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Neuroscience > Cranial NN > Flashcards

Cranial NN Flashcards

1
Q

I

A

olfactory

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2
Q

II

A

optic

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3
Q

III

A

oculomotor

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4
Q

IV

A

trochlear

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5
Q

V

A

trigeminal

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6
Q

VI

A

abducens

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7
Q

VII

A

facial

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8
Q

VIII

A

vestibulocochlear

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9
Q

IX

A

glossopharyngeal

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10
Q

X

A

Vagus

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11
Q

XI

A

Accessory

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12
Q

XII

A

hypoglossal

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13
Q

is olfactory S or M

A

S

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14
Q

is optic S or M

A

S

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15
Q

is oculomotor S or M

A

M

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16
Q

is IV S or M

A

M

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17
Q

is trigeminal S or M

A

both

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18
Q

is VI S or M

A

M

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19
Q

is VII S or M

A

Both

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20
Q

is vestibulococlear S or M

A

S

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21
Q

is IX S or M

A

both

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22
Q

is Vagus S or M

A

both

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23
Q

is Accessory S or M

A

M

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24
Q

is XII S or M

A

M

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25
Q

fxn of I

A

olfactory- smell

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26
Q

fxn of II

A

optic- vision

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27
Q

fxn of III

A

Occulomotor- Everything in eye except closes, abduct and cry! moves eyes up, down, medially, raise upper eyelid, constrict pupil, adjust lens shape

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28
Q

fxn of IV

A

troclear- moves eyes medially and down simultaneously

29
Q

fxn of V

A

trigeminal- facial sensation, chewing, TMJ sensation

30
Q

fxn of VI

A

abducens- abducts eye

31
Q

fxn of VII

A

facial- ( this nerve lets u enjoy ur double choc. fudge brownie that u treat urself to after u’ve been sad and cried ur eyes out) facial expression, closes eye, tears, salivation, taste

32
Q

fxn of VIII

A

vestibulocochlear- sensation of the position of head relative to gravity, head movement sensation, hearing

33
Q

fxn of IX

A

glossopharyngeal- (taste and swallow food) swallowing, salvation, taste

34
Q

fxn of X

A

Vagus- (think ur stomach is queasy bc ur about to give a speech at CSM in Vegas, u can taste the bile in ur throat, u swallow hard and start talking) regulates viscera, swallowing, speech, taste

35
Q

fxn of XI

A

accessory- elevates shoulders, turns head

36
Q

fxn of XII

A

hypoglossal- (the last piece to speaking and eating) moves tongue

37
Q

which CNs control swallowing

A

Vagus, glossopharyngeal

38
Q

which CNs do u need for the diff parts of eating?

A

Trigeminal- chewing and sensation from TMJ
Facial- salivation and taste
glossopharyngeal- swallowing, salivation, taste
Vagus- swallowing, speech, taste
hypoglossal- moves tongue

39
Q

where does the olfactory N originate?

A

inferior frontal lobe

40
Q

where does the optic nerve originate

A

diencephalon

41
Q

where does teh oculomotor nerve originate

A

midbrain

42
Q

where does the troclear nerve originate?

A

midbrain

43
Q

where does the trigeminal nerve originate

A

pons

44
Q

where does teh abducens N originate

A

inf. pons- between pons and medulla

45
Q

where does the facial nerve originate

A

inf. pons - tween pons and medulla

46
Q

where does the vestibulocochlear nerve originate

A

inf. pons- tween pons and medulla

47
Q

where does teh glossopharyngeal nerve originate

A

medulla

48
Q

where does the vagus nerve originate?

A

medulla

49
Q

where does the accessory nerve originate

A

spinal cord and medulla

50
Q

where does the hypoglossal nerve originate?

A

medulla

51
Q

which CNs originate on the inf. pons, between the pons and medulla?

A

VI, VII, VIII

abducens, facial, vestibulocochlear

52
Q

which CNs originate in the midbrain?

A

III, IV

oculomotor and trochlear

53
Q

which CNs originate on the medulla?

A

IX,X, XI, XII

glossopharyngeal, vagus, accessory, hypoglossal

54
Q

which CN originates on the diencephalon?

A

optic (II)

55
Q

which CN originates on the inferior frontal lobe?

A

olfactory (I)

56
Q

which CN originates on the pons

A

trigeminal (V)

57
Q

how do u test the olfactory nerve

A

have pt identify a susbstance by smelling it, isolate each nostril

58
Q

how do u test the optic N

A

vision chart and pupillary reflex (sensory)

59
Q

how do u tests the oculomotor N?

A

H test to tract finger, check that eyelids open equally, pupillary reflex (motor portion)

60
Q

how do u test the trochlear N

A

track finger to look at tip of nose

61
Q

how do u test the trigeminal N

A

sensation of face, corneal reflex (sensory), masseter reflex

62
Q

how do u test abducens N?

A

track finger to the side

63
Q

how do u test facial N?

A

facial expressions, corneal reflex (motor portion)

64
Q

how do u test vestibulocochlear N?

A

vest. function, hearing

65
Q

how do u test glossopharyngeal N?

A

gag reflex (sensory portion)

66
Q

how do u test Vagus N?

A

have pt say “ahh” (look for equal and bilateral soft palate rising), gag reflex (motor component)

67
Q

how do u test the accessory N?

A

MMT the upper trap and SCM

68
Q

how do u test the hypoglossal N?

A

have pt stick tongue out, if any probs, tongue will deviate towards the damaged side.

Neuroscience (12 decks)

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