AMCA AMCA Pharmacology 5

Question 1

Which route of drug administration provides the fastest onset of action in an emergency?

Accepted Answer

Intravenous (IV)

Answer

Intravenous administration delivers the drug directly into the bloodstream, providing the fastest onset of action.

Question 2

Which of the following is a beta-1 selective adrenergic blocker used primarily to treat hypertension and heart failure?

Accepted Answer

Metoprolol

Answer

Metoprolol is a beta-1 selective (cardioselective) beta-blocker, making it preferable in patients with respiratory conditions such as asthma.

Question 3

A patient taking MAO inhibitors should avoid which food to prevent hypertensive crisis?

Accepted Answer

Aged cheese

Answer

Aged cheese contains high levels of tyramine, which can trigger a life-threatening hypertensive crisis in patients on MAO inhibitors.

Question 4

What is the primary purpose of a loading dose when initiating drug therapy?

Accepted Answer

To rapidly achieve therapeutic drug levels

Answer

A loading dose is a larger initial dose given to rapidly reach the desired therapeutic concentration in the blood.

Question 5

Which of the following drug interactions describes one drug increasing the blood levels of another by inhibiting its metabolism?

Accepted Answer

Pharmacokinetic drug-drug interaction

Answer

A pharmacokinetic drug-drug interaction occurs when one drug alters the absorption, distribution, metabolism, or excretion of another, such as by inhibiting cytochrome P450 enzymes.

(AMCA) American Medical Certification Association Practice Test

(AMCA) American Medical Certification Association Practice Test

AMCA AMCA Pharmacology 5