When the body is stressed, what is the relative contribution of the sympathetic and parasympathetic nervous systems to the regulation of homeostasis?
A) Only the sympathetic system is active.
B) Only the parasympathetic system is active.
C) Both systems are active but the parasympathetic predominates.
D) Both systems are active but the sympathetic predominates.
E) Neither system is active.

Question

Quizplus · Accepted Answer

When the body is stressed, the sympathetic nervous system predominates to prepare the body for a "fight or flight" response, increasing heart rate, blood pressure, and energy supplies, while the parasympathetic system is relatively less active.

When the Body Is Stressed, What Is the Relative Contribution