DrG 24 & 25: 8 of 8

Bile is stored in the a. gallbladder. b. pancreas. c. appendix. d. liver. e. duodenum.

a

Powerful peristaltic contractions that occur a few times each day in the colon are called a. mass movements. b. segmentation. c. haustral churning. d. pendular movements. e. defecation.

a

What organ is primarily responsible for water absorption? a. esophagus b. large intestine c. anus d. stomach e. pancreas

b

An intestinal hormone that stimulates the gallbladder to release bile is a. enteropeptidase. b. gastrin. c. cholecystokinin. d. secretin. e. GIP.

c

Gastric pits are a. ridges in the body of the stomach. b. involved in absorption of liquids from the stomach. c. openings into gastric glands. d. acid scars in the esophagus. e. hollows where proteins are stored.

c

What is the role of NADH in metabolism? a. phosphorylate ADP into ATP b. produce bicarbonate ions for a pH buffer c. transport hydrogen atoms to coenzymes in the mitochondrial cristae d. produce carbon dioxide e. convert pyruvic acid into acetyl-coA

c

A balanced diet should a. contain adequate amounts of water. b. provide essential amino acids and fatty acids. c. include adequate substrates for the production of energy. d. contain adequate amounts of vitamins and minerals. e. All of the answers are correct.

e

Cells perform catabolism to generate ATP, which can be used for a. glycogen synthesis. b. protein synthesis. c. muscle contraction. d. ion transport. e. All of the answers are correct.

e