Autonomic Physiology

Question 1

Unlike motor neurons, autonomic nerves often have MANY/ONE target

Answer 1

Many

Question 2

Unlike motor neurons, autonomic nerves release neurotransmitter from ________ rather than at synapses

Answer 2

Varicosities

Question 3

What does di-synaptic organization mean?

Answer 3

1) preganglionic to postganglionic neuron

2) postganglionic to effector

Question 4

The sympathetic NS has _______ preganglionic fibers and _______ postganglionic fibers

Answer 4

Short, long

Question 5

The parasympathetic NS has _______ preganglionic fibers and ________ postganglionic fibers

Answer 5

Long, short

Question 6

Primary type of receptor in the autonomic nervous system

Answer 6

Chemical metabotropic

Question 7

Sympathetic fibers exit the spinal cord at what segments?

Answer 7

Thoracolumbar

Question 8

Brief overview of HPA axis

Answer 8

Increase in sympathetic activity, increase in cortisol which binds to GRs, and regulates gene transcription.

Question 9

Parasympathetic fibers exit the spinal column at what points?

Answer 9

Craniosacral

Question 10

Extreme terror CNS elicit a _______ responde

Answer 10

Vasovagal

Question 11

The enteric nervous system is modulates by _________ parasympathetic fibers and ________ sympathetic fibers

Answer 11

Preganglionic, postganglionic

Question 12

GI motility is controlled by

Answer 12

Myenteric neurons

Question 13

Function of submucosal neurons

Answer 13

Secretion, transport, and defensive reactions in GI

Question 14

Many autonomic functions are localized to the

Answer 14

Hypothalamus and brain stem