Physiology Gastro-Intestinal Tract Set 2

1. the process by which large pieces of food are cut and crushed into smaller pieces is called :

2. Food that leaves the stomach is in the form of a thick liquid. This liquid is called :

3. Intrinsic factor is :

4. Digestion of proteins begins in the :

5. The intrinsic nerve plexuses :

6. The ileocecal sphincter :

7. The hormone that inhibit gastric secretion and motility is :

8. The gastric juice produced in the stomach contains mucus, hydrochloric acid, and :

9. Which of the following would most likely decrease the number of spike potentials
generated in the GI smooth muscle?

10. Saliva DOESN’T contain :

11. Which of the following is true about pancreatic secretions?

12. Swallowing is a complex process that involves signaling between the pharynx and swallowing
center in the brainstem. Which of the following structures is critical for determining whether a bolus of
food is small enough to be swallowed?

13. Which of the following hormones is released by the presence of fat and protein in the small intestine
and has a major effect to decrease gastric emptying?

14. Which of the following is true of the gastro enteric reflex?

15. Chief cells of gastric mucosa secrete :

16. Lipids :

17. The digestion of all types of nutrients is completed in the :

18. Inhibition of vagal function has the greatest effect on which segment of the alimentary tract?

19. The enzyme that digests proteins is :

20. Which of following digestive organs does not show peristalsis:

21. Bile acts on :

22. The enzyme in saliva helps to digest :

23. The process of breaking down large droplets of fat into small droplets of fat is called :

24. Stimulation of the submucosal plexus results in an increase in which of the following?

25. Which of the following is a likely consequence of ileal resection?