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SP's neuro > CN and Nuclei > Flashcards

CN and Nuclei Flashcards

1
Q

what is CN I?

A

olfactory

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2
Q

what does CN I do?

A

smell

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3
Q

what function fibers does CN I contain?

A

SVA

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4
Q

What is CN II?

A

optic

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5
Q

what does CN II do?

A

vision

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6
Q

what function fibers does CN II contain?

A

SSA

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7
Q

what is CN III?

A

oculomotor

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8
Q

what does CN III do?

A

eye movements, eyelid movements, pupil constriction
superior, middle, and inferior rectus
inferior oblique
levator palpabra

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9
Q

what function fibers does CN III contain?

A

GSE (maybe GVE too)

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10
Q

what is CN IV?

A

trochlear

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11
Q

what does CN IV do?

A

eye movements

superior oblique

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12
Q

what function fibers does CN IV contain?

A

GSE

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13
Q

what is CN V?

A

trigeminal

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14
Q

what does CN V do?

A

V1=touch to nose and forehead
V2=touch to lateral nose and zygomatic arch
V3=touch to manible and and 2/3 of tongue
SVE=muscles of mastication

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15
Q

what functional fibers does the CN V contain?

A

SVE

GSA

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16
Q

what is CN VI?

A

abducens

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17
Q

what does the CN VI do?

A

lateral eye movements

lat rectus

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18
Q

what are the functional components of CN VI

A

GSE

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19
Q

what is CN VII?

A

facial

20
Q

what does CN VII do?

A 
SVA=taste to ant 2/3 tongue
GSA=touch to ear (through CN V)
SVE=muscles of facial expression
GVA=ear
GVE=glands (lacrimal and salivary glands)
21
Q

what are the functional components of CN VII?

A 
SVA
SVE
GVA
GVE
GSA
22
Q

what is CN VIII?

A

vestibulocochlear

23
Q

what does the CN VIII do?

A

hearing and balance

24
Q

what are the functional components of CN VIII?

A

SSA

25
Q

what is CN IX?

A

glossopharyngeal

26
Q

what does CN IX do?

A 
SVA=taste post 1/3 of tongue
GSA=ear
SVE=pharynx
GVA=touch, pain, temp to post 1/3 of tongue, pharynx, palate, tube, carotid body/sinus
GVE=parotid gland
salivary reflex
gag reflex-afferent portion
27
Q

what are the functional components of CN IX?

A 
SVA
SVE
GVA
GVE
GSA
28
Q

what is CN X?

A

vagus

29
Q

what does CN X do?

A

SVA taste,
GSA ear,
SVE soft palate/larynx,
GVA oropharynx, abdominal and thoracic viscera
GVE abdominal and thoracic viscera
carotid sinus reflex (lowers HR and BP) so parasympathetic to heart

30
Q

what function components does CN X contain?

A 
SVA
SVE
GVA
GVE
GSA
31
Q

what is CN XI?

A

accessory

32
Q

what does CN XI do?

A

traps and SCM

33
Q

What does CN XI contain?

A

GSE or GVE?** (spinal component)
SVE (cranial component from ambiguous)
**Igor’s email says GVE but I have also seen GSE in other sources

34
Q

What is CN XII?

A

hypoglossal

35
Q

what does CN XII do?

A

tongue muscles

36
Q

what functional components does CN XII contain?

A

GSE

37
Q

what are the oculomotor nuclei?

A

oculomotor nucleus

edinger-westphal nucleus

38
Q

what are the trochlear nuclei?

A

trochlear nucleus

39
Q

what are the trigeminal nuclei?

A

motor nucleus of V
chief nucleus
mesencephalic nucleus
spinal nucleus

40
Q

what are the abducens nuclei?

A

just abducens nucleus

41
Q

what are the facial nuclei?

A

facial nucleus
spinal nucleus
solitarius
superior salivatory nucleus

42
Q

what are the vestibulocochlear nuclei?

A

cochlear nucleus

vestibular nucleus

43
Q

what are the glossopharangeal nuclei?

A

solitarius
ambiguus
spinl nucleus
inferior salivatory nucleus

44
Q

what are the vagus nuclei?

A

dorsal motor nucleus
solitarius
ambiguus nucleus
spinal nucleus

45
Q

what are the accessory nulcei?

A

spinal accessory nucleus

ambiguus nucleus

46
Q

what are the hypoglossal nuclei?

A

just hypoglossal nucleus

SP's neuro (4 decks)

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