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PT 10116 - Neuro Exam > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

pure sensory CN

A

128 Hz

CN 1, 2, 8

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2
Q

CN for vagal function

A

1971 - 10, 9, 7, 11

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3
Q

parasympathetic CN

A

1973 - 10, 9, 7, 3

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4
Q

mixed motor and sensory CN

A

1975 - 10, 9, 7, 5

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5
Q

nucleus of solitary tract

A

SENSORY

7, 9, 10

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6
Q

nucleus ambiguus

A

MOTOR

9, 10, 11

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7
Q

CN I testing

A

olfactory - smell

intro smell then ask pt to close eyes tas one nostrill at a time

1-2 trials

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8
Q

absent sense of smell

A

anosmia

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9
Q

dec sense of smell

A

hyposmia

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10
Q

inc sense of smell

A

hyperosmia

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11
Q

distorted sense of smell

A

dysosmia

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12
Q

perception of bad smell

A

cacosmia

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13
Q

smell s any stimulus

A

parosmia

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14
Q

CN II testing

A

visual acuity
visual field
pupillary light reflex
consensual light reflex

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15
Q

visual acuity test

A

snellen eye chart

14 in for near vision
6 ft for far vision

cover one eye and read downwards kung san mag kamali yung grade is the line above

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16
Q

near sightedness

A

myopia

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17
Q

visual field test

A

testing for peripheral vision - does not need to be malinaw basta kita

cover one eye then place hands lateral to pt then draw hands closer to midline

pt can have good acuity but bad visual field

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18
Q

compare glaucoma to scotoma

A

glaucoma - tunneling, wala peripheral pero ok centran; DM pts

scotoma - wala central kc may dark spot sa center; MS pts

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19
Q

pupillary light relfex testing

A

constriction of ipsi eye when exposed to light - checks EDW of CN III

remove glassess

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20
Q

explain abnormal findings in pupillary light reflex testing

A

non reflex of R eye when exposed to light = oculomotor prob

non reflex of (B) eyes = (R) optic nerve prob of (B) oculomotor prob

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21
Q

explain the pupillary light reflex

A

sensory - optic
motor - oculomotor

light on (R) eye will reach (R) pretectal - (B) EDW - (B) ciliary ganglion - (B) contrictor pupillae = (B) constriciton

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22
Q

consensual light reflex testing

A

(R) eye exposed to light so (L) should also constrict

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23
Q

damage to optic nerve

A

monocular blindness

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24
Q

damage to optic chiasm

A

bitemporal hemianopsia

25
Q

damage to optic tract

A

homonymous hemianopsia

26
Q

testing for CN III

A

confontration tests - accomodation reflex

if object is near = constricted
object is far = dialted

27
Q

testing for EOMs

A

CN III, CN IV, CN VI

all are CN II except
- SO4 and LR6

so pt must not move head while following pt’s fingers using eyes only

28
Q

damage to CN VI effect in vision

A

horizontal diplopia - 2 nakikita sa L and R

29
Q

damage to CN IV effect in vision

A

vertical diplopia - 2 nakikita sa taas and baba

30
Q

esotropia

A

internal strabismus - eyes go medially or inwards

LR6 prob

31
Q

exotropia

A

external strabismus - eyes go laterally or outwards

MR3 problem

32
Q

unequal pupils

A

anisocoria

33
Q

constriction of pupils

A

miosis

34
Q

dilation of pupils

A

mydriasis

35
Q

far sightedness

A

presbyopia

36
Q

diplopia

A

double vision

CN 4 or 6 prob

37
Q

CN V testing

A

all sensory of face - tests VPM

sensory testing
MMT of muscles of mastication
corneal reflex test
jaw reflex

38
Q

all muscles of mastication elevate the jaw except _____

A

lat pterygoid - depresses

39
Q

jaw reflex is done on the ______

A

tendon of mentalis

40
Q

corneal reflex test

A

most sensitive of CN V

sensort - CN V1
motor - CN VII

wipe cotton on sclera and pt blinks

41
Q

best indicator of CN V damage

A

(-) corneal reflex and diplopia

42
Q

CN VII testing

A

all motor of face

MMT of facial muscles
sensation of anterior 2/3 of tounge

43
Q

central paralysis of CN VII

A

lower quadrant of face - stroke

44
Q

peripheral paralysis of CN VII

A

whole one side - bell’s

45
Q

MMT of facial muscle tesitng

A

do facial expressions and resist opening of eyes - CN VII

N, WF, NF, 0

46
Q

ant 2/3 of tounge testing

A

CN VII

sips of water c salt, sugar

47
Q

CN VIII testing

A

rinne’s before weber’s - hearing before lateralization

48
Q

compare conductive and sensorinueral hearing loss

A

conductive - outer and middle ear prob like earwax

sensorineural - inner ear or brain prob

49
Q

rinne’s test

A

tuning fork on mastoid before ear

compare length of sound of AC and BC

normal - AC > BC
conductive - BC > AC
sensorinueral - AC = BC

50
Q

weber’s test

A

tuning fork on vertex of skull

normal - central sound or =

conductive - louder on affected side

sensorinueral - no sound is heard on affected; louder on normal side

51
Q

CN IX and CN X testing

A

gag reflex
swallong and speaking
vagus nerve test

52
Q

gag reflex testing

A

sensory - CN IX
motor - CN X

use tounge dep on psot mouth

53
Q

swallong and speaking test

A

pt’s c dysphagia

contra to pt c aspiration and pneumonia

54
Q

vagus nerve testing

A

soft apalte movement - say AHHHHHH

deviates towards stronger sides

(R) CN X prob = uvuala to the left

55
Q

CN XI testing

A

MMT of traps and SCM

56
Q

CN XII testing

A

all muscles of toungue except palatoglossus

protrude toungue - (R) CN VII prob = toungue to R

deviates towards weaker side

57
Q

what nerve supplies the palatoglossus

A

CN X

58
Q
A

PT 10116 - Neuro Exam (19 decks)

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