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REVISION EXTRAS > CRANIAL NERVES AND FORAMINA > Flashcards

CRANIAL NERVES AND FORAMINA Flashcards

1
Q

how does a CN3 palsy present?

A

ptosis
eye down and out
dilated and fixed pupil

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2
Q

how does a CN4 palsy present?

A

vertical diplopia

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3
Q

how does a CN5 palsy present?

A 
trigeminal neuralgia
loss of corneal reflex
loss of facial sensation
paralysis of mastication muscles
deviation of jaw
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4
Q

how does a CN6 palsy present?

A

horizontal diplopia

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5
Q

how does a CN7 palsy present?

A

flaccid paralysis of upper/lower face
loss of corneal reflex
loss of taste

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6
Q

how does a CN8 palsy present?

A

hearing loss
vertigo
nystagmus

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7
Q

how does a CN9 palsy present?

A

hypersensitive carotid sinus reflex

loss of gag reflex

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8
Q

how does a CN10 palsy present?

A

uvula deviates away from side of lesion

loss of gag reflex

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9
Q

how does a CN11 palsy present?

A

weakness in turning head to contralateral side

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10
Q

how does a CN12 palsy present?

A

tongue deviates away from side of lesion

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11
Q

what passes through the ciribriform plate?

A

olfactory nerve filaments

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12
Q

what passes through the optic canal?

A

optic nerve and opthalmic artery

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13
Q

what passes through the superior orbital fissure?

A 
oculomotor nerve
trochlear nerve
opthalmic nerve
abducens nerve
superior opthalmic vein
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14
Q

what passes through the foramen rotundum?

A

maxillary nerve

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15
Q

what passes through the foramen ovale?

A

mandibular nerve
accessory meningeal artery
lesser petrosal nerve

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16
Q

what passes through the foramen spinosum?

A

middle meningeal artery and vein

meningeal branch of mandibular nerve

17
Q

what passes through the foramen lacerum?

A

greater petrosal nerve

18
Q

what passes through the carotid canal?

A

internal carotid artery and nerve

19
Q

what passes through the internal acoustic meatus?

A

facial nerve
vestibulocochlear nerve
labyrinthine artery

20
Q

what passes through the jugular foramen?

A

glossopharyngeal nerve
vagus nerve
accessory spinal nerve
posteror meningeal artery

21
Q

what passes through the hypoglossal canal?

A

hypoglossal nerve

22
Q

what passes through the foramen magnum ?

A

medulla oblongata
vertebral arteries
spinal roots of accessory nerve

REVISION EXTRAS (7 decks)

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