Pharmacy Pharmacology 2

Question 1

Which class of drugs works by blocking H2 receptors to reduce gastric acid secretion?

Accepted Answer

H2 blockers

Answer

Proton pump inhibitors

Answer

Antacids

Answer

Anticholinergics

Question 2

Metformin's primary mechanism of action for treating type 2 diabetes is to:

Accepted Answer

Decrease hepatic glucose production

Answer

Stimulate insulin secretion from beta cells

Answer

Block intestinal glucose absorption

Answer

Increase renal glucose excretion

Question 3

Which term describes the study of how the body affects a drug (absorption, distribution, metabolism, excretion)?

Accepted Answer

Pharmacokinetics

Answer

Pharmacodynamics

Answer

Pharmacogenomics

Answer

Pharmacovigilance

Question 4

A drug with a narrow therapeutic index requires close monitoring because:

Accepted Answer

The difference between effective and toxic doses is small

Answer

It is only available as a brand-name product

Answer

It is metabolized very slowly

Answer

It has no known side effects

Question 5

Beta-1 selective adrenergic blockers are preferred in asthmatic patients because they:

Accepted Answer

Avoid bronchoconstriction caused by beta-2 blockade

Answer

Dilate the bronchioles

Answer

Increase heart rate

Answer

Block alpha receptors

Question 6

Which drug class inhibits the enzyme HMG-CoA reductase to lower cholesterol?

Accepted Answer

Statins

Answer

Fibrates

Answer

Bile acid sequestrants

Answer

Niacin