cranial nerves Flashcards

1
Q

how many cranial nerves are there?

A

12

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2
Q

where do the cranial nerves originate from?

A

the brainstem and the cerebellum

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3
Q

what cranial nerves originate from the brainstem

A

10 (not including optic and olfactory)

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4
Q

what cranial nerves originate from the cerebellum

A

optic and olfactory

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5
Q

nerve 1

A

olfactory

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6
Q

nerve 2

A

optic

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7
Q

nerve 3

A

oculomotor

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8
Q

nerve 4

A

trochlear

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9
Q

nerve 5

A

trigeminal

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10
Q

nerve 6

A

abducens

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11
Q

nerve 7

A

facial

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12
Q

nerve 8

A

vestibulocochlear

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13
Q

nerve 9

A

glossopharyngeal

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14
Q

nerve 10

A

vagus

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15
Q

nerve 11

A

accessory

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16
Q

nerve 12

A

hypoglossal

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17
Q

does the olfactory nerve have sensory, motor or both?

A

sensory (special senses)

18
Q

does the optic nerve have sensory, motor or both?

A

sensory (special senses)

19
Q

does the oculomotor nerve have sensory, motor or both?

A

motor

20
Q

does the trochlear nerve have sensory, motor or both?

A

motor

21
Q

does the trigeminal nerve have sensory, motor or both?

A

mixed (motor is brachial)

22
Q

does the abducens nerve have sensory, motor or both?

A

motor (somatic)

23
Q

does the facial nerve have sensory, motor or both?

A

mixed (motor is brachial and autonomic)

24
Q

does the vestibulocochlear nerve have sensory, motor or both?

A

sensory (special senses)

25
Q

does the glossopharyngeal nerve have sensory, motor or both?

A

both

26
Q

does the vagus nerve have sensory, motor or both?

A

both

27
Q

does the accessory nerve have sensory, motor or both?

A

motor

28
Q

does the hypoglossal nerve have sensory, motor or both?

A

motor

29
Q

function of the olfactory nerve

A

smell

30
Q

function of the optic nerve

A

vision

31
Q

function of the oculomotor nerve

A

most eye movement including reactive eye movement

32
Q

function of the trochlear nerve

A

moves the eye to look at the nose

33
Q

function of the trigeminal nerve

A

face and oral cavity sensation, mastication, and control of the middle ear muscle

34
Q

function of the abducens nerve

A

adducts the eyeballs

35
Q

function of the facial nerve

A

facial expression and taste

36
Q

function of the vestibulocochlear nerve

A

hearing and equilibrum

37
Q

function of the glossopharyngeal nerve

A

taste, gag reflex, and secretion of saliva

38
Q

function of the vagus nerve

A

gagging and parasympathetic innervation

39
Q

function of the accessory nerve

A

shoulder shrug and movement of head

40
Q

function of the hypoglossal nerve

A

swallowing and speech

41
Q

way to remember the order of the nerves

A

only one of the two athletes felt very good, victorious, and healthy