Cranial Nerves Flashcards

1
Q

Parosmia is

A

distorted sense of smell

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2
Q

Direct light reflex tests CN

A

2,3

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3
Q

Indirect light reflex aka

A

consensual CN 2,3

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4
Q

Strabismus is

A

deviation of one or both eyes

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5
Q

Ptosis is

A

eyelid droops due to weakness or paralysis of elevator palpebrae

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6
Q

Six Cardinal fields of gaze tests CN

A

3,4,6 LR6SO4/3

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7
Q

Trochlear nerve innervates what muscle

A

Superior Oblique

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8
Q

What way does the Superior Oblique move the eye

A

Down and In

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9
Q

Corneal reflex tests

A

CN5 Afferent

CN7 Efferent

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10
Q

Jaw jerk reflex tests what CN

A

CN5

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11
Q

Oculocardiac reflex tests

A

CN5 Afferent

CN10 Efferent

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12
Q

General sensation to the anterior 2/3 of the tongue is from

A

Trigeminal nerve CN5

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13
Q

Abducens innervates

A

Lateral rectus muscle

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14
Q

Taste on the anterior 2/3 of tongue is from

A

CN7 Facial nerve

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15
Q

Bells palsy is always

A

UNILATERAL

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16
Q

how to tell if stroke or Bells palsy on forehead

A

FOREHEAD WRINKLES DURING STROKE

17
Q

During stroke which eye losing motor control

A

contralateral eye

18
Q

Gag reflex tests what CN

A

CN9 Afferent

CN10 Efferent

19
Q

Carotid reflex tests what CN

A

CN9 Afferent

CN10 Efferent

20
Q

Taste of the posterior 1/3 of the tongue is done by

A

glossopharyngeal, CN9

21
Q

If there is a lesion of the Vagus nerve the uvula and palate deviate to which side

A

opposite side of the lesion when patient says “AHHHH”

22
Q

Lesion of CN12 presents as

A

deviation to the side of the lesion by the tongue

23
Q

Westphal’s sign is

A

absence of any DTR, especially patellar (LMNL)

24
Q

What is the Wexlar scale

A

used for grading deep tendon reflexes

25
Q

Bicep nerve innervation and nerve root

A

musculocutaneous, C5

26
Q

Brachioradialis nerve innervation and nerve root

A

Radial C6

27
Q

Triceps nerve innervation and nerve root

A

Radial, C7

28
Q

Patellar nerve innervation and nerve root

A

femoral, L4

29
Q

Medial Hamstring nerve innervation and nerve root

A

Sciatic, L5

30
Q

Achilles nerve innervation and nerve root

A

tibial, S1

31
Q

Ciliospinal reflexes is via

A

sensory from neck,

Cervical sympathetics

32
Q

Study page 4!!!!!

A

NEED TO KNOW UMNL vs. LMNL

33
Q

Presence of a Pathological reflex indicates a

A

UMNL

34
Q

Chaddock reflex is performed

A

stroke lateral malleolus to fifth toe

35
Q

Gordons is performed by

A

squeeze the calf below the knee

36
Q

Schaefer is performed by

A

squeeze the Achilles tendon

37
Q

Rossolimo is performed by

A

tapping the ball of the foot-plantar flexion of great toe with curling of other toes