Which sympathetic pathway involves only a preganglionic axon going to the effector organ?
A)Splanchnic nerve pathway
B)Adrenal medulla pathway
C)Postganglionic sympathetic nerve pathway
D)Spinal nerve pathway
E)None of these answers involve only a sympathetic preganglionic axon.

Question

Quizplus · Accepted Answer

The adrenal medulla pathway involves only a preganglionic axon that terminates at the adrenal medulla, which releases epinephrine and norepinephrine directly into the bloodstream as hormones, rather than into a specific effector organ. None of the other pathways listed involve only a sympathetic preganglionic axon.

Which Sympathetic Pathway Involves Only a Preganglionic Axon Going to the Effector