Chapter 1 CN Flashcards

1
Q

describe peripheral nystagmus

A

fatigable, latency present, suppression by visual fixation, <1min, unidirectional horizontal/torsional

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2
Q

describe peripheral vertigo

A

subjectively more severe, walking preserved, hearing change and tinnitus common

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3
Q

taste to anterior two thirds of tongue

A

Facial Nerve

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4
Q

Tactile sensation to anterior two thirds of tongue

A

Trigeminal v3

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5
Q

Taste to posterior one third

A

glosspharyngeal IX

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6
Q

Parasympathetics to head and neck nucleus

A

superior salivatory nucleus

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7
Q

Motor nuclei to pharynx and larynx

A

nucleus ambiguus

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8
Q

Parotid nuclei nuclei

A

inferior salivatory nucleus

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9
Q

Nuclei for taste sensation

A

rostral nucleus solitarius

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10
Q

Nuclei for baroreceptor

A

caudal nucleus solitarius

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11
Q

Nuclei for parasympathetic to chest thorax and GI

A

dorsal motor nucleus of vagus

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12
Q

Corneal reflex

A

Aff = Trigeminal –> Eff= Facial

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13
Q

Gag

A

IX –> X

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14
Q

pupil sparin third nerve etiology

A

diabetes

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15
Q

Horner’s when proximal to bifurcation

A

anhidrosis (absent distal to external carotid), miosis and ptosis

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16
Q

Head tilt in trochlear palsy

A

contralateral head tilt

17
Q

reflex absent in argyll robertson

A

pupillar (accomodation intact)

18
Q

Marcus Gunn

A

absent direct light reflex but present consensual

19
Q

down and out

A

third nerve

20
Q

painful vision loss

A

optic neuritis

21
Q

painless vision loss

A

AION

22
Q

cocaine 4 or 10%

A

confirmation of horners no change in horner’s pupil

23
Q

hydroxyamphetamine and horner pupil dilates , what order ?

A

first or second order

24
Q

Hydroxyamphetamine and horner pupil does not dilate

A

third order