Sympathetic Stimulation to the Heart

Question

Sympathetic stimulation to the heart
A) decreases stroke volume.
B) increases heart rate.
C) causes bradycardia.
D) decreases cardiac output.

Accepted Answer

Sympathetic stimulation to the heart increases heart rate through the release of epinephrine and norepinephrine, leading to an increase in cardiac output. It does not decrease stroke volume or cause bradycardia.