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MUSC Anatomy EXAM 3 > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

(61 cards)

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1
Q

Cranial Nerve I

A

Olfactory Nerve

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2
Q

Cranial Nerve II

A

Optic Nerve

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3
Q

Cranial Nerve III

A

Oculomotor Nerve

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4
Q

Cranial Nerve IV

A

Trochlear Nerve

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5
Q

Cranial Nerve V

A

Trigeminal Nerve

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6
Q

Cranial Nerve VI

A

Abducens Nerve

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7
Q

Cranial Nerve VII

A

Facial Nerve

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8
Q

Cranial Nerve VII

A

Vestibulocochlear Nerve

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9
Q

Cranial Nerve IX

A

Glossopharyngeal Nerve

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10
Q

Cranial Nerve X

A

Vagus Nerve

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11
Q

Cranial Nerve XI

A

Spinal Accessory Nerve

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12
Q

Cranial Nerve XII

A

Hypoglossal Nerve

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13
Q

Cranial Nerve I sensory, motor, or both

A

sensory

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14
Q

Cranial Nerve I I sensory, motor, or both

A

sensory

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15
Q

Cranial Nerve III sensory, motor, or both

A

motor

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16
Q

Cranial Nerve IV sensory, motor, or both

A

motor

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17
Q

Cranial Nerve V sensory, motor, or both

A

both

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18
Q

Cranial Nerve VI sensory, motor, or both

A

motor

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19
Q

Cranial Nerve VII sensory, motor, or both

A

both

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20
Q

Cranial Nerve VIII sensory, motor, or both

A

sensory

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21
Q

Cranial Nerve IX sensory, motor, or both

A

both

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22
Q

Cranial Nerve X sensory, motor, or both

A

both

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23
Q

Cranial Nerve XI sensory, motor, or both

A

motor

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24
Q

Cranial Nerve XII sensory, motor, or both

A

motor

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25
4 cranial nerves with sympathetic innervation
oculomotor (CN III) Facial (CN VII) Glosspharyngeal (IX) Vagus (X)
26
olfactory nerve fibers go through which foramen
cribriform plate
27
OLFACTORY NERVE FUNCTION
SMELL/OLFACTION
28
olfactory trigone
some nerve fibers go laterally and others cross hemisphere via lateral commissure.
29
olfactory nerves begin in the ___.
nasal mucosa
30
only cranial nerve that bypasses thalamus
olfactory nerve
31
optic nerve fibers cross at
optic chiasm
32
optic nerve function
vision
33
otic nerve fibers originate in the __.
retina
34
optic nerve exits via what foramen
optic canal
35
what can affect the optic chiasm and cause visual defects?
enlarged pituitary gland
36
oculomotor nerve emerges from what?
interpeduncular fossa
37
oculomotor nerve fibers enter orbit via what foramen
superior orbital fissure
38
upper division of occulomotor nerve innervates
superior rectus, levator palpebrae superioris
39
lower division of occulomotor nerve innervates
inferior oblique, inferior rectus, medial rectus, and parasympathetic innervation (ciliary muscles)
40
function of levator palpebrae superioris
open eyelid
41
function of superior rectus
eye rotates up
42
function of inferior oblique
eye rotates up and out
43
function of inferior rectus
eye rotates down
44
function of medial rectus
eye rotates in
45
function of lateral rectus
eye rotates out- abducens
46
innervation of lateral rectus
abducens nerve
47
innervation of superior oblique
trochlear nerve
48
function of superior oblique
eye rotates down and out
49
cardinal sign for problems with oculomotor nerve
ptosis (drooping eyelid)
50
oculomotor parasympathetic function
constricts pupil (constrictor pupillae muscles) and changes shape of lens (ciliary muscle). results in distance accommodation.
51
origination point for all muscles except inferior oblique
annulus of zin
52
where does inferior oblique originate?
medial surface of orbit
53
which cranial nerves enter via the superior orbital fissure?
CN III, VI, IV oculomotor abducens trochlear
54
only cranial nerve attached to dorsal aspect of brainstem
trochlear nerve
55
trochlear nerve foramen
superior orbital fissure
56
motor function of trochlear nerve
innervates superior oblique, moves eye down and out
57
smalles cranial nerve
trochlear nerve
58
3 divisions of trigeminal nerve
1. ophthalmic (V1) 2. maxillary (V2) 3. mandibular (V3)
59
ophthalmic division of trigeminal nerve foramen
superior orbital fissure
60
maxillary division of trigeminal nerve foramen
foramen rotundum
61
mandibular division of trigeminal nerve foramen
forman ovale

MUSC Anatomy EXAM 3 (2 decks)

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