Acetylcholine Is the Main Neurotransmitter Released by

Multiple Choice

Acetylcholine is the main neurotransmitter released by

A) preganglionic sympathetic neurons and cells of the adrenal medulla.
B) cells of the adrenal medulla and postganglionic parasympathetic neurons.
C) motor neurons and postganglionic sympathetic neurons.
D) preganglionic sympathetic neurons and postganglionic sympathetic neurons.
E) preganglionic sympathetic neurons and motor neurons.