Which of the choices below describes the ANS?
A) motor fibers that conduct nerve impulses from the CNS to skeletal muscles
B) sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS
C) sensory and motor neurons that supply the digestive tract
D) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands

Question

Quizplus · Accepted Answer

The ANS (autonomic nervous system) is responsible for the involuntary control of smooth muscle, cardiac muscle, and glands. Therefore, the best choice is D, which describes motor fibers that conduct nerve impulses from the CNS to these structures. A, B, and C describe different parts of the nervous system that are not specifically related to the ANS.

Which of the Choices Below Describes the ANS