What neurotransmitter is released by both preganglionic and postganglionic parasympathetic neurons at their synapses?
A)epinephrine
B)acetylcholine
C)both epinephrine and norepinephrine
D)norepinephrine

Question

Quizplus · Accepted Answer

Both preganglionic and postganglionic parasympathetic neurons release acetylcholine at their synapses. This allows for cholinergic transmission, which is the activation or inhibition of target cells through the binding of acetylcholine to receptors on their membranes.

What Neurotransmitter Is Released by Both Preganglionic and Postganglionic Parasympathetic