BIOL 404-Exam 4-GI 18

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Author:
kyleannkelsey
ID:
217326
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BIOL 404-Exam 4-GI 18
Updated:
2013-05-02 17:44:08
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BIOL 404 Exam GI 18
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BIOL 404-Exam 4-GI 18
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  1. When sympathetic activity increases, what happens to gastric emptying?
    Decreases
  2. When parasympathetic activity increases, what happens to gastric emptying?
    Increases
  3. When the stomach is distended, what happens to the gastric emptying rate?
    Increases
  4. What are Intestinal phase stimuli that trigger negative feedback for gastric emptying?
    • Distention of the small intestine
    • Hydrogen ions
    • Hypertonic solutions
    • Products of digestion
  5. What are the two ways of decreasing gastric emptying?
    Activating short and long neural reflexes to decrease the force of gastric peristaltic contractions
  6. Long reflex actions of inhibiting gastric emptying include what?
    Decrease in parasympathetic activity and increase in sympathetic activity
  7. Intestinal stimuli also induce the release of what to slow gastric emptying?
    Enterogastrones, which feedback to decrease the force of gastric contractions
  8. What do Enterogastrones do?
    Feedback to decrease the force of gastric contractions
  9. Enterogastrone is a general term for what?
    Intestinal hormones that feedback to inhibit gastric functions
  10. Enterogastrone include what hormones?
    • Cholecystokinin
    • Secretin
    • GIP
    • PYY
    • GLP-1
  11. What hormones decrease gastric emptying?
    • Cholecystokinin
    • Secretin
    • GIP
    • PYY
    • GLP-1

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