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Neuroanatomy > Exam 3 Flashcards-Neuro > Flashcards

Exam 3 Flashcards-Neuro

1
Q

superior rectus

A

moves eyes up

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2
Q

inferior rectus

A

moves eyes down

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3
Q

medial rectus

A

moves eyes in

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4
Q

inferior oblique

A

extorsion/external rotation of eye

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5
Q

levator palpebrae superioris

A

lifts eyelid

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6
Q

pupillary sphincter

A

constricts pupil

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7
Q

ciliary muscle

A

changes shape of lens

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8
Q

superior oblique

A

intorsion/internal rotation of eye

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9
Q

trigeminal sensory

A

three regions
V1: ophthalmic
V2: maxillary
V3: mandibular

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10
Q

trigeminal motor

A

jaw muscles

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11
Q

lateral rectus

A

moves eye out

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12
Q

facial sensory

A

anterior tongue

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13
Q

facial motor

A

facial & eyelid muscles; stapedius muscle

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14
Q

glossalpharyngeal sensory

A

posterior tongue and throat

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15
Q

glossalpharyngeal motor

A

gag & swallowing reflexes

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16
Q

visceral branches

A

to throat, heart, lungs, & GI tract

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17
Q

skeletal muscle branches

A

muscles of swallowing and speaking

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18
Q

sternocleidomastoid

A

head mvmnt

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19
Q

upper trapezius

A

shoulder mvmt

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20
Q

hypoglossal

A

muscle of tongue

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21
Q

CN 3 test

A

eye movements
pupillary responses

22
Q

CN 4 test

A

test simultaneously with oculomotor nerve

23
Q

CN 5 test sensory

A

sensory testing of head region
corneal reflex testing

24
Q

CN 5 test motor

A

jaw strength/observation for asymmetries

25
Q

CN 6 test

A

test simultaneously with oculomotor nerve

26
Q

CN 7 test sensory

A

discriminating tastes
(sour, sweet, salty, bitter)

27
Q

CN 7 test motor

A

corneal blink reflex
smile, raise eyebrows, pucker

28
Q

CN 9 test sensory

A

discriminating tastes

29
Q

CN 9 test motor

A

gag reflex
swallow test

30
Q

CN 10 test

A

gag reflex & swallow test (CN 9)
check for hoarseness, volume, and clearness of speech

31
Q

CN 11 test

A

laterally flex head
rotate head
shrug shoulders

32
Q

CN 12 test

A

stick tongue out

33
Q

CN 3 possible lesion: Lateral strabismus

A

Eye deviates outward, causing double vision.

34
Q

CN 3 possible lesion: Eye movement difficulty:

A

Trouble moving the eye up and down, which may also cause double vision.

35
Q

CN 3 possible lesion: Ptosis:

A

Drooping of the eyelid

36
Q

CN 3 possible lesion: Mydriasis:

A

Pupil dilation

37
Q

CN 3 possible lesion: Near vision impairment:

A

Lens cannot focus on close tasks.

38
Q

CN 4 possible lesion: Strabismus (eye extorsion):

A

Eye deviates up and in due to a weakened superior oblique muscle

39
Q

CN 4 possible lesion: Strabismus (eye extorsion):

A

Functional impact: Causes difficulty with tasks like walking down steps or reading

Associated symptoms: Double vision (diplopia) and corrective head tilt

40
Q

CN 5 possible lesion: sensory

A

Loss of sensation on the ipsilateral side of the head, face, and inner mouth; possible trigeminal neuralgia (sudden, severe facial pain)

41
Q

CN 5 possible lesion: motor

A

Weakness in chewing and jaw deviation toward the affected side

42
Q

CN 6 possible lesion: Medial strabismus:

A

Eye deviates inward due to a weakened lateral rectus muscle, causing double vision

43
Q

CN 7 possible lesion: sensory:

A

Reduced taste on the front of the tongue

44
Q

CN 7 possible lesion: motor:

A

Facial asymmetry, possible Bell’s palsy, and loss of the corneal blink reflex

45
Q

CN 9 possbile lesion sensory:

A

Reduced taste on the back of the tongue

46
Q

CN 9 possbile lesion motor:

A

Loss of gag and swallow reflexes, and difficulty swallowing (dysphagia)

47
Q

CN 10 possible lesion visceral

A

Irregular heartbeat and breathing difficulties

48
Q

CN 10 possible lesion skeletal

A

-Hoarseness (dysphonia)
-slurred speech (dysarthria)
-difficulty swallowing (dysphagia)
-loss of gag reflex

49
Q

CN 11 possible lesion

A

Weakness in head lateral flexion, head rotation, and shoulder shrugging

50
Q

CN 12 possible lesion

A

-Atrophy and paralysis on the same side of the tongue
-causing it to deviate toward the weakened side
-along with slurred speech (dysarthria)
-difficulty swallowing (dysphagia).

Neuroanatomy (10 decks)

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