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Human Form & Function > Autonomic Nervous System > Flashcards

Autonomic Nervous System Flashcards

1
Q

sympathetic

A

fight or flight
smooth muscles of blood vessels

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2
Q

parasympathetic

A

rest and digest
smooth muscles of organs and glands

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3
Q

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

A

only ONE

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4
Q

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

A

TWO

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5
Q

preganglionic myelinated or non myelinated?

A

myelinated

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6
Q

post-ganglionic myelinated or non myelinated?

A

non-myelinated

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7
Q

neural crest cells

A
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8
Q

paravertebral ganglion becomes

A

sympathetic trunk

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9
Q

sympathetic trunk (chain) innervates:

A

pupil
heart
bronchial tree
hepatic artery
adrenal medulla
sweat glands
genitals

T1-L2

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10
Q

the sympathetic autonomic circuit requires __ efferent neurons

A

two

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11
Q

pre-ganglionic efferent neuron locations

A

cell bodies are only located at levels T1-L2

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12
Q

post-ganglionic efferent neuron locations

A

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

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13
Q

sympathetic preaortic ganglia

A
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14
Q

sympathetic splanchnic nerves

A

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

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15
Q

what connects the ventral rami and sympathetic trunk?

A

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

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16
Q

what levels are both white and gray communicating rami present?

A

T1-L2

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17
Q

identify the dorsal/ventral orientation

A

dorsal
ventral

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18
Q

identify grey matter, white matter

A
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19
Q

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

A
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20
Q

identify dorsal rami, ventral rami and spinal nerve trunk

A
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21
Q

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

A
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22
Q

identify the parasympathetic splanchnic nerve

A
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23
Q

parasympathetic innervates from where (2 places)

A

brainstem
S2-S4

24
Q

parasympathetic innervates:

A

pupil
heart
bronchial tree
gut tube
genitals
bladder

25
Q

what nervous system is the top, middle, bottom?

A
26
Q

parasympathetic nerve origins

A

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

27
Q

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

A

parasympathetic NS

28
Q

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

A

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

29
Q

what NS controls smooth muscle of blood vessels?

A

sympathetic NS

30
Q

what NS controls smooth muscles of GI tract and glands?

A

parasympathetic NS

31
Q

what is #1?

A

cell body of preganglionic neuron

32
Q

neuron path trace

A
33
Q

what is #2?

A

cell body of the postganglionic neuron

34
Q

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

A

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)

35
Q

what is blue, yellow, red, andorange?

A

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

36
Q

neural crest cells become all the ______ ______

A

neural crest cells become all the peripheral nerve ganglia

37
Q

neural crest cell migration to what three areas?

A

paravertebral region (sympathetic chain ganglia)

preaortic region (preaortic ganglia)

inside the viscera (intramural ganglia- within organs)

38
Q

where is the paravertebral ganglia (sympathetic chain)?

A
39
Q

where is the preaortic ganglia (prevertebral ganglia)?

A
40
Q

where is the intramural ganglia?

A

inside organ itself

41
Q

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?

A

Parasympathetic: brainstem, S2-S4
intramural ganglia

Sympathetic: T1-L2
preaortic ganglia

42
Q

2 neuron model for sympathetic NS

A
43
Q

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

A
44
Q

label

A
45
Q

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

A
46
Q

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

A
47
Q

white vs gray communicating rami

A

????

48
Q

sympathetic preaortic ganglia trace

A
49
Q

target organs of sympathetic NS

A

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

50
Q

parasympathetic NS 2-neuron model

A
51
Q

study

A
52
Q

somatic and visceral

A

sensory neurons

53
Q

autonomic

A

motor neurons

54
Q

sensory neurons: somatic or autonomic?

A

somatic

55
Q

motor neurons: somatic or autonomic?

A

autonomic

Human Form & Function (49 decks)

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