Acetylcholine is the only neurotransmitter released by ____.
A) the sympathetic nervous system's postganglionic synapses
B) the parasympathetic nervous system's postganglionic axons
C) intrinsic neurons in the spinal cord
D) intrinsic neurons of the hippocampus

Question

Quizplus · Accepted Answer

Acetylcholine is the primary neurotransmitter released by the parasympathetic nervous system's postganglionic axons. The sympathetic nervous system releases norepinephrine and occasionally other neurotransmitters. Intrinsic neurons in the spinal cord and hippocampus release a variety of neurotransmitters, not just acetylcholine.

Acetylcholine Is the Only Neurotransmitter Released by ____