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Board Review - C - Neuro > Neuro VI > Flashcards

Neuro VI Flashcards

1
Q

Some Say Money Matters But My Brother Says Big Boobs Matter Most

A 
1 - sensory
2 - sensory
3 - motor
4 - motor
5 - both
6 - motor
7 - both
8 - sensory
9 - both
10 - both
11 - motor
12 - motor
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2
Q

trigeminal n

A

CN 5

mastication
face sensation
sense anterior 2/3 tongue

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3
Q

trochlear n

A

CN 4

motor to superior oblique of eye

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4
Q

nerve through parotid gland

A

facial n innervation of stapedius in ear

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5
Q

carotid body and sinus chemo/baroreceptors

A

glossopharyngeal

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6
Q

vagal nucleus

A

nucleus solitarius - sense - 7, 9, 10
nucleus ambiguus - swallowing - 9, 10, 11
dorsal motor nucleus - parasympathetics - 10

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7
Q

corneal reflex

A

in 5a

out 7 - temporal branch - orbicularis oculi

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8
Q

lacrimation reflex

A

in 5a

out 7

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9
Q

jaw jerk reflex

A

in 5c - muscle spindle of masseter

out 5c - motor masseter

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10
Q

pupil reflex

A

in 2

out 3

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11
Q

gag reflex

A

in 9

out 10

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12
Q

CN 5 motor lesion

A

jaw toward side of lesion

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13
Q

CN 10 lesion

A

uvula deviate away from lesion

weak side collapses

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14
Q

CN 11 lesion

A

weak turn head to C/L side (SCM)

shoulder droop side of lesion - trap

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15
Q

CN 12 lesion

A

LMN

tongue deviate toward side of lesion

lick your wound

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16
Q

cavernous sinus

A

collection either side of pituitary

from eye and superficial cortex to internal jugular vein

CN pass through

  • 3, 4, 5a, 6 - SOF also**
  • sometimes 5b
  • postganglionic sympathetic fibers
  • also - ICA pass through
17
Q

cavernous sinus syndrome

A

variable ophthalmoplegia
loss corneal sensation
horner syndrome
decreased maxillary sensation

with pituitary mass

most susceptible - cranial nerve 6

18
Q

middle ear

A

malleus
incus
stapes

19
Q

inner ear

A

cochlea

low frequency - apex
high frequency - base

20
Q

conductive hearing loss

A

bone > air - rinne

localize affected ear - weber

21
Q

sensorineural hearing loss

A

bone

22
Q

noise indue hearing loss

A

damage stereociliated cells - organ of corti

loss high frequency first

23
Q

cholesteatoma

A

overgrowth desquamated keratin - in middle ear

conductive hearing loss

24
Q

UMN facial n lesion

A

C/L paralysis lower face

upper spared - B/L UMN innervation

25
Q

LMN facial n lesion

A

I/L paralysis upper and lower face

26
Q

facial n palsy

A

ipsilateral facial paralysis

with lyme
herpes simplex
and herpes zoster (ramsay hunt syndrome)
also sarcoid, amyloid, tumor, diabetes

27
Q

mastication muscles

A

masseter
temporalis
medial pterygoid

innervation - 5c - trigeminal

28
Q

aqueous humor production

A

ciliary epithelium - beta

29
Q

iris sphincter

A

M3

30
Q

iris dilator

A

a1

31
Q

hyperopia

A

light focus behind retina

32
Q

myopia

A

light focus in front of retina

33
Q

astigmatism

A

abnormal curved cornea

34
Q

presbyopia

A

impaired accommodation - can’t focus near objects

lens elasticity

35
Q

cataract risk fx

A

age, smoking, ethanol, sunlight, corticosteroid use

classic galactosemia
galactokinase deficiency
DM - sorbitol deposits
trauma
infection
36
Q

open angle glaucoma

A

age, AA, fam hx
painless

secondary - blocked trabecular meshwork - from WBCs (uveitis), RBCs (hemorrage), or retinal element

37
Q

closed angle glaucoma

A

foward movement lens against central iris
obstruct aqueous flow

secondary - retinal hoxpixa - vasoproliferation of iris - contract angle

38
Q

acute closed angle glaucoma

A

emergency

painful, red eye, vision loss, halo around light

CI - epinephrine

39
Q

uveitis

A

inflammation of uvea

hypopyon - accumulation pus anterior chamber

or conjunctival redness

with systemic inflammatory conduction - sarcoid, RA, juvenile idiopathic arthritis, HLA-B27 conditions)

Board Review - C - Neuro (9 decks)

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