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Anatomy > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

cranial nerve I

A

olfactory

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2
Q

cranial nerve II

A

optic

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3
Q

cranial nerve III

A

oculomotor

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4
Q

cranial nerve IV

A

trochlear

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5
Q

cranial nerve V

A

trigeminal

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6
Q

cranial nerve VI

A

abducens

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7
Q

cranial nerve VII

A

facial

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8
Q

cranial nerve VIII

A

vestibulocochlear

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9
Q

cranial nerve IX

A

glossopharyngeal

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10
Q

cranial nerve X

A

vagus

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11
Q

cranial nerve XI

A

spinal accessory

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12
Q

cranial nerve XII

A

hypoglossal

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13
Q

what is the olfactory nerve (I) associated with?

A

the cerebrum

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14
Q

what does the olfactory nerve pass through?

A

cribriform plate in ethmoid bone

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15
Q

what job does the olfactory nerve have?

A

special sensory (smell)

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16
Q

what is the optic nerve associated with?

A

diencephalon

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17
Q

what is the origin of the optic nerve?

A

retina of the eye

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18
Q

what is the function of the optic nerve

A

special sensory (vision)

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19
Q

what is the unity of the two optic nerves called?

A

the optic chiasm

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20
Q

what do the optic nerves move through?

A

the thalamus via optic tracts and then pass to the visual cortex in the occipital lobe of the cerebrum

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21
Q

what is the function of the oculomotor nerve?

A

motor (eye)

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22
Q

what is the oculomotor nerve associated with?

A

the midbrain (mesencephalon)

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23
Q

what does the oculomotor nerve pass through?

A

the superior orbital fissure of the sphenoid

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24
Q

somatic motor functions of the oculomotor nerve?

A

eye movement: superior/inferior/medial recti muscles, inferior oblique muscle

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25
Q

parasympathetic motor functions of the oculomotor nerve

A

intrinsic eye muscles (adjust lens and constrict pupil)

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26
Q

what is the function of the trochlear nerve?

A

motor (eye)

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27
Q

what does the trochlear nerve pass through?

A

the superior orbital fissure of the sphenoid bone

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28
Q

the trochlear nerve is associated with the…

A

midbrain (mesencephalon)

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29
Q

trochlear nerve is the _____ nerve and the only nerve that exits _____

A

smallest, posteriorly

30
Q

somatic motor functions of the trochlear nerve

A

eye movement: superior oblique muscle

31
Q

trigeminal nerve function is

A

mixed (both sensory and motor)

32
Q

trigeminal nerve passes through the

A

sphenoid

33
Q

the different branches of the trigeminal nerve are

A

opthalamic (V1), maxillary (V2), mandibular (V3)

34
Q

sensory functions of the opthalamic branch of the trigeminal nerve

A

skin of the forehead, upper eyelid, eyebrow

35
Q

sensory functions of the maxillary branch of the trigeminal nerve

A

lower eyelid, upper lips, gums and teeth, cheek and nose

36
Q

sensory functions of the mandibular branch of the trigeminal nerve

A

lower gums, teeth, and lips, chin

37
Q

general sensory function of the trigeminal nerve

A

carries sensations from the skin and mucosa of most of the head and face; touch, pain, and thermal sensations from the scalp, face, and oral cavity (including the teeth and anterior 2/3 of the tongue)

38
Q

mandibular branch of trigeminal nerve motor functions

A

chewing and control of the middle ear muscle, innervate most muscles of mastication

39
Q

trigeminal nerve is associated with the….

A

pons

40
Q

abducens nerve is associated with the ….

A

pons

41
Q

the abducens nerve passes through the…

A

superior orbital fissure of the sphenoid

42
Q

the abducens ends at the

A

lateral rectus muscles

43
Q

function of abducens nerve

A

motor (eye), ABducens, ABduct

44
Q

facial nerve function

A

mixed (sensory and motor)

45
Q

sensory function of the facial nerve

A

taste from anterior 2/3 of tongue, touch, pain, and thermal sensations from sin in external ear canal

46
Q

motor function of facial nerve (brachial)

A

control of muscles of facial expression and middle ear muscle

47
Q

motor function of facial nerve (autonomic)

A

secretion of tears and saliva

48
Q

facial nerve parasympathetic NS

A

submandibular and sublingual salivary glands, lacrimal glands, nasal mucus glands

49
Q

vestibulocochlear nerve function

A

special sensory (hearning and balane)

50
Q

vestibulocochlear nerve passes through the

A

internal acoustic meatus of the temporal bone

51
Q

branches of vestibulocochlear

A

vestibular and cochlear

52
Q

vestibulocochlear nerve is associated with the

A

medulla oblongata

53
Q

glossopharyngeal nerve function

A

mixed (sensory and motor)

54
Q

glossopharyngeal nerve passes through

A

the jugular foramen

55
Q

sensory functions of the glossopharyngeal nerve

A

taste from the posterior 1/3 tongue, proprioception in some swallowing muscles, monitoring of blood pressure and oxygen and CO2 levels in blood, touch pain, and thermal sensations from skin of the external ear and upper pharynx

56
Q

motor functions of the glossopharyngeal nerve (brachial)

A

assists in swallowing

57
Q

motor functions of the glossopharyngeal nerve (autonomic)

A

secretion of saliva-parotid salivary gland

58
Q

function of the vagus nerve

A

mixed (sensory and motor)

59
Q

sensory function of the vagus nerve

A

taste from epiglottis, proprioception from throat and voice box muscles, monitoring of blood pressure and oxygen/CO2 levels in blood, touch, pain, and thermal sensations from skin of external ear, sensations from thoracic and abdominal organs

60
Q

motor function of vagus nerve (brachial)

A

swallowing, vocalization, and coughing

61
Q

motor function of vagus nerve (autonomic)

A

motility and secretion of GI organs, constriction of respiratory passageways, decrease in heart rate

62
Q

vagus nerve passes through the

A

jugular foramen

63
Q

vagus nerve is associated with the

A

medulla oblongata

64
Q

spinal accessory nerve passes through the

A

jugular foramen

65
Q

function of the spinal accessory nerve

A

motor

66
Q

motor function of the spinal accessory nerve

A

movement of the head and pectoral girdle

67
Q

spinal accessory nerve is associated with the

A

medulla oblongata

68
Q

function of the hypoglossal nerve

A

motor (tongue movements)

69
Q

motor function of hypoglossal nerve

A

somatic: speech, manipulation of food and swallowing

70
Q

hypoglossal nerve passes through the

A

hypoglossal canal of the occipital bone

71
Q

hypoglossal nerve is associated with the

A

medulla oblongata

Anatomy (26 decks)

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