Functions of the large intestine include
A)chemical digestion of chyme.
B)temporary food storage.
C)reabsorption of water and compaction of feces.
D)absorption of the products of digestion.
E)production of digestive enzymes.
Major regions of the large intestine include the
A)cecum, ileum, and duodenum.
B)duodenum, ileum, and jejunum.
C)cecum, colon, and duodenum.
D)ascending colon, descending colon, and ileum.
E)cecum, colon, and rectum.
During the defecation reflex, the
A)stretch receptors in the rectal walls stimulate parasympathetic motor neurons.
B)internal and external anal sphincters relax simultaneously.
C)abdominal wall relaxes and the internal abdominal pressure decreases.
D)gastroileal reflex moves materials into the rectum through mass peristalsis.
E)decreased peristaltic contractions occur in the sigmoid colon and rectum.
________ interact with bile salts to form micelles needed for lipid absorption.
A)Fatty acids and monoglycerides
B)Fatty acids and diglycerides
C)Fatty acids and triglycerides
D)Complex carbohydrates and monoglycerides
E)Complex carbohydrates and fatty acids