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Functional Neuroanatomy > Chapter 12 > Flashcards

Chapter 12 Flashcards

1
Q

I

A

Olfactory

SpS: Smell

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2
Q

II

A

Optic

SpS: Sight

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3
Q

III

A

Oculomotor
SM: Eye, pupil, lens
Rostral midbrain

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4
Q

IV

A

Trochlear
SM: Eye
Caudal midbrain

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5
Q

V

A

Trigeminal
VM/BM: Face/Chewing
Medulla, pons, midbrain

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6
Q

VI

A

Abducens
SM: Eye
Middle pons

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7
Q

VII

A

Facial
VS/VM/BM: Taste/Face
Caudal pons

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8
Q

VIII

A

Vestibulocochlear
SpS: Hearing, equilibrium
Rostral medulla, pons

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9
Q

IX

A

Glossopharyngeal
VS/VM/BM: Taste/Swallowing
Rostral medulla

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10
Q

X

A

Vagus
VS/VM/BM: Thoracic, viscera/Speech, swallowing, “
Middle medulla

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11
Q

XI

A

Accessory
BM: Head, shoulder
Cervical spinal cord

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12
Q

XII

A

Hypoglossal
SM: Tongue
Hypoglossal N: Medulla

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13
Q

Somatic sensory

A

Fibers conveying information from receptive endings in somatic structures

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14
Q

Visceral sensory

A

Fibers conveying information from receptive endings in visceral structures

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15
Q

Special sensory

A

Fibers conveying information from receptive endings in the eyes or nose

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16
Q

Visceral motor

A

Preganglionic autonomic axon fibers

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17
Q

Branchial motor

A

Fibers innervating branchiomeric muscles

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18
Q

Somatic motor

A

Fibers containing motor neurons for skeletal muscles

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19
Q

CN I nucleus

A

olfactory bulb

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20
Q

CN II nucleus

A

LGN

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21
Q

CN III nucleus

A

Oculomotor nucleus

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22
Q

CN IV nucleus

A

Trochlear nucleus

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23
Q

CN V nucleus

A

Main sensory nucleus
Trigeminal motor nucleus
Spinal nucleus
Mesencephalic nucleus

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24
Q

CN VI nucleus

A

Abducens nucleus

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25
Q

CN VII nucleus

A

Facial motor nucleus

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26
Q

CN VIII nucleus

A

Cochlear nucleus

Vestibular nucleus

27
Q

CN X nucleus

A

Dorsal motor nucleus of vagus

28
Q

CN XI nucleus

A

Accessory nucleus

29
Q

CN XII nucleus

A

Hypoglossal nucleus

30
Q

Damage to CN III results in _____.

A

Lateral strabismus
Ptosis
Mydriasis

31
Q

Lateral strabismus

A

One eye is centered and the other is pulled laterally

Leads to diplopia

32
Q

Ptosis

A

Drooping of eyelids

33
Q

Mydriasis

A

Dilated pupils

34
Q

CN IV innervates the _____.

A

superior oblique

35
Q

The only CN located on the dorsal/posterior side of the brainstem is _____.

A

CN IV

36
Q

The only CN that is entirely contralateral is _____.

A

CN IV

37
Q

Damage to CN IV results in _____.

A

diplopia, usually mild

38
Q

CN VI innervates the _____.

A

lateral rectus

39
Q

The lateral rectus moves the eye _____.

A

laterally (abducts)

40
Q

Damage to CN VI results in _____.

A

Medial strabismus

41
Q

Medial strabismus

A

One eye is centered, the other pulls medially

42
Q

The facial nerve is adjacent to and runs with _____ in the _____.

A

CN VI

internal genu of the facial nerve

43
Q

Hypoglossal means _____.

A

under the tongue

44
Q

Damage to CN XII results in _____.

A

weakness to that side

45
Q

CN XII function is _____.

A

ipsilateral

46
Q

CN V branches

A

Opthalamic
Maxillary
Mandibular

47
Q

The opthalamic branch innervates the _____.

A

eyes

48
Q

The maxillary branch innervates the _____, _____, and _____.

A

nose
sinus
upper jaw

49
Q

The mandibular branch innervates the _____.

A

lower jaw

50
Q

The spinal nucleus conveys _____ and _____.

A

pain

temperature

51
Q

Trigeminal neuralgia

A

misfiring of pain neurons in the trigeminal nerve

52
Q

The mesencephalic nucleus relays _____, _____, and _____.

A

touch
proprioception
reflexes

53
Q

The motor nucleus of the trigeminal nerve controls _____.

A

mastication jaw reflex

54
Q

CN VII is responsible for the _____ reflex.

A

corneal blink

55
Q

CN IX innervates the _____ and _____.

A

tongue and throat

56
Q

Damage to CN IX results in _____.

A

glossopharyngeal neuralgia

57
Q

Glossopharyngeal neuralgia

A

Pain starts in posterior tongue and upper throat, radiates to ear

58
Q

CN XI innervates the _____ and _____.

A

neck

shoulder muscles

59
Q

Damage to the brainstem results in _____ deficits in the head.

A

ipsilateral

60
Q

Damage to the brainstem results in _____ deficits in the body.

A

contralateral

61
Q

Medial medullary syndrome

A

numbness or weakness on one side of the body

62
Q

CN X is responsible for the _____ reflex.

A

gag

63
Q

Damage to the cerebral peduncle results in _____.

A

Weber’s syndrome

64
Q

Lateral damage to the medulla results in _____.

A

Wallenberg’s syndrome

Functional Neuroanatomy (14 decks)

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