The process whereby nutrients are transported across enterocytes and taken up into circulation is called _____.
a. digestion
b. absorption
c. transfer
d. reassignment
Q. 2What traps nutrients and pulls them toward the enterocytes?
a. Submucoa
b. Basolateral membrane
c. Endocytes
d. Microvilli
Q. 3Pancreatic enzymes and bile are released into the duodenum in response to _____.
a. cholecystokinin (CCK)
b. pancreatic amylase
c. secretin
d. pepsin
Q. 4Bile is reabsorbed through the ileum and returned to the _____.
a. gallbladder
b. liver
c. pancreas
d. small intestine
Q. 5If Sean has his gallbladder removed, he could experience some problems digesting _____.
a. carbohydrate
b. vitamin C
c. fat
d. thiamin
Q. 6Secretin signals the pancreas to release pancreatic juice, an alkaline solution consisting of water, various enzymes needed for digestion, and _____.
a. sodium bicarbonate
b. potassium chloride
c. sodium chloride
d. potassium bicarbonate
Q. 7The absorptive surface of the small intestine is called the _____.
a. plica circulares
b. lacteal surface
c. brush border
d. gastric villus
Q. 8The small intestine is divided into three regions: the duodenum, the jejunum, and the _____.
a. ileum
b. cecum
c. rectum
d. anus