Which of the following does not characterize the sympathetic nervous system?
A) It promotes responses that prepare the body for strenuous physical activity.
B) It has some afferent fibers.
C) Most of its postganglionic neurons are adrenergic.
D) Its effects may be excitatory or inhibitory.
E) It has some afferent fibers and most of its postganglionic neurons are adrenergic.

Question

Quizplus · Accepted Answer

The sympathetic nervous system does have some afferent fibers, most of its postganglionic neurons are adrenergic, its effects may be excitatory or inhibitory, and it promotes responses that prepare the body for strenuous physical activity. Therefore, the characteristic that does not fit with the sympathetic nervous system is choice B, which suggests that it lacks afferent fibers.

Which of the Following Does Not Characterize the Sympathetic Nervous