Practice Questions on the Digestive System
Page 5

  1. As a sympathetic antagonist is injected iv, intestinal motility and secretion will __________________.
  2. As plasma [secretin] increases, stomach acid secretion will ____________.
  3. As plasma [CCK] increases, gastric motility will __________________.
  4. As plasma [gastrin] decreases, parietal cell secretion will _________________.
  5. As plasma [CCK] decreases, bile secretion ________________.
  6. What brain center controls deglutition?
  7. What type of contraction propels food thru the esophagus?
  8. How does atrophy of the gastric mucosa cause pernicious anemia?
  9. How would removal of the terminal ileum cause pernicious anemia?
  10. Most of the water you drink is absorbed in the:
    1. Colon
    2. Jejunum
    3. Stomach
    4. Kidney

  11. What organ produces the enzyme trypsin?
    1. Gallbladder
    2. Liver
    3. Pancreas
    4. Spleen

  12. In which test tube would protein digestion occur at the highest rate?
    1. Tube containing pepsinogen and salivary amylase
    2. Tube containing pepsinogen
    3. Tube containing HCl
    4. Tube containing HCl and intestinal amylase
    5. Tube containing HCl and pepsinogen


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