Ch 16: Autonomic Nervous System

Question 1

Somatic nervous system

Answer 1

Spinal cord—> ventral gray horn—> spinal nerve—> skeletal muscle

• 1 system/neuron
• also involves ACh

Question 2

Autonomic nervous system

Answer 2

Spinal cord—> lateral gray horn—> pregang neuron—> spinal n.—> auton gang—> post gang & effector

• 2 system/ neuron

Question 3

Sympathetic

Answer 3

ACHn or NE(a1&a2, b1& b2)

Question 4

Parasympathetic

Answer 4

ACHm
-receptors in sweat gland

Question 5

Sympathetic in autonomic N.S

Answer 5

• fight or flight
  -thoracolumbar (lateral gray horn)
• increases heart rate

Question 6

Parasympathetic in autonomic N.S

Answer 6

• rest & digest
• craniosacral region
• decreases heart rate

Question 7

SLUDD

Answer 7

salvation, lacrimation, urination, digestion, defacation