Which of the choices below describes the ANS?
A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands
B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles
C) sensory and motor neurons that supply the digestive tract
D) 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

Question

Quizplus · Accepted Answer

The ANS (autonomic nervous system) is responsible for involuntary control of smooth muscle, cardiac muscle, and glands. It consists of motor fibers that conduct nerve impulses from the CNS (central nervous system) to these tissues. Choice A accurately describes the ANS.

Option B is incorrect because it describes the somatic nervous system, not the ANS. Option C is partially correct but does not fully describe the ANS. Option D describes the somatic sensory nervous system, not the ANS.

Which of the Choices Below Describes the ANS