The site of origin of the preganglionic fibers of the parasympathetic nervous system is the
A) chain and prevertebral ganglia.
B) higher brain centers.
C) brain stem and the sacral region of the cord.
D) thoracolumbar region of the spinal cord.

Question

Quizplus · Accepted Answer

The preganglionic fibers of the parasympathetic nervous system originate in the brain stem and the sacral region of the spinal cord.

The Site of Origin of the Preganglionic Fibers of the Parasympathetic