![What is the sympathetic innervation of the sigmoid colon? - ProProfs]( "What is the sympathetic innervation of the sigmoid colon?")
What is the sympathetic innervation of the sigmoid colon?- A.
Vagus n.
- B.
Pelvic n.
- C.
Superior mesenteric n.
- D.
Inferior mesenteric n.
- E.
Inferior hypogastric n.
- F.
Superior hypogastric n.
.png "What is the parasympathetic innervation of the cecum, ascending colon, and transverse colon?")
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