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Clinical Neuroscience > cranial nerves > Flashcards

cranial nerves Flashcards

1
Q

is cranial nerve I sensory or motor

A

sensory

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2
Q

is cranial nerve II sensory or motor

A

sensory

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3
Q

is cranial nerve III sensory or motor

A

motor

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4
Q

is cranial nerve IV sensory or motor

A

motor

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5
Q

is cranial nerve V sensory or motor

A

sensory and motor

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6
Q

is cranial nerve VI sensory or motor

A

motor

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7
Q

is cranial nerve VII sensory or motor

A

sensory and motor

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8
Q

is cranial nerve VIII sensory or motor

A

sensory

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9
Q

is cranial nerve IX sensory or motor

A

sensory and motor

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10
Q

is cranial nerve X sensory or motor

A

sensory and motor

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11
Q

is cranial nerve XI sensory or motor

A

motor

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12
Q

is cranial nerve XII sensory or motor

A

motor

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13
Q

what is the major function of cranial nerve I

A

sense of smell

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14
Q

what is the major function of cranial nerve II

A

vision

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15
Q

what is the major function of cranial nerve III

A

eye movements, pupillary constriction, upper eyelid muscles

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16
Q

what is the major function of cranial nerve IV

A

eye movements, up/down

17
Q

what is the major function of cranial nerve V

A

somatic sensation from face, mouth, cornea
muscles of mastication
aids in pupillary dilation

18
Q

what is the major function of cranial nerve VI

A

eye movements, side to side

19
Q

what is the major function of cranial nerve VII

A

muscles of facial expression, taste (anterior tongue), lacrimal/salivary glands, somatic sensation from small part of ear

20
Q

what is the major function of cranial nerve VIII

A

hearing, sense of balance

21
Q

what is the major function of cranial nerve IX

A

swallowing muscle, sensation/taste posterior tongue, salivary gland, somatic sensation small part of ear

22
Q

what is the major function of cranial nerve X

A

autonomic functions of gut, cardiac inhibition, sensation from larynx/pharynx, vocal cords, swallowing, somatic sensation small part of ear

23
Q

what is the major function of cranial nerve XI

A

shoulder and neck muscles

24
Q

what is the major function of cranial nerve XII

A

movements of tongue

25
Q

what is a clinical test of function for cranial nerve I

A

test sense of smell with standard odor

26
Q

what is a clinical test of function for cranial nerve II

A

acuity, pupillary light reflex, and integrity of visual field

27
Q

what is a clinical test of function for cranial nerve III

A

test eye movements, pupillary light reflex

28
Q

what is a clinical test of function for cranial nerve IV

A

can’t look downward when eye adducted

29
Q

what is a clinical test of function for cranial nerve V

A

face sensation, clamp jaw tightly

30
Q

what is a clinical test of function for cranial nerve VI

A

can’t look laterally

31
Q

what is a clinical test of function for cranial nerve VII

A

test facial expression

32
Q

what is a clinical test of function for cranial nerve VIII

A

test audition with tuning fork, vestibular function by gaze fixation

33
Q

what is a clinical test of function for cranial nerve IX

A

test swallowing, pharyngeal gag reflex

34
Q

what is a clinical test of function for cranial nerve X

A

observe posterior pharynx at rest and during phonation

35
Q

what is a clinical test of function for cranial nerve XI

A

test sternocleidomastoid and trapezius muscles

36
Q

what is a clinical test of function for cranial nerve XII

A

test deviation of tongue and symmetry of force when pressing tongue against cheek

Clinical Neuroscience (4 decks)

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