• DIGESTIVE SYSTEM EXAM QUESTIONS AND
ANSWERS
Factors stimulating gastric secretion is/are:
A. proteins
B. distension by food or gas
C. alcohol
D. caffeine
E. all of the above
• Secretin (is):
A. a digestive enzyme which breaks down proteins to small
peptides.
B. a substance that causes the emulsification of fats.
C. a hormone which ensures an adequate supply of NaHCO3 in the
small intestines when chyme is present.
D. causes the secretion of insulin.
E. secreted by the secretory part of the cecum.
• Which of these contain two sphincters through which feces are
expelled from the body?
A. Rectum
B. Anus
C. Vestibule
D. Pharynx
E. Colon
• Which of the following is NOT true for the large intestine?
A. secretes no enzymes for digestion.
B. absorbs large quantities of water.
C. secretes large quantities of mucus.
D. houses bacteria that synthesize vitamin K.
E. parasympathetic fibers block its emptying ability.
• Pyloric stenosis (narrowing of its sphincter) will interfere most
, directly with the passage of materials from the:
A. esophagus into the stomach.
B. pharynx into the esophagus.
C. ileum into the cecum.
D. stomach into the duodenum.
• Which of the following would represent an abnormality or disease
condition of the large intestine?
A. Hemorrhoids
B. Appendicitis
C. Colitis
D. All of the above
E. None of the above
• The largest factions of the large intestine are the:
A. cecum, sigmoid and rectum.
B. ascending, transverse, and descending colons.
C. cecum, colon, rectum.
D. descending, sigmoid, cecum.
• As a group, fat-soluble vitamins are:
A. absorbed more readily in the presence of bile and bile salts.
B. excreted rapidly by the kidneys.
C. easily destroyed by heat during cooking.
D. completely absorbed in the stomach.
E. All of the preceding.
• In the small intestine, chylomicrons are absorbed into the:
A. cisterna chyli
B. lacteals
C. capillaries of the superior mesenteric vein
D. venules
E. none of the above
ANSWERS
Factors stimulating gastric secretion is/are:
A. proteins
B. distension by food or gas
C. alcohol
D. caffeine
E. all of the above
• Secretin (is):
A. a digestive enzyme which breaks down proteins to small
peptides.
B. a substance that causes the emulsification of fats.
C. a hormone which ensures an adequate supply of NaHCO3 in the
small intestines when chyme is present.
D. causes the secretion of insulin.
E. secreted by the secretory part of the cecum.
• Which of these contain two sphincters through which feces are
expelled from the body?
A. Rectum
B. Anus
C. Vestibule
D. Pharynx
E. Colon
• Which of the following is NOT true for the large intestine?
A. secretes no enzymes for digestion.
B. absorbs large quantities of water.
C. secretes large quantities of mucus.
D. houses bacteria that synthesize vitamin K.
E. parasympathetic fibers block its emptying ability.
• Pyloric stenosis (narrowing of its sphincter) will interfere most
, directly with the passage of materials from the:
A. esophagus into the stomach.
B. pharynx into the esophagus.
C. ileum into the cecum.
D. stomach into the duodenum.
• Which of the following would represent an abnormality or disease
condition of the large intestine?
A. Hemorrhoids
B. Appendicitis
C. Colitis
D. All of the above
E. None of the above
• The largest factions of the large intestine are the:
A. cecum, sigmoid and rectum.
B. ascending, transverse, and descending colons.
C. cecum, colon, rectum.
D. descending, sigmoid, cecum.
• As a group, fat-soluble vitamins are:
A. absorbed more readily in the presence of bile and bile salts.
B. excreted rapidly by the kidneys.
C. easily destroyed by heat during cooking.
D. completely absorbed in the stomach.
E. All of the preceding.
• In the small intestine, chylomicrons are absorbed into the:
A. cisterna chyli
B. lacteals
C. capillaries of the superior mesenteric vein
D. venules
E. none of the above
