A patient who has been taking nitroglycerin for angina has developed variant angina, and the provider has added verapamil (Calan) to the patient's regimen. The nurse will explain that verapamil is given for which purpose?
a. To facilitate oxygen use by the heart
b. To improve renal perfusion
c. To increase cardiac contractility
d. To relax coronary arteries
ANS: D
Verapamil is a calcium channel blocker and is used to relax coronary artery spasm in patients with variant angina. It does not facilitate coronary muscle oxygen use, improve renal function, or increase cardiac contractility.
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