Which of the following statements is TRUE for the autonomic nervous system?
A) Sensory signals are usually consciously perceived.
B) The effect of motor neurons is always excitatory.
C) Autonomic motor neurons only secrete Acetylcholine (ACh).
D) None of these choices.

Question

Quizplus · Accepted Answer

The autonomic nervous system operates largely below the level of consciousness, can have both excitatory and inhibitory effects depending on the neurotransmitter and receptor types involved, and utilizes both acetylcholine and norepinephrine as neurotransmitters, not just acetylcholine.

Which of the Following Statements Is TRUE for the Autonomic