The statement "Its postganglionic axons always use acetylcholine as the neurotransmitter." is
A) True only for the parasympathetic nervous system.
B) True only for the sympathetic nervous system.
C) True for both the parasympathetic and sympathetic nervous systems.
D) not True for either the parasympathetic or sympathetic nervous systems.
E) True only for the somatic nervous system.

Question

Quizplus · Accepted Answer

This statement is true only for the parasympathetic nervous system. In the sympathetic nervous system, postganglionic axons can use either norepinephrine or epinephrine as the neurotransmitter. In the somatic nervous system, acetylcholine is used as the neurotransmitter for motor neuron signaling to skeletal muscles.

The Statement "Its Postganglionic Axons Always Use Acetylcholine as the Neurotransmitter