Practice Questions on the Digestive System
Page 1

  1. The site of production of cholecystokinin and secretin is the:
    1. Stomach
    2. Pancreas
    3. Small Intestine
    4. Large Intestine

  2. Alkaline mucous glands are found in the submucosa of the:
    1. Ileum
    2. Jejunum
    3. Duodenum
    4. Cardiac region of the stomach
    5. Fundic region of the stomach

  3. The _______________________ anchors the liver to the lesser curvature of the stomach.
  4. True or False Bile and blood flow in opposite directions in the liver lobule.
  5. Which of the following is not a function of the liver?
    1. Production of bile
    2. Detoxification of drugs
    3. Storage of glucose
    4. Storage of Vitamin C

  6. The gallbladder:
    1. Produces bile
    2. Is attached to the pancreas
    3. Stores and concentrates bile
    4. Produces cholecystokinin

  7. The small fat-filled appendages of visceral peritoneum that hang from the surface of the large intestine are known as _______________.
  8. True or False: All digestive organs are intraperitoneal.
  9. The majority of the absorption of digested nutrients occurs in the:
    1. Stomach
    2. Ileum
    3. Jejunum
    4. Cecum

  10. Which of the following sphincters is under voluntary control?
    1. Pyloric
    2. Cardiac
    3. Hepatopancreatic
    4. Internal anal
    5. External anal

  11. High doses of antibiotics can destroy the bacterial flora of the large intestine. This can result in impaired:
    1. Absorption of protein
    2. Blood coagulation
    3. Bone resorption
    4. Respiratory control

  12. Look at the following layers of the alimentary canal. Arrange them from closest to the lumen to farthest from the lumen.
    1. Serosa
    2. Mucosa
    3. Muscularis externa
    4. Submucosa

  13. During exercise, the percentage of the cardiac output received by the digestive organs will ______________.
  14. Which structure thickens in certain regions of the alimentary canal in order to act as a sphincter?
    1. Circular layer of the muscularis mucosae
    2. Longituidnal layer of the muscularis mucosae
    3. Circular layer of the muscularis externa
    4. Longitudinal layer of the muscularis externa

  15. The internal lip is joined to the gum by the _____________.
  16. The anterior 2/3 of the tongue is separated from the posterior 1/3 by the __________________.
  17. The 3 pairs of extrinsic salivary glands are the:
    1. Parotid, sublingual, and ethmoidal
    2. Parotid, buccal, and submaxillary
    3. Parotid, submandibular, and buccal
    4. Parotid, submandibular, and sublingual

  18. Which of the following is correct?
    1. Adult incisors lack dentin
    2. Adult incisors lack enamel
    3. Adult premolars lack cementum
    4. Adult premolars lack enamel
    5. None of the above

  19. At the junction between the esophagus and the stomach, the epithelial lining changes abruptly from __________________ to _________________.
    1. Nonkeratinized stratified squamous; simple columnar
    2. Simple columnar; nonkeratinized stratified squamous
    3. Nonkeratinized simple squamous; stratified columnar
    4. Stratified columnar; nonkeratinized simple squamous

  20. In the stomach, food is turned into a paste called _____________.
  21. The entire convex lateral surface of the stomach is the ____________.

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