Test: Human Anatomy and Physiology

1.

Which of the following is a feature of the sympathetic nervous system?

Some sympathetic fibers pass through the paravertebral ganglia of the sympathetic trunk; other sympathetic fibers synapse there

Some sympathetic fibers leave the central nervous system (CNS) by specific cranial nerves

Sympathetic fibers exit the spinal cord by dorsal roots of spinal nerves

Sympathetic stimulation causes dilation of blood vessels in the skin of the back and limbs

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