A nurse is discussing the difference between stable and variant angina with a group of nursing students. Which statement by a student indicates the need for further teaching?
a. "Beta blockers are effective in stable an-gina but not in variant angina."
b. "In both types of angina, prophylactic treatment is possible."
c. "Variant angina is primarily treated with vasodilators to increase oxygen supply."
d. "Variant angina is the result of increased oxygen demand by the heart."
D
Variant angina is caused by coronary artery spasm, which reduces the oxygen supply to the heart. Beta blockers are not effective in variant angina but are useful with stable angina. Medications may be given to prevent anginal attacks in both types of angina. Vasodilators are used in variant angina to relieve coronary artery spasm and increase the oxygen supply to the heart.
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