Pharmacology Drug Classifications and Prototypes 2

Question 1

Which drug is considered the prototype beta-1 selective adrenergic blocker?

Accepted Answer

Metoprolol

Answer

Metoprolol is the prototype cardioselective (beta-1 selective) beta-blocker, widely used for hypertension and heart failure.

Question 2

Hydrochlorothiazide is the prototype of which diuretic class?

Accepted Answer

Thiazide diuretics

Answer

Hydrochlorothiazide is the prototype thiazide diuretic, acting on the distal convoluted tubule to inhibit sodium reabsorption.

Question 3

Which drug is the prototype first-generation H1 antihistamine?

Accepted Answer

Diphenhydramine

Answer

Diphenhydramine (Benadryl) is the prototype first-generation H1 antihistamine, known for causing significant sedation due to CNS penetration.

Question 4

Morphine serves as the prototype for which drug class?

Accepted Answer

Opioid analgesics

Answer

Morphine is the prototype opioid analgesic, acting on mu-opioid receptors to produce analgesia, sedation, and euphoria.

Question 5

Which drug is the prototype calcium channel blocker of the dihydropyridine class?

Accepted Answer

Nifedipine

Answer

Nifedipine is the prototype dihydropyridine CCB, acting primarily on vascular smooth muscle with little effect on cardiac conduction.

Pharmacology Practice Test