Which of the following does not occur during increased activity of the sympathetic division of the autonomic nervous system?
A) Norepinephrine causes blood vessels in the gut to constrict.
B) Heart rate increases.
C) Aortic blood pressure increases.
D) Stroke volume decreases.
E) Mean arterial pressure increases.

Question

Quizplus · Accepted Answer

Increased activity of the sympathetic division of the autonomic nervous system usually leads to an increase in stroke volume, the amount of blood pumped out of the heart with each beat. Therefore, choice D, which states that stroke volume decreases, is the one that does not occur during increased activity of the sympathetic division.

Which of the Following Does Not Occur During Increased Activity