Laboratory Experiments with Cardiology Patients Have Shown That Brief Periods

Laboratory experiments with cardiology patients have shown that brief periods of mental stress

A) can trigger acute symptoms of heart disease, such as myocardial ischemia
B) have little, or no, impact on overall cardiac function
C) can intensify chromic symptoms of heart disease, such as arteriosclerosis
D) can trigger emotional responses such as depression and feelings of despair