The Peripheral Nervous System

Review Questions

Activation of the sympathetic nervous system causes:

  1. increased blood flow into the skin
  2. a decreased heart rate
  3. an increased heart rate
  4. increased digestion

Hint:

C

Where are parasympathetic preganglionic cell bodies located?

  1. cerebellum
  2. brainstem
  3. dorsal root ganglia
  4. skin

Hint:

B

________ is released by motor nerve endings onto muscle.

  1. Acetylcholine
  2. Norepinephrine
  3. Dopamine
  4. Serotonin

Hint:

A