Which of the following physical changes is likely to be initiated by the sympathetic division of the autonomic nervous system?
A) Increased pupil dilation
B) Decreased heart rate
C) Increased salivation
D) Increased digestion

Question

Quizplus · Accepted Answer

The sympathetic division of the autonomic nervous system is responsible for the "fight or flight" response, which includes increased arousal and readiness for action. One physical change associated with this response is increased pupil dilation, which allows for better visual acuity in preparation for potential threats. The other options (B, C, and D) are associated with the parasympathetic division of the autonomic nervous system, which promotes rest and relaxation.

Which of the Following Physical Changes Is Likely to Be