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

ANS: 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

T1-L2

Question 10

the sympathetic autonomic circuit requires __ efferent neurons

Answer 10

two

Question 11

pre-ganglionic efferent neuron locations

Answer 11

cell bodies are only located at levels T1-L2

Question 12

post-ganglionic efferent neuron locations

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

Answer 18

Question 19

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

Answer 19

Question 20

identify dorsal rami, ventral rami and spinal nerve trunk

Answer 20

Question 21

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

Answer 21

Question 22

identify the parasympathetic splanchnic nerve

Answer 22

Question 23

parasympathetic innervates from where (2 places)

Answer 23

brainstem
S2-S4

Question 24

parasympathetic innervates:

Answer 24

pupil
heart
bronchial tree
gut tube
genitals
bladder

Question 25

what nervous system is the top, middle, bottom?

Answer 25

Question 26

parasympathetic nerve origins

Answer 26

brainstem (CN III, VII, IX, X) S2-S4 (hindgut)

Question 27

what NS innervates the pupil, heart, bronchial tree, gut tube, genitals, and bladder?

Answer 27

parasympathetic NS

Question 28

why do some areas (C, L, S) have more gray matter than the thoracic region?

Answer 28

there is more white matter (myelinated) towards the brains for fast transfer of information sacral region doesn't have a high need for fast transfer of information so it has less white matter

Question 29

what NS controls smooth muscle of blood vessels?

Answer 29

sympathetic NS

Question 30

what NS controls smooth muscles of GI tract and glands?

Answer 30

parasympathetic NS

Question 31

what is #1?

Answer 31

cell body of preganglionic neuron

Question 32

neuron path trace

Answer 32

Question 33

what is #2?

Answer 33

cell body of the postganglionic neuron

Question 34

where is sympathetic of #1? where is sympathetic of #2? where is parasympathetic of #1? where is parasympathetic of #2?

Answer 34

sympathetic of #1: spinal cord or T1-L2 sympathetic of #2: sympathetic chain or preaortic ganglion parasympathetic of #1: brainstem or S2-S4 parasympathetic of #2: intramural ganglia (within the body)

Question 35

what is blue, yellow, red, andorange?

Answer 35

blue: neural tube yellow neural crest red: somites orange: notochord

Question 36

neural crest cells become all the ______ ______

Answer 36

neural crest cells become all the peripheral nerve ganglia

Question 37

neural crest cell migration to what three areas?

Answer 37

paravertebral region (sympathetic chain ganglia) preaortic region (preaortic ganglia) inside the viscera (intramural ganglia- within organs)

Question 38

where is the paravertebral ganglia (sympathetic chain)?

Answer 38

Question 39

where is the preaortic ganglia (prevertebral ganglia)?

Answer 39

Question 40

where is the intramural ganglia?

Answer 40

inside organ itself

Question 41

where are parasympathetic origins? where is the sympathetic origin? what NS does pre-aortic ganglia (post-ganglionic neurons) come from? what NS do intramural ganglia (postganglionic neurons) come from?

Answer 41

Parasympathetic: brainstem, S2-S4 intramural ganglia Sympathetic: T1-L2 preaortic ganglia

Question 42

2 neuron model for sympathetic NS

Answer 42

Question 43

Sympathetic 2-neuron model to target organs what are some target organs?

Answer 43

Question 44

label

Answer 44

Question 45

sympathetic chain trace: from preganglionic (efferent) to targets (at level, above, below)

Answer 45

Question 46

sympathetic preaortic ganglion trace: from preganglionic neuron (efferent) to target

Answer 46

Question 47

white vs gray communicating rami

Answer 47

????

Question 48

sympathetic preaortic ganglia trace

Answer 48

Question 49

target organs of sympathetic NS

Answer 49

head/neck heart lungs blood vessels sweat glands GI tract adrenal gland renal system pelvic organs

Question 50

parasympathetic NS 2-neuron model

Answer 50

Question 51

study

Question 52

somatic and visceral

Answer 52

sensory neurons

Question 53

autonomic

Answer 53

motor neurons

Question 54

sensory neurons: somatic or autonomic?

Answer 54

somatic

Question 55

motor neurons: somatic or autonomic?

Answer 55

autonomic