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Anatomy & Physiology for Speech & Hearing Mechanisms > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

Cranial Nerve I

A

olfactory (oh) (some)

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2
Q

Cranial Nerve II

A

optic (once) (say)

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3
Q

Cranial Nerve III

A

oculomotor (one) (marry)

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4
Q

Cranial Nerve IV

A

trochlear (takes) (money)

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5
Q

Cranial Nerve V

A

trigeminal (the) (but)

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6
Q

Cranial Nerve VI

A

abducens (anatomy) (my)

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7
Q

Cranial Nerve VII

A

facial (final) (brother)

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8
Q

Cranial Nerve VIII

A

vestibulocochlear (very) (says)

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9
Q

Cranial Nerve IX

A

glossopharyngeal (good) (big)

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10
Q

Cranial Nerve X

A

vagus (vacations) (brains)

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11
Q

Cranial Nerve XI

A

accessory (are) (matter)

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12
Q

Cranial Nerve XII

A

hypoglossal (heavenly) (most)

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13
Q

Every nerve exits from the brainstem except for which nerve?

A

CN I: olfactory

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14
Q

Where are the sensors of the CN I olfactory nerve?

A

epithelium of nasal cavity

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15
Q

Where are the olfactory bulbs located?

A

base of the brain

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16
Q

What is the term for damage of the olfactory nerve (loss of taste & smell)?

A

anosmia

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17
Q

CN I olfactory nerve classifier

A

special visceral afferent (SVA)

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18
Q

CN II optic nerve location

A

midbrain

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19
Q

CN I olfactory nerve location

A

olfactory bulb

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20
Q

CN II optic nerve functions

A

vision, sensory

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21
Q

CN II optic nerve classifier

A

special somatic afferent (SSA)

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22
Q

CN III oculomotor nerve location

A

midbrain

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23
Q

CN III oculomotor nerve classifier

A

general somatic efferent (GSE)

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24
Q

CN III oculomotor nerve function (GSE)

A

eye motion

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25
Q

CN III oculomotor nerve function (GVE)

A

reflexes (light adaptation and focus)

26
Q

Damage of CN III oculomotor results in what condition?

A

inappropriate eye motion

27
Q

CN IV trochlear nerve location

A

midbrain

28
Q

CN IV trochlear nerve classifier

A

general somatic efferent (GSE)

29
Q

CN IV trochlear nerve function

A

turns ipsilateral eye down and out

30
Q

CN V trigeminal nerve location

A

pons

31
Q

CN V trigeminal nerve classifier

A

general somatic afferent (GSA) & special visceral efferent (GVE) — both sensory and motor

32
Q

CN V trigeminal nerve branches (3)

A

opthalmic, maxillary, mandibular

33
Q

CN V trigeminal nerve — opthalmic branch

A

upper face, nose, eye, mandible

34
Q

CN V trigeminal nerve — mandibular branch

A

mandible (main muscle of mastication)

34
Q

damage to CN V trigeminal

A

motor: weakness on affected side (slack jaw, velopharyngeal port insufficiency); sensory: loss of feeling in all affected areas (anterior tongue, mandible, chew muscles)

35
Q

CN VI abducens nerve location

A

pond

36
Q

CN VI abducens function

A

innervates lateral rectus ocular muscle (side-to-side looking)

37
Q

CN VII facial nerve location

A

pons

38
Q

CN VII facial nerve SVE functions

A

upper face (bilateral innervation)

39
Q

CN VII facial nerve GVE function

A

lacrimal (tears) and salivary glands

40
Q

CN VII facial nerve SVA function

A

gustation

41
Q

damage to CN VII facial nerve

A

articulatory function, drooping or immobility of face parts

42
Q

which condition is linked to damage of the CN VII facial nerve!

A

Bell’s palsy

43
Q

CN VIII vestibular nerve location

A

pons

44
Q

CN VIII vestibulocochlear nerve function

A

acoustic branch: auditory info; vestibular branch: position & acceleration

45
Q

damage to VIII vestibulocochlear nerve

A

acoustic branch: ipsilateral hearing loss; vestibular branch: balance disorders… causes: tumors (Schwann cell neuroma), trauma

46
Q

CN IX glossopharyngeal nerve location

A

medulla

47
Q

CN IX glossopharyngeal nerve functions

A

afferent: taste from posterior 1/3 of tongue; baroreceptors (pressure at carotid artery); touch, pain, temperature
efferent: salivation, motor control of stylopharyngeus, sup. constrictor, pharyngeal mm.

48
Q

CN X vagus nerve location

A

medulla

49
Q

CN X vagus nerve branches

A

auricular (sensory for pain from ear)

recurrent laryngeal (sensory for laryngeal mucosa, motor for intrinsic laryngeal muscles—except cricothyroid, and inferior pharyngeal constrictor)

50
Q

damage to CN X vagus, pharyngeal branch

A

dysphagia, hypernasality, nasal regurgitation

51
Q

damage to CN X vagus nerve, superior laryngeal branch

A

cricothyroid muscle paralysis (loss of fundamental frequency control)

52
Q

damage to CN X vagus nerve, recurrent laryngeal branch

A

paralysis of vocal folds

53
Q

CN XI accessory nerve location

A

medulla

54
Q

CN XI accessory nerve cranial component (efferent)

A

sternocleidomastoid and trapezius; with X vagus, intrinsic muscle of larynx and pharynx

55
Q

spinal component (afferent)

A

SCM and trapezius

56
Q

CN XII Hypoglossal nerve location

A

Medulla

57
Q

CN XII Hypoglossal nerve function

A

Innervation of the tongue: all intrinsic muscles, all extrinsic muscles except palatoglossus

58
Q

damage to CN XII Hypoglossal nerve

A

Serious effects on articulation and speech; All intrinsic 10 muscles, nearly all extrinsic muscles

59
Q

Nonspeech cranial nerves

A 
I olfactory
II optic
III oculomotor
IV trochlear
VI abducens
60
Q

speech/hearing structures

A 
V trigeminal
VII facial
VIII vestibulocochlear 
IX glossopharyngeal 
X vagus
XI accessory
XII hypoglossal

Anatomy & Physiology for Speech & Hearing Mechanisms (1 decks)

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