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Health Assessment > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Olfactory; smell

A

CN I

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2
Q

How to test CN I

A

Symmetrical recognition of smells

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3
Q

Optic; vision

A

CN II

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4
Q

How to test CN II

A

Snellen and Rosenbaum charts

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5
Q

CN III

A

Oculomotor

MOTOR: opening of eyelids, EOM movement

PARASYMPATHETIC: pupil constriction lens shape

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6
Q

How to test CN 3, 4, and 6

A

Six cardinal positions of gaze/diagnostic positions test and PERRLA

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7
Q

CN IV

A

Trochlear nerve

MOTOR: down and inward eye movement

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8
Q

CN 5

Sensory and motor?

A

Trigeminal

SENSORY: sensation of face, scalp, cornea, and mucous membranes of mouth and nose

MOTOR: muscles of mastication

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9
Q

How to test for CN 5

A

Light touch to three areas (TRIgeminal)
Forehead, cheeks, and chin
Motor = clench teeth

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10
Q

CN 6

A

Abducens

MOTOR: lateral movement of eye

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11
Q

CN 7

A

Facial

SENSORY: taste

MOTOR: Face muscles

PARASYMPATHETIC: saliva and tear secretion 

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12
Q

How to test for CN 7

A

Smile, frown, close eyes tightly, lift eyebrows, show teeth, puff cheeks

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13
Q

CN 8

A

Acoustic

SENSORY: hearing and equilibrium

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14
Q

How to test for CN 8

A

Whispered voice test

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15
Q

CN 9

A

Glossopharyngeal nerve

SENSORY: taste, gag reflex

MOTOR: pharynx; phonation and swallowing

PARASYMPATHETIC: parotid and carotid glands

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16
Q

How to test CN 9 and 10

A

Press tongue with blade and say “aah”

17
Q

CN 10

A

Vagus

SENSORY: sensation of carotid body, sinus, pharynx and viscera

MOTOR: Larynx; talking. Pharynx; swallowing

PARASYMPATHETIC: carotid reflex

18
Q

CN 11

A

Spinal accessory

MOTOR: trapezes and sternomastoid muscle movement

19
Q

How to test CN 11

A

Rotate head and shrug shoulders against resistance

20
Q

CN 12

A

Hypoglossal

MOTOR: Tongue movement

21
Q

How to test CN 12

A

Move tongue in all directions; “light, tight, dynamite”

Health Assessment (15 decks)

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