Effects produced by the parasympathetic branch of the autonomic nervous system include
A) dilation of the pupils.
B) increased secretion by digestive glands.
C) dilation of respiratory passages.
D) increased heart rate.
E) increased tissue metabolism.

Question

Quizplus · Accepted Answer

The parasympathetic branch of the autonomic nervous system increases secretions by digestive glands, such as salivary glands and gastric glands, to aid in digestion. It does not cause dilation of the pupils, respiratory passages, or increase heart rate or tissue metabolism.

Effects Produced by the Parasympathetic Branch of the Autonomic Nervous