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Anatomy Head And Neck > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

which nerve innervates most of the muscles to the palate?

A

vagus CN X

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2
Q

orange arrow cranial nerve

A

trigeminal nerve CN V

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3
Q

Pink bracket

A

hypoglossal nerve CN XII

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4
Q

red arrow

A

CN III Oculomotor nerve

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5
Q

which cranial nerves are located in the hindbrain? (medulla region)

A

CN IX, CN X, CN XI, CN XII

(glossopharyngeal, vagus, spinal accessory, hypoglossal)

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6
Q

light blue arrow structure

what nerve exits here?

A

foramen ovale

V3 of trigeminal CN V

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7
Q

Green Arrow cranial nerve

A

Facial nerve CN VII

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8
Q

Red Arrow structure

Which nerve exits here

A

hypoglossal canal

hypoglossal nerve CN XII

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9
Q

what does the trochlear nerve CN IV innervate?

A

superior oblique muscle of the eye

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10
Q

which cranial nerve is sandwiched between the olives and pyramid?

A

hypoglossal nerve CN XII

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11
Q

which nerve innervates most of the muscles of the pharynx

A

vagus CN X

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12
Q

three divisions of the trigeminal nerve

A

ophthalmic nerve V1

maxillary nerve V2

mandibular nerve V3

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13
Q

Blue bracket

A

Vagus nerve CN X

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14
Q

which cranial nerves are located in the hindbrain? (pons region)

A

CN V, CN VI, CN VII, CN VIII

(trigeminal, abducent, facial, vestibulocochlear)

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15
Q

Green Arrow

A

CN I Olfactory nerve

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16
Q

orange arrow cranial nerve

A

accessory nerve CN XI

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17
Q

vagus nerve CN X carries somatic sensory nerves from what region

A

some pharynx

all of the larynx

small amount in the external ear canal

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18
Q

Blue arrow structure

Which nerve exits here?

A

Jugular foramen

glossopharyngel nerve CN IX, vagus nerve CN X, accessory nerve CN XI

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19
Q

to reach their final destinations, most parasympathetic hitchhike on sensory brances of the

A

trigeminal nerve

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20
Q

which nerve innervates muscles of facial expression?

A

facial nerve CN VII

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21
Q

Pink Arrow structure

What nerve exits here

A

foramen rotundum

V2 of trigeminal nerve CN V

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22
Q

What does the abducent nerve CN VI innervate?

A

lateral rectus muscle of the eye

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23
Q

Path accessory nerve CN XI takes in and out of the skull

A

in the foramen magnum, exits the jugular foramen

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24
Q

light blue arrow cranial nerve

A

Abducent nerve CN VI

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25
Q

Green Arrow

A

Glossopharyngeal nerve CN IX

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26
Q

Blue arrow cranial nerve

A

vestibulocochlear CN VIII

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27
Q

Red arrow cranial nerve

A

oculomotor nerve CN III

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28
Q

purple arrow

A

CN IV Trochlear nerve

29
Q

Green Arrow structure:

What nerve exits?

A

Cirbiform plate

CN I, olfactory nerve

30
Q

Blue Arrow

A

Motor Root of Trigeminal nerve CN V

31
Q

pink arrow cranial nerve

A

trochlear nerve CN IV

32
Q

which cranial nerve innervates muscles that are involved in mastication?

A

mandibular nerve CN V3

33
Q

Which cranial nerves are located in the midbrain?

A

CN III, CN IV (oculomotor, trochlear)

34
Q

Blue arrow cranial nerve

A

optic nerve CN II

35
Q

Blue arrow structure:

What nerve exits here?

A

optic canal

optic nerve CN II

36
Q

What is Stern’s third law?

A

All muscles with gloss- in the name are innervated by hypoglossal nerve CN XII

37
Q

which cranial nerves are located on the olive?

A

glossopharyngeal CN IX, vagus nerve CN X

38
Q

Glossopharyngeal nerve CN IX carries somatic sensory from what region

A

posterior third of the tongue, pharynx, middle ear

39
Q

Which cranial nerve takes the longest route through the cavernous sinus?

A

Abducent nerve CN VI

40
Q

which nerve innervates most of the muscles of the toungue?

A

hypoglossal nerve CN XII

41
Q

What is Stern’s second law?

A

all muscles with palat- in the name are innervated by vagus nerve CN X

42
Q

Red Arrow structure:

What nerve exits here?

A

Superior orbital fissure

oculomotor CN III, trochlear CN IV, V1 of trigeminal nerve CN V, Abducent nerve CN VI

43
Q

Red Arrow

A

Abducent nerve CN VI

44
Q

Which 4 cranial nerves carry presynaptic parasympathetic fibers out of the brain

A

cranial nerves: 3-9-7-7

go to ganglia: C-O-P-S

vagus nerve carries these fibers but does not synpase in any of the head ganglia

45
Q

which nerve innervates tensor muscles?

A

mandibular nerve CN V3

46
Q

Green Arrow

A

Sensory root of Trigeminal nerve CN V

47
Q

pink arrow cranial nerve

A

vagus nerve CN X

48
Q

Yellow Arrow

A

Vestibulocochlear nerve CN VIII

49
Q

which root of trigeminal is larger?

A

sensory root

50
Q

Green arrow cranial nerve

A

olfactory nerve CN I

51
Q

the hypoglosasl canal is located just lateral to which structure

A

foramen magnum

52
Q

Red Arrow cranial nerve

A

glossopharyngeal CN IX

53
Q

The facial nerve CN VII carries somatic sensory from:

A

little region of external ear

54
Q

What is Stern’s first law

A

all muscles with tensor in the name are innervated by CN V3 (mandibular)

55
Q

What structure is located between the greater and lesser wings of the sphenoid bone?

A

superior orbital fissure

56
Q

Blue Arrow

A

CN II Optic nerve

57
Q

light blue arrow cranial nerve

A

hypoglossal nerve CN XII

58
Q

Which cranial nerves are located in the forebrain?

A

CN I and CN II (olfactory and optic)

59
Q

which cranial nerves pass through the cavernous sinus?

A

CN III, CN IV, CN V, CN VI

60
Q

Pink Arrow

A

Facial Nerve CN VII

61
Q

Which cranial nerve is the largest

A

Trigeminal CN V

62
Q

What does the glossopharyngeal CN IX nerve innervate?

A

stylopharyngeus muscle (in the pharynx)

63
Q

which cranial nerve innervates the muscles of the eye (mostly)

A

oculomotor nerve CN III

64
Q

Green arrow structure

What nerve exits here?

A

Internal acoustic meatus

Facial nerve CN VII, vestibulocochlear nerve CN VIII

65
Q

What are the four parasympathetic ganglia in the head

A

ciliary ganglion

pterygopalatine ganglion

otic ganglion

submadibular ganglion

66
Q

Red arrow

A

spinal accessory nerve CN XI

67
Q

What does the spinal accessory nerve CN XI innervate?

A

sternocleidomastoid

trapezius

68
Q

which nerve innervates muscles of the larynx

A

vagus CN X

69
Q

cranial nerves traveling to the orbit must travel through:

A

optic canal or superior orbital fissure

Anatomy Head And Neck (13 decks)

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