Parasympathetic Nerves _______

Question

Parasympathetic nerves _______.
A) dilate the bronchial tubes
B) stimulate sweat glands
C) decrease heart rate
D) dilate the pupils

Accepted Answer

Parasympathetic nerves are responsible for decreasing heart rate. Choice A is incorrect because parasympathetic nerves constrict bronchial tubes, not dilate them. Choice B is incorrect because parasympathetic nerves do not stimulate sweat glands, but instead, sympathetic nerves do. Choice D is incorrect because parasympathetic nerves constrict the pupils, not dilate them.