A patient presents to the walk-in clinic complaining of intermittent chest pain on exertion, which is eventually attributed to angina. The nurse should inform the patient that angina is most often attributable to what cause?
A) Decreased cardiac output
B) Decreased cardiac contractility
C) Infarction of the myocardium
D) Coronary arteriosclerosis
Ans: D
Feedback:
In most cases, angina pectoris is due to arteriosclerosis. The disease is not a result of impaired cardiac output or contractility. Infarction may result from untreated angina, but it is not a cause of the disease.
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