The sympathetic nervous system is most likely to be active when
A) you are settling down for an afternoon nap.
B) an on-coming auto crosses over the line onto your side of the road, forcing you to swerve to avoid an accident.
C) you just ate your lunch.
D) you are relaxing with friends after an exam.

Question

Quizplus · Accepted Answer

The sympathetic nervous system is responsible for preparing the body for action in response to a perceived threat or stressor. In this scenario, the oncoming car crossing the line represents a threat, causing the sympathetic nervous system to activate fight or flight response, increasing heart rate and blood pressure, dilating pupils, and directing blood flow to major muscle groups in preparation for action.

The Sympathetic Nervous System Is Most Likely to Be Active