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Run through C&M lectures > Cranial nerves > Flashcards

Cranial nerves Flashcards

1
Q

What are the 12 cranial nerves?

A
  1. olfactory
  2. optic
  3. oculomotor
  4. trochlear
  5. trigeminal
  6. abducens
  7. facial
  8. vestibulocochlear
  9. glossophayngeal
  10. vagus
  11. accessory
  12. hypoglossal
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2
Q

are sensory nuclei located more lateral or medial to motor nuclei in the brainstem?

A

lateral

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3
Q

What is the foramen of the olfactory nerve?

A

the cribiform plate

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4
Q

What is the function of the olfactory nerve?

A

smell

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5
Q

Where is the optic nerve located?

A

to optic chiasma, optic tract

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6
Q

what is the foramen of the olfactory nerve?

A

optic canal

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7
Q

what is function of the optic nerve?

A

vision

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8
Q

where is the oculomotor nerve located?

A

pontomesencephalic junction

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9
Q

what is the function of the oculomotor nerve?

A

extra ocular muscles 4 & 6

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10
Q

which foramen does the oculomotor nerve leave the brain?

A

the superior orbital fissure

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11
Q

which foramen does the trochlear leave the brain

A

the superior orbital fissure

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12
Q

what is the function of trochlear?

A

superior oblique muscle

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13
Q

what is the function of abducens?

A

LR6 - lateral rectus

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14
Q

which foramen does abducens leave the brain?

A

superior orbital fissure

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15
Q

which branch of the trigeminal nerve leaves the superior orbital fissure?

A

ophthalmic division - sensation from upper face

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16
Q

where does the maxillary division leave the brain?

A

foramen rotundum - sensation from middle face

17
Q

where does the mandibular region leave the brainstem?

A

foramen ovale - sensation from lower face and muscles of mastication

18
Q

what is the role of the facial nerve?

A

muscles of facial expression
anterior 2/3rds of tongues
parasympathetic to all glands

19
Q

where does the facial nerve leave the brain?

A

internal acoustic meatus

20
Q

what is the role of vestibular cochlear?

A

hearing and balance

21
Q

where does vestibular cochlear leave the brain?

A

internal acoustic meatus

22
Q

where does the vagus nerve leave the brain

A

jugular foramen

23
Q

what is the role of vagus?

A

muscles of pharynx and larynx, taste from epiglottis and palate

24
Q

where does accessory nerve leave the brain?

A

jugular foramen

25
Q

what is role of accessory nerve?

A

motor to SCM and trapesius

26
Q

where does hypoglossal leave the brain?

A

hypoglossal canal

27
Q

what is role of hypoglossal?

A

motor to muscles of tongue

Run through C&M lectures (22 decks)

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