Which of these statements concerning the sympathetic nervous system is correct?
A)It is always excitatory.
B)It innervates only tissues concerned with protecting the body against challenges from the outside environment.
C) It dominates in fight-or-fight situations.
D) It is part of the somatic nervous system.

Question

Quizplus · Accepted Answer

The sympathetic nervous system dominates in fight-or-flight situations, where the body is preparing to respond to a perceived threat or challenge. Option A is incorrect as the sympathetic nervous system can also have inhibitory effects. Option B is incorrect as the sympathetic nervous system also innervates tissues involved in internal homeostasis. Option D is incorrect as the sympathetic nervous system is part of the autonomic nervous system, not the somatic nervous system.

Which of These Statements Concerning the Sympathetic Nervous System Is