Neurology - Autonomic Nervous System

Question 1

The autonomic nervous system is comprised of what parts?

Answer 1

• Sympathetic
• Parasympathetic
• Enteric

Question 2

Describe the motor neuron pathway of the autonomic nervous system.

Answer 2

A pre-ganglionic CNS cell body that passes the action potential to the autonomic target tissue

Question 3

Activation of the _______ nervous system leads to “fight or flight” responses.

Answer 3

sympathetic

Question 4

Activation of the _______ nervous system leads to “rest & digest” responses.

Answer 4

parasympathetic

Question 5

The PNS innervates only the _____, _______, and ______.

Answer 5

head, viscera, and external genitalia

Question 6

Draw the following neurotransmitters of the autonomic nervous system.

Question 7

A & B of the motor unit?

Answer 7

A. CNS - from CNS to target organ
B. Peripheral NS - from target organ to CNS

** Remember sensory/motor function flows both ways **

Question 8

Neurotransmitters used?

Answer 8

A. ACh
B. ACh
C. NE
D. ACh

Question 9

Describe blood glucose mgmt in terms of the SNS.

Answer 9

Sympathetic activation requires energy, so glycogen breakdown increases –> increased BGL

Question 10

Describe blood glucose mgmt in terms of the PNS.

Answer 10

Parasympathetic activation is for storing energy, so glycogen breakdown decreases –> decresed BGL and increased glycogen formation.