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Cranial Nerves - dysfxn
Dysfunction of CNs
12
Anatomy
Graduate
05/01/2012

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Cards

Term
I: Olfactory
Definition
ipsilateral anosmia,
uncinate fits
Term
II: Optic
Definition
bitemporal hemianopsia
Term
III: Oculomotor
Definition
ptosis,
external strabismus,
mydriasis,
anisocoria
Term
IV: Trochlear
Definition
extortion (.> diplopia)
Term
V: Trigeminal
Definition
trigeminal neuralgia (tix doloreaux)
Term
VI: Abducens
Definition
strabismus
Term
VII: Facial
Definition
UMNL: contralateral lower face paralysis
LMNL: Bell's palsy (ipsilateral)
Term
VIII: Vestibulocochlear
Definition
acoustic neuroma
Term
IX: Glossopharyngeal
Definition
gag reflex
Term
X: Vagus
Definition
LMNL: hoarseness
Incr activity >> Incr gastric ulceration
Ø elevation of soft palate
Term
XI: Accessory
Definition
shoulder drop
Term
XII: Hypoglossal
Definition
UMNL: tongue deviates opposite lesion; no atrophy
LMNL: tongue deviates same side as lesion; atrophy, paralysis
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