The sympathetic nervous system
A) is always excitatory.
B) innervates only tissues concerned with protecting the body against challenges from the outside environment.
C) dominates in fight-or-fight situations.
D) is part of the somatic nervous system.
E) is part of the afferent division of the peripheral nervous system.

Question

Quizplus · Accepted Answer

The sympathetic nervous system dominates in fight-or-flight situations, where the body prepares to confront or flee from a threat. It increases heart rate, respiratory rate, and blood pressure, and directs blood flow to the muscles, preparing the body for physical activity.

The Sympathetic Nervous System