PCP Pharmacology

Question 1

What is the primary mechanism of action of nitroglycerin?

Accepted Answer

Venous and arterial dilation reducing cardiac workload

Answer

Nitroglycerin causes venous and arterial smooth muscle relaxation, reducing preload and afterload to decrease cardiac workload.

Question 2

The adult dose of oral aspirin for a suspected acute MI is:

Accepted Answer

162–325 mg chewed

Answer

162–325 mg of aspirin, chewed (not swallowed whole), is given for suspected acute MI to inhibit platelet aggregation rapidly.

Question 3

Which medication is a first-line treatment for anaphylaxis?

Accepted Answer

Epinephrine 1:1000 IM

Answer

Epinephrine 1:1000 administered IM into the lateral thigh is the first-line treatment for anaphylaxis.

Question 4

What is the adult dose of epinephrine 1:1000 for anaphylaxis?

Accepted Answer

0.3–0.5 mg IM

Answer

The adult dose for anaphylaxis is 0.3–0.5 mg of epinephrine 1:1000 injected IM into the anterolateral thigh.

Question 5

Activated charcoal is contraindicated in which of the following situations?

Accepted Answer

Caustic/corrosive substance ingestion

Answer

Activated charcoal is contraindicated with caustic ingestions because it does not bind caustics and obscures endoscopy.

PCP - Primary Care Paramedic Practice Test