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NUNA 678 - Anatomy > Cranial Nerves & Skull Foramina > Flashcards

Cranial Nerves & Skull Foramina Flashcards

1
Q

Cranial nerve I

A

Olfactory nerve

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2
Q

Cranial nerve II

A

Optic nerve

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3
Q

Cranial nerve III

A

Oculomotor nerve

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4
Q

Cranial nerve IV

A

Trochlear nerve

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5
Q

Cranial nerve V

A

Trigeminal nerve

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6
Q

Cranial nerve V1

A

Trigeminal - Opthalamic nerve

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7
Q

Cranial nerve V2

A

Trigeminal - Maxillary nerve

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8
Q

Cranial nerve V3

A

Trigeminal - Mandibular nerve

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9
Q

Cranial nerve VI

A

Abducens nerve

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10
Q

Cranial nerve VII

A

Facial nerve

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11
Q

Cranial nerve VIII

A

Vestibulocochlear nerve

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12
Q

Cranial nerve IX

A

Glossopharyngeal nerve

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13
Q

Cranial nerve X

A

Vagus nerve

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14
Q

Cranial nerve XI

A

Spinal Accessory nerve

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15
Q

Cranial nerve XII

A

Hypoglossal nerve

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16
Q

What skull foramen does the CN I (Olfactory) exit?

A

Cribiform plate

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17
Q

What skull foramen does the CN II (Optic) exit?

A

Optic canal

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18
Q

What skull foramen does the CN III (Oculomotor) exit?

A

Superior orbital fissure

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19
Q

What skull foramen does the CN IV (Trochlear) exit?

A

Superior orbital fissure

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20
Q

What skull foramen does the CN V1 (Trigeminal - Opthalamic) exit?

A

Superior orbital fissure

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21
Q

What skull foramen does the CN V2 (Trigeminal - Maxillary) exit?

A

Foramen rotundum

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22
Q

What skull foramen does the CN V3 (Trigeminal - Mandibular) exit?

A

Foramen ovale

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23
Q

What skull foramen does the CN VI (Abducens) exit?

A

Superior orbital fissure

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24
Q

What skull foramen does the CN VII (Facial) exit?

A

Internal acoustic meatus

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25
Q

What skull foramen does the CN VIII (Vestibulocochlear) exit?

A

Internal acoustic meatus

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26
Q

What skull foramen does the CN IX (Glossopharyngeal) exit?

A

Jugular foramen

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27
Q

What skull foramen does the CN X (Vagus) exit?

A

Jugular foramen

28
Q

What skull foramen does the CN XI (Spinal Accessory) exit?

A

Jugular foramen

29
Q

What skull foramen does the CN XII (Hypoglossal) exit?

A

Hypoglossal canal

30
Q

CN I general function?

A

Sensory

31
Q

CN II general function?

A

Sensory

32
Q

CN III general function?

A

Motor

33
Q

CN IV general function?

A

Motor

34
Q

CN V general function?

A

Both

35
Q

CN VI general function?

A

Motor

36
Q

CN VII general function?

A

Both

37
Q

CN VIII general function?

A

Sensory

38
Q

CN IX general function?

A

Both

39
Q

CN X general function?

A

Both

40
Q

CN XI general function?

A

Motor

41
Q

CN XII general function?

A

Motor

42
Q

Specific function of CN I

A

Smell

43
Q

Specific function of CN II

A

Vision

44
Q

Specific function of CN III

A

Motor function of 4 intrinsic eye muscles - superior rectus, inferior rectus, medial rectus, inferior oblique

Motor of lens and iris

45
Q

Specific function of CN IV

A

Motor function of 1 intrinsic eye muscle - Superior oblique

46
Q

Specific function of CN V1

A

Sensation to anterior scalp, forehead, upper eyelids

47
Q

Specific function of CN V2

A

Sensation to upper teeth, gums, lips; palate; skin of upper jaw

48
Q

Specific function of CN V3

A

Sensation to lower teeth, gums, lips; superior scalp, mandibular skin

Motor function to muscles of mastication - temporalis, masseter, pterygoids, sublingual muscles

49
Q

Specific function of CN VI

A

Motor function to 1 intrinsic eye muscle - lateral rectus

50
Q

Specific function of CN VII

A

Sensation of taste from anterior 2/3 of tongue

Motor function to muscles of facial expression - frontalis; occipitalis; zygomaticus major and minor; orbicularis oculi and oris; buccinator; platysma

51
Q

Specific function of CN VIII

A

Hearing from cochlea

Balance from semicircular canals and vestibule

52
Q

Specific function of CN IX

A

Taste from posterior 1/3 of tongue; sensation from oropharyngeal area

Motor function to muscles of pharynx

53
Q

Specific function of CN X

A

Sensation from pharynx/larynx/esophagus

Motor function to muscles of speech and swallowing

90% of parasympathetic preganglionic nerves

54
Q

Specific function of CN XI

A

Motor function to sternocleidomastoid and trapezius

55
Q

Specific function of CN XII

A

Motor function to muscles of tongue

56
Q

What passes through the cribiform plate?

A

CN I

57
Q

What passes through the optic canal?

A

CN II

58
Q

What passes through the superior orbital fissure?

A

CN III, IV, V1, and VI

59
Q

What passes through the foramen rotundum?

A

CN V2

60
Q

What passes through the foramen ovale?

A

CN V3

61
Q

What passes through the internal acoustic meatus?

A

CN VII and VIII

62
Q

What passes through the foramen spinosum?

A

Middle meningeal artery

63
Q

What passes through the foramen lacerum?

A

Internal carotid artery

64
Q

What passes through the carotid canal?

A

Internal carotid artery

65
Q

What passes through the jugular foramen?

A

CN IX, X, XI and internal jugular vein

66
Q

What passes through the hypoglossal canal?

A

CN XII

67
Q

What passes through the foramen magnum?

A

Medulla, spinal cord, vertebral arteries, and the spinal roots of CN XI

NUNA 678 - Anatomy (1 decks)

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