Question

(3.1.c) cardiac emergencies: quiz
nitroglycerin is a medication often prescribed for angina. it works by—
○ constricting blood vessels.
○ dilating blood vessels.
○ reducing the heart rate.
○ relieving pain and pressure.

Explanation:

Nitroglycerin is a vasodilator. It relaxes the smooth muscles in blood - vessel walls, causing blood vessels to widen (dilate). This increases blood flow and reduces the workload on the heart, which helps in treating angina.

Answer:

B. Dilating blood vessels.