Enzymes that digest carbohydrates include
A. peptidases.
B. amylase, maltase, and sucrase.
C. lipase.
D. maltase and lipase.
E. trypsin and chymotrypsin.
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Question 2) Small droplets of digested lipids surrounded by bile salts are called
A. chylomicrons.
B. micelles.
C. monoglycerides.
D. diglycerides.
E. lacteals.
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Question 3) Monosaccharides
A. are emulsified before absorption.
B. are absorbed into lacteals.
C. use a symport process in their absorption.
D. need vitamin C to be absorbed.
E. can not be absorbed.
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Question 4) Strong peristaltic contractions in the large intestine are called
A. segmental contractions.
B. churning contractions.
C. mass movements.
D. rectal propulsions.
E. defecation.
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Question 5) Insulin increases the rate of _____ transport into cells.
A. sucrose
B. fructose
C. glucose
D. galactose
E. lactose
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Question 6) Enzymes for the digestion of disaccharides are produced in the
A. mouth.
B. stomach.
C. pancreas.
D. small intestine.
E. liver.
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Question 7) Which of the following does NOT illustrate digestion?
A. polysaccharides disaccharides
B. fat fatty acids and glycerol
C. CO2 and H2Ocarbohydrates
D. protein amino acids
E. disaccharides monosaccharides
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Question 8) The defecation reflex
A. is stimulated by distention of the rectum.
B. inhibits further peristalsis in the rectum and lower colon.
C. constricts the internal anal sphincter.
D. lasts several hours.
E. None of these choices is correct.
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Question 9) Most nutrient absorption occurs in the
A. stomach and esophagus.
B. duodenum and jejunum.
C. ascending colon and cecum.
D. pancreatic duct and gall bladder.
E. ileum and transverse colon.
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Question 10) Feces consist of
A. water.
B. undigestible food.
C. bacteria.
D. sloughed-off epithelial cells.
E. All of these are found in feces.
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