PTCB Pharmacology #4 3

Question 1

Which drug suffix indicates a "-statin" belongs to the HMG-CoA reductase inhibitor class?

Accepted Answer

-vastatin

Answer

-statin

Answer

-mab

Answer

-olol

Question 2

Naloxone works by:

Accepted Answer

Competitively blocking opioid receptors

Answer

Inhibiting opioid metabolism

Answer

Stimulating mu-opioid receptors

Answer

Increasing GABA activity

Question 3

Which drug is a selective serotonin-1A partial agonist used for generalized anxiety disorder?

Accepted Answer

Buspirone

Answer

Diazepam

Answer

Lorazepam

Answer

Hydroxyzine

Question 4

Digoxin toxicity can be precipitated by which electrolyte imbalance?

Accepted Answer

Hypokalemia

Answer

Hypernatremia

Answer

Hypermagnesemia

Answer

Hypercalcemia deficiency

Question 5

Which of the following describes "tolerance" in pharmacology?

Accepted Answer

The need for increasing doses to achieve the same effect with repeated use

Answer

An allergic reaction to a drug upon repeated exposure

Answer

A decrease in drug concentration over time

Answer

A change in drug receptor binding affinity

Question 6

Which drug class includes drugs ending in "-tidine" (e.g., famotidine, ranitidine)?

Accepted Answer

H2 receptor antagonists

Answer

Proton pump inhibitors

Answer

Antacids

Answer

Anticholinergics