Chapter 25 the digestive system testing your recall

9. Which of the following cells secrete digestive enzymes? A. chief cells B. mucous neck cels C. parietal cells D. goblet cells E. enteroendocrine cells`

A. chief cells

5. The lacteal absorb A. chylomicrons. B. micelles. C. emulsification droplets. D. amino acids. E. monosaccharides.

A. chylomicrons.

8. Anatomically, the ______ of the stomach most closely resemble the _____ of the small intestine. A. gastric pits, intestinal crypts B. pyloric glands, intestinal crypts C. rugae, Peyer patches D. parietal cells, goblet cells. E. gastric glands, duodenal glands

A. gastric pits, intestinal crypts

7. Which of the following is a periodontal tissue? A. the gingiva. B. the enamel. C. the cementum. D. the pulp. E. the dentin.

A. the gingiva.

10. What phase of gastric regulation includes inhibits by the enterogastric reflex? A. the intestinal phase B. the gastric phase C. the buccal phase D. the cephalic phase E. the pharyngoesophageal phase

A. the intestinal phase

1. Which of the following enzymes act in the stomach? A. chymotrypsin. B. lingual lipase. C. carboxypeptidase. D. enterokinase. E. dextrinase.

B. lingual lipase.

6. All of the following contribute to the absorptive surface area of the small intestine except. A. its length. B. the brush border. C. haustra. D. circular folds. E. villi.

C. haustra.

3. Which of the following is not n enzyme? A. chymotrypsin. B. enterokinase. C. secretin. D. pepsin. E. nucleosidase.

C. secretin.

2. Which of the following enzyme does not digest any nutrients? A. chymotrypsin. B. lingual lipase. C. carboxypeptidase. D. enterokinase. E. dextrinase.

D. enterokinase.

4. The substance in question 3 that is not an enzyme is? A. a zymogen. B. a nutrient. C. an emulsifier. D. a neurotransmitter. E. a hormone.

E. a hormone.

12. The acidity of the stomach halts the actions of ____ but promotes the actions of ____, both of which are salivary enzymes.

amylase, lipase

19. Fats are taken into the lymphatic capillaries as droplets called ____.

chylomicrons

14. The submucosal and myenteric plexuses collectively constitute the ____ nervous system.

enteric

16. Food in the stomach cause G cells to secrete _____, which in turn stimulates the secretion of HCL and pepsinogen.

gastrin

20. within the absorptive cells of the small intestine, ferritin binds the nutrient _____.

iron

18. The brush border enzyme that finishes the job of starch digestion, producing glucose, is called _____. Its substrate is ____.

maltase, maltose

11. Cusps are a feature of the ____ surfaces of the molar and premolars.

occlusal

13. The _____ salivary gland is named for its proximity to the ear.

parotid

17. Hepatic macrophages occur in blood-filled spaces of the liver called ____.

sinusoids

15. Nervous stimulation of gastrointestinal activity is mediated mainly through the parasympathetic fibers of the ___ nerves.

vagus