Digestive System MCQ Questions and Answers Quiz

11. Gastric juices in the stomach

  1. kill bacteria
  2. work together to digest food
  3. include hydrochlorid acid
  4. All of the above

12. What kind of movements occur when the smooth muscles contract rythmically in small sections of the tube?

  1. mixing movement
  2. contractile movements
  3. paristalsis movements
  4. parietal movements

13. What kind of smooth muscle movement includes a wavelike motion of contraction behind a mass of food?

  1. mixing movement
  2. parietal movement
  3. peristalsis movement
  4. contrractile movement

14. Mechanical digestion begins in the:

  1. mouth
  2. stomach
  3. small intestine
  4. large intestine

15. Chemical digestion of starch foods begins in the

  1. mouth
  2. stomach
  3. small intestine
  4. large intestine

16. Chemical digestion of protein begins in the

  1. mouth
  2. stomach
  3. small intestine
  4. large intestine

17. Which of the following is NOT a secretory cell in the alimentary canal?

  1. Mucous cell
  2. Parietal cell
  3. Kupffner cell
  4. Chief cell

18. The correct sequence for the layers within the wall of the alimentary canal from inside to outside is

  1. mucous membrane, muscular layer, serous layer, submucosa
  2. mucous membrane, submucosa, muscular layer, serous layer
  3. submucosa, mucous membrane, serous layer, muscular layer
  4. serous layer, muscular layer, mucous membrane, submucosa

19. What are the 3 major salivary glands?

  1. parotid, submandibular, and sublingual
  2. parotid, submaxillary, and sublingual
  3. parotid, submaxillary, and submandibular
  4. parathyroid, submandibular, and submaxillary

20. The purpose of the intestinal villi is to

  1. secrete serous fluid to decrease friction among the organs
  2. push the fecal matter into the rectum
  3. secrete mucous to facilitate the movement of chyme through the alimentary canal
  4. increase surface area for nutrient absorption
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