Mechanisms/Drug Class

Question 1

What is the mechanism of action of H2 receptor antagonists?

Answer 1

Decrease acid secretion by inhibiting histamine binding to H2 receptors on parietal cells

Question 2

cimetidine

Answer 2

H2 receptor antagonist

Question 3

ranitidine

Answer 3

H2 receptor antagonist

Question 4

famotidine

Answer 4

H2 receptor antagonist

Question 5

nizatidine

Answer 5

H2 receptor antagonist

Question 6

What is the mechanism of action of proton pump inhibitors?

Answer 6

Decrease acid secretion by irreversibly inhibiting H+/K+ ATPase on parietal cells

Question 7

omeprazole

Answer 7

proton pump inhibitor

Question 8

esomeprazole

Answer 8

proton pump inhibitor

Question 9

lansoprazole

Answer 9

proton pump inhibitor

Question 10

pantoprazole

Answer 10

proton pump inhibitor

Question 11

rabeprazole

Answer 11

proton pump inhibitor

Question 12

What is the mechanism of action of antacids?

Answer 12

Neutralize gastric acid by reacting with the aside to form water and salts

Question 13

aluminum hydroxide

Answer 13

antacid

Question 14

magnesium hydroxide

Answer 14

antacid

Question 15

sodium bicarbonate

Answer 15

antacid

Question 16

calcium carbonate

Answer 16

antacid

Question 17

What is the mechanism of action of coating agents?

Answer 17

Coat gastric mucosa with a protective layer

Question 18

sucralfate

Answer 18

coating agent

Question 19

colloidal bismuth

Answer 19

coating agent

Question 20

What is the mechanism of action of prostaglandins?

Answer 20

Reduce basal and stimulated gastric acid secretion; enhance bicarbonate secretion, mucus production, and blood flow

Question 21

misoprostol

Answer 21

prostaglandin

Question 22

What is the mechanism of action of anticholinergic agents?

Answer 22

Decrease acid secretion by inhibiting acetylcholine binding to muscarinic ACh receptors on parietal cells

Question 23

dicyclomine

Answer 23

anticholinergic