The effects of neurotransmitters released by the modified neurons of the adrenal medullae resemble those produced by stimulation of
A) sympathetic preganglionic fibers.
B) parasympathetic postganglionic fibers.
C) pelvic nerves.
D) parasympathetic preganglionic fibers.
E) sympathetic postganglionic fibers.

Question

Quizplus · Accepted Answer

The adrenal medullae are modified sympathetic ganglia and their neuron-like cells release neurotransmitters that mimic the effects of stimulation of sympathetic postganglionic fibers. Therefore, the best choice is E, sympathetic postganglionic fibers.

The Effects of Neurotransmitters Released by the Modified Neurons of the Adrenal