Cranial Nerves Flashcards

1
Q

Cranial Nerve I

A

Olfactory

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2
Q

Cranial Nerve II

A

Optic

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3
Q

Cranial Nerve III

A

Oculomotor

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4
Q

Cranial Nerve IV

A

Trochlear

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5
Q

Cranial Nerve V

A

Trigeminal

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6
Q

Cranial Nerve VI

A

Abducens

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7
Q

Cranial Nerve VII

A

Facial

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8
Q

Cranial Nerve VIII

A

Vestibulocochlear

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9
Q

Cranial Nerve IX

A

Glossopharyngeal

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10
Q

Cranial Nerve X

A

Vagus

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11
Q

Cranial Nerve XI

A

Accessory

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12
Q

Cranial Nerve XII

A

Hypoglossal

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13
Q

How many Cranial Nerves are there?

A

12 Cranial Nerves

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14
Q

CN I - Olfacory

A

Type: sensory
Fxn: smell
Test: identify odor w/ eyes closed

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15
Q

CN II - Optic

A

Type: sensory
Fxn: vision
Test: test peripheral vision w/ one eye covered

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16
Q

CN III - Oculomotor

A

Type: motor
Fxn: eye movement & pupillary reaction
Test: peripheral vision, eye chart, reaction to light

17
Q

CN IV - Trochlear

A

Type: motor
Fxn: eye movement
Test: test ability to depress & adduct eye

18
Q

CN V - Trigeminal

A

Type: sensory & motor
Fxn: face sensation & mastication
Test: face sensation & clench teeth

19
Q

CN VI - Abducens

A

Type: motor
Fxn: eye movement
Test: test ability to abduct eye past midline

20
Q

CN VII - Facial

A

Type: sensory & motor
Fxn: facial muscles & taste
Test: close eyes & smile; detect various tastes - sweet, sour, salty, bitter

21
Q

CN VIII - Vestibulocochlear

A

Type: sensory
Fxn: hearing & balance
Test: hearing; balance feet together, eyes open/closedx5sec; test for past-pointing

22
Q

CN IX - Glossopharyngeal

A

Type: sensory & motor
Fxn: swallow, voice, gag reflex
Test: swallow & say “ahh”; use tongue depressor to elicit gag reflex

23
Q

CN X - Vagus

A

Type: sensory & motor
Fxn: swallow, voice, gag reflex
Test: swallow & say “ahh”; use tongue depressor to elicit gag reflex

24
Q

CN XI - Accessory

A

Type: motor
Fxn: SCM & trapezius
Test: rotate/SB neck; shrug shoulders

25
Q

CN XII - Hypoglossal

A

Type: motor
Fxn: tongue movement
Test: protrude tongue (watch for lateral deviation)