The parasympathetic branch of the autonomic nervous system is responsible for which of the following?
A) increased heart rate
B) dilation of pupils
C) increased salivation
D) decreased digestion

Question

Quizplus · Accepted Answer

The parasympathetic branch of the autonomic nervous system is responsible for increasing salivation. It is also responsible for decreasing heart rate and promoting digestion, which makes choices A and D incorrect. Pupil constriction is actually a parasympathetic response, so dilation of pupils is not associated with the parasympathetic nervous system, making choice B incorrect.

The Parasympathetic Branch of the Autonomic Nervous System Is Responsible