Chapter 24
Practice quiz
1. T F All sections of the
digestive system undergo digestion and absorbtion.
2. T F The digestive system actively secretes 8 liters of fluid into the tract
with only 250 milliliters coming out the other end as feces.
3. T F All of digestion is intracellular.
4. T F 50% of the fecal matter is undigested food.
5. T F The vermillion is the anatomical term for lips.
6. T F The hard palate is composed of the palantine bone and the maxilla.
7. T F The adult teeth are composed of 8 incisors, 4 cuspids, 8 premolars, and 12 molars.
8. T F The hardest substance in the body is the bone of the tooth called enamel.
9. T F The transverse linguae is an intrinsic tongue muscle.
10. T F The buccal gland is one of the three salivary glands.
11. The following substance
activates amylase:
a. chloride ions
c. hydrochloric acid
d. lysozyme
e. polysaccharide
f. none of the above
12. The esophagus is composed
of ___________tissue.
a. simple squamous
b. stratified squamous
c. simple columnar
d. stratified columnar
e. simple cuboidal
13. The area of the stomach
with the thickest muscle is the:
a. cardia
b. fundus
c. body
d. greater curvature
e. pyloris
14. The cell in the stomach
which secretes hydrochloric acid is the___ cell.
a. chief
b. parietal
c. mucous
d. enteroendocrine
e. G cell
15. Intrinsic factor allows
the absorption of vitamin________
a. C
b. D
c. B1
d. B2
e. None of the above
16. Gastrin does all of
the above except_______
a. increase more gastrin
b. constrict lower esophageal sphincter
c. decrease GI motility
d. relax pyloric sphincter
e. relax ileocecal sphincter
17. The phase of gastrin
secretion which relies on the vagus nerve is the___phase.
a. cephalic
b. gastric
c. intestinal
d. all of the above
e. none of the above
18. The most common areas
of an ulcer include all of the following except:
a. duodenum
b. pyloris
c. lesser curvature
d. greater curvature
e. cardia
19. Cimetidine reduces the
stomach acids by blocking______
a. secretin
b. serotonin
c. acetylcholine
d. dopamine
e. histamine
20. The pancreas represents______%
of the exocrine cells.
a. 1
b. 2
c. 4
d. 8
e. none of the above
21. The intestinal glands
secrete
a. enzymes
b. acids
c. buffers
d. mucous
e. all of the above
22. The duodenum is __________meters
long.
a. .25
b. l
c. 2.5
d. 3.5
e. none of the above
23. Sprue can be caused
by excess ingestion of ____________
a. fats
b. grains
c. proteins
d. bran
e. none of the above
24. Flatus can be caused
by all of the following except:
a. raffinose
b. soda pop
c. liver disease
d. brassica
e. barking spiders
25. The carrier molecule
of fat from the blood to the liver is______
a. lacteal
b. chylomicron
c. micelle
d. VLDL
e. HDL