A nurse is providing teaching for a patient with stable angina who will begin taking nitroglycerin. Which statement by the patient indicates understanding of the teaching?
a. "I should not participate in aerobic exer-cise while taking this drug."
b. "I should take aspirin daily to reduce my need for nitroglycerin."
c. "If I take nitroglycerin before exertion, I can reduce the chance of an anginal at-tack."
d. "I take nitroglycerin to increase the amount of oxygen to my heart."
C
Nitroglycerin can be taken before stressful events or exertion to reduce the chance of an attack of angina. Aerobic exercise is an important part of nondrug therapy to reduce the risk of heart attack. Aspirin therapy is an important adjunct to treatment to prevent coronary thrombus formation, but it does not reduce the need for nitroglycerin. Nitroglycerin reduces cardiac oxygen demand, but it does not increase the amount of oxygen available to the heart.
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