Autonomic Nervous System

Question 1

sympathetic

Answer 1

fight or flight
smooth muscles of blood vessels

Question 2

parasympathetic

Answer 2

rest and digest
smooth muscles of organs and glands

Question 3

how many sensory (afferent) neurons do both the symp and parasymp have?

Answer 3

only ONE

Question 4

how many motor (efferent) neurons do both the symp and parasymp have?

Answer 4

TWO

Question 5

preganglionic myelinated or non myelinated?

Answer 5

myelinated

Question 6

post-ganglionic myelinated or non myelinated?

Answer 6

non-myelinated

Question 7

neural crest cells

Answer 7

Question 8

paravertebral ganglion becomes

Answer 8

sympathetic trunk

Question 9

sympathetic trunk (chain) innervates

Answer 9

pupil
heart
bronchial tree
hepatic artery
adrenal medulla
sweat glands
genitals

Question 10

the sympathetic autonomic circuit requires __ efferent neurons

Answer 10

two

Question 11

pre-ganglionic efferent neuron

Answer 11

cell bodies are only located at levels T1-L2

Question 12

post-ganglionic efferent neuron

Answer 12

can be anywhere within the sympathetic trunk or sympathetic ganglia (not in spinal cord)

Question 13

sympathetic preaortic ganglia

Answer 13

Question 14

sympathetic splanchnic nerves

Answer 14

structure that connects the sympathetic trunk to the preaortic ganglia
- contain preganglionic neurons

Question 15

what connects the ventral rami and sympathetic trunk?

Answer 15

white communicating rami (T1-L2 area)
&
grey communicating rami (every level)

Question 16

what levels are both white and gray communicating rami present?

Answer 16

T1-L2

Question 17

identify the dorsal/ventral orientation

Answer 17

dorsal
ventral

Question 18

identify grey matter, white matter

Question 19

identify the afferent (sensory ) neurons, dorsal root ganglia, efferent (motor) neuron

Question 20

identify dorsal rami, ventral rami and spinal nerve trunk

Question 21

identify the sympathetic: trunk, grey/white communicating rami, splanchnic nerve