Cranial Nerves Flashcards Preview

Anatomy Head And Neck > Cranial Nerves > Flashcards

Flashcards in Cranial Nerves Deck (69):
1

which nerve innervates most of the muscles to the palate?

vagus CN X

2

orange arrow cranial nerve

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trigeminal nerve CN V

3

Pink bracket 

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hypoglossal nerve CN XII

4

red arrow

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CN III Oculomotor nerve

5

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

CN IX, CN X, CN XI, CN XII

(glossopharyngeal, vagus, spinal accessory, hypoglossal)

6

light blue arrow structure 

what nerve exits here?

Q image thumb

foramen ovale

V3 of trigeminal CN V

7

Green Arrow cranial nerve

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Facial nerve CN VII

8

Red Arrow structure

Which nerve exits here

Q image thumb

hypoglossal canal

hypoglossal nerve CN XII

9

what does the trochlear nerve CN IV innervate?

superior oblique muscle of the eye

10

which cranial nerve is sandwiched between the olives and pyramid?

hypoglossal nerve CN XII

11

which nerve innervates most of the muscles of the pharynx

vagus CN X

12

three divisions of the trigeminal nerve

ophthalmic nerve V1

maxillary nerve V2

mandibular nerve V3

13

Blue bracket

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Vagus nerve CN X

14

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

CN V, CN VI, CN VII, CN VIII

(trigeminal, abducent, facial, vestibulocochlear)

15

Green Arrow

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CN I Olfactory nerve

16

orange arrow cranial nerve

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accessory nerve CN XI

17

vagus nerve CN X carries somatic sensory nerves from what region

some pharynx

all of the larynx

small amount in the external ear canal

18

Blue arrow structure

Which nerve exits here?

Q image thumb

Jugular foramen

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

19

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

trigeminal nerve

20

which nerve innervates muscles of facial expression?

facial nerve CN VII

21

Pink Arrow structure

What nerve exits here

Q image thumb

foramen rotundum 

V2 of trigeminal nerve CN V

22

What does the abducent nerve CN VI innervate?

lateral rectus muscle of the eye

23

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

in the foramen magnum, exits the jugular foramen 

24

light blue arrow cranial nerve

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Abducent nerve CN VI

25

Green Arrow

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Glossopharyngeal nerve CN IX

26

Blue arrow cranial nerve

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vestibulocochlear CN VIII

27

Red arrow cranial nerve

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oculomotor nerve CN III

28

purple arrow

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CN IV Trochlear nerve

29

Green Arrow structure:

What nerve exits?

Q image thumb

Cirbiform plate

CN I, olfactory nerve

30

Blue Arrow

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Motor Root of Trigeminal nerve CN V

31

pink arrow cranial nerve

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trochlear nerve CN IV

32

which cranial nerve innervates muscles that are involved in mastication?

mandibular nerve CN V3

33

Which cranial nerves are located in the midbrain?

CN III, CN IV (oculomotor, trochlear)

34

Blue arrow cranial nerve 

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optic nerve CN II

35

Blue arrow structure:

What nerve exits here?

Q image thumb

optic canal

optic nerve CN II

36

What is Stern's third law?

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

37

which cranial nerves are located on the olive?

glossopharyngeal CN IX, vagus nerve CN X

38

Glossopharyngeal nerve CN IX carries somatic sensory from what region

posterior third of the tongue, pharynx, middle ear

39

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

Abducent nerve CN VI

40

which nerve innervates most of the muscles of the toungue?

hypoglossal nerve CN XII

41

What is Stern's second law?

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

42

Red Arrow structure:

What nerve exits here?

Q image thumb

Superior orbital fissure

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

43

Red Arrow

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Abducent nerve CN VI

44

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

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

which nerve innervates tensor muscles?

mandibular nerve CN V3

46

Green Arrow

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Sensory root of Trigeminal nerve CN V

47

pink arrow cranial nerve

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vagus nerve CN X

48

Yellow Arrow

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Vestibulocochlear nerve CN VIII

49

which root of trigeminal is larger?

sensory root

50

Green arrow cranial nerve

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olfactory nerve CN I 

51

the hypoglosasl canal is located just lateral to which structure

foramen magnum 

52

Red Arrow cranial nerve

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glossopharyngeal CN IX

53

The facial nerve CN VII carries somatic sensory from:

 little region of external ear

54

What is Stern's first law

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

55

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

superior orbital fissure 

56

Blue Arrow

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CN II Optic nerve

57

light blue arrow cranial nerve

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hypoglossal nerve CN XII

58

Which cranial nerves are located in the forebrain?

CN I and CN II (olfactory and optic)

59

which cranial nerves pass through the cavernous sinus?

CN III, CN IV, CN V, CN VI

60

Pink Arrow

Q image thumb

Facial Nerve CN VII

61

Which cranial nerve is the largest

Trigeminal CN V

62

What does the glossopharyngeal CN IX nerve innervate?

stylopharyngeus muscle (in the pharynx) 

63

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

oculomotor nerve CN III

64

Green arrow structure

What nerve exits here?

Q image thumb

Internal acoustic meatus

Facial nerve CN VII, vestibulocochlear nerve CN VIII

65

What are the four parasympathetic ganglia in the head

ciliary ganglion

pterygopalatine ganglion

otic ganglion

submadibular ganglion

66

Red arrow

Q image thumb

spinal accessory nerve CN XI

67

What does the spinal accessory nerve CN XI innervate?

sternocleidomastoid 

trapezius 

68

which nerve innervates muscles of the larynx

vagus CN X

69

cranial nerves traveling to the orbit must travel through:

optic canal or superior orbital fissure