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CNS > disorders of crinal nerves > Flashcards

disorders of crinal nerves Flashcards

1
Q

what are the nerves of olfaction and visoin

A

olfactio - 1
vision - 2

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2
Q

nerves of taste

A

7, 9 and 10

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3
Q

nerve of hearing

A

8

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4
Q

what nerve innervates the lacrimalr gladn

A

7

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5
Q

nerve that innervates submanivuar and subligal galnd

A

7

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6
Q

nerve that innervates parotid

A

9 - gloosopgharynal

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7
Q

what to test when test smell

A

is it bi lateral or unilaater
use smelling papers

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8
Q

what to test for cn2

A

visual acuity
visual feild
pupillary recations
fundospcy
colur vision

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9
Q

what to look for in testing 3, 4 and 6

A

pupil equalness
eye movemets
pupillary reactions

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10
Q

how to tests cn 5

A

sensation in each division
corneal reflex
jaw jerk
mucle of masfaio power

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11
Q

jaw jerk

A

strech reflex of trigeral nerve
whhen tap ower jaw will cuase moth to clsoe sunndle due to action of masseter muscle

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12
Q

how to test facial nerve

A

corneal reflex
taste
msucles of facial experiosn,

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13
Q

how to effecgily tests muslce of facial expeion

A

use hands, to try and pry muscles apart to tests there effectiveness

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14
Q

how to test cn 8

A

using rhinens and webers test

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15
Q

how to tests glossopharnera and vagal

A

movement of palate
gag reflex - can tug on intubation tube if unconcis
quality of speech
cough

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16
Q

how to test acessory nerve

A

head turing and sholer shrugging for sternomaod and trapsoi

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17
Q

how to test hypoglossal

A

movement of the tougne

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18
Q

what is the afferen tand efferent of gag reflex

A

afferent - 9
efferetn - 10

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19
Q

afferenat and effect of corneal reflex

A

afferent - v
efferent - 7

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20
Q

what crainl nerve nucli lie in mid brain

A

3 and 4

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21
Q

what crianl nerves lie in pons

A

5, 6 and 7

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22
Q

what crail nerves lie in pontomedullary juction

A

8

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23
Q

what crail nerve lie in medulla

A

9, 10 , 11 and 12

24
Q

what is likely if her is just motor signs

A

myassthesi gravis

25
Q

what is optic neruits

A

demylaei with teh optic nerve

26
Q

effect of optic neurtis

A

monocular vision loss
pain on eye movemet
reduced visual acutiy
reduced coulr vision
optic disc is swooel

27
Q

what is optic nerutis assoicaed with

A

ms

28
Q

how to detect optic nerusis

A

electon condisn suty on optic nerve

29
Q

what happens if you lose parasympatic of pupil

A

fixed dilated pupil

30
Q

loss of sympathic innervation of pupil

A

consticued pupil

31
Q

cuases of dilated putpi

A

being young
dim light
anxiety
mydriatic eye drops
ampheatime or cocaine overdose
thrid nerve palssy
brian death

32
Q

causes of small pupils

A

old age
braihgt light
miotic eye drops
opidate overdsoe
horneer sydnoem

33
Q

wher cna a ysmapthic damge happen

A

anywer form teh t1 all the way to they

34
Q

causes of 3rd nerve palsase that are micorvasuclar

A

diabets, hypertion

35
Q

cause of compresive 3rd nerve pals

A

posteri communciating artery anerusy
raised icp

36
Q

is microvausla or compressife 3rd nerve pulos painful

A

compressive

37
Q

effect on pupil is sen in compresive or microvasul 3rd nerve palsy

A

compressive

38
Q

cuases of isolated 6th nerve palsy

A

idiopaty
diabeaees
menigits
raised icp

39
Q

causes of nysatgumus

A

congenitla
serious visual impairmetn
perigpayr vestiiarul promebl
central vesiuabrl promeba;
cerebellar disesae
toxin

40
Q

what is seen in trigermail nerulaglis

A

proximal attacks of lanciating pain

41
Q

what are the triggers of trigermal nueurlagis

A

any touch to the face

42
Q

cause of trigmarl neurliag

A

compession 5th nerve in posterl fossa due to vasualr loop

43
Q

how to treat tirgemal nerulaiga

A

carbamazepine - anti conflugant
surgery

44
Q

what is bells palsy symtoms

A

unilatarl facial wealkness
eye closure failure
pain behind ear

45
Q

what tpe of neuron is bells paslay assoicaed with

A

lower

46
Q

what is vestibualr neuronitis

A

wher ther is sudden onlset vertigo with vomitiin

47
Q

cuase of vesihaur neurotis

A

viral

48
Q

dysarathia

A

inabilty to speak prapoerpy

49
Q

where is dysarthria and dyspagiaseen in

A

bulbar and pseudobulabr palsay

50
Q

symptons of bulbar pulsy

A

wasted and flasciated dounge
dysphagai
dysarthia
dysphonsa

51
Q

cause of bulbar palsy

A

bilatarl lmn lesions effecign cn 9-12

52
Q

cuase of pseudobularb palsy

A

uppermotor nuron lesion

53
Q

signs of psudeopbalar palssy

A

dysathria, dysphoha, dysphagia , splastic, immobile toughe, brisk jaw jerk, brisk gag reflex

54
Q

locaiton of cranal nerve nuclei

A

in brain stem , just before they emerge

55
Q

how are crianl nerves damged

A

blood vessle inflatoin
head injury
infections
tumorus

CNS (36 decks)

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