In the treatment of coronary artery disease (CAD), medications are often ordered to control blood pressure in the client. Which of the following is a primary purpose of using beta-adrenergic blockers in the nursing management of CAD?
a) To prevent angiotensin II conversion
b) To decrease workload of the heart
c) To decrease homocysteine levels
d) To dilate coronary arteries
Answer: To decrease workload of the heart