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Finals > Cranial Nerves > Flashcards

Cranial Nerves Flashcards

1
Q

CN I

A

Olfactory

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2
Q

CN II

A

Optic

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3
Q

CN III

A

Occulomotor

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4
Q

CN IV

A

Trochlear

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5
Q

CN V

A

Trigeminal

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6
Q

CN VI

A

Abducens

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7
Q

CN VII

A

Facial

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8
Q

CN VIII

A

Vestibulocochlear

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9
Q

CN IX

A

Glossopharyngeal

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10
Q

CN X

A

Vagus

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11
Q

CN XI

A

Spinal accessory

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12
Q

CN XII

A

Hypoglossal

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13
Q

How do you test cranial nerve II (optic)

A 
Light reflex
Accommodation reflex
Visual acuity
Fundoscopy
Ichihara plates
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14
Q

Which muscles does cranial nerve III (occulomotor) innervate

A

Medial, superior and inferior rectus
Inferior oblique
Levator palpebrae superioris
Constrictor pupillae

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15
Q

Which muscle does cranial nerve IV (trochlear) innervate

A

Superior oblique

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16
Q

Which muscle does cranial nerve VI (abducens) innervate

A

Lateral rectus

17
Q

How do you test cranial nerve V (trigeminal)

A

Sensation - ophthalmic, maxillary, mandibular
Muscles of mastication
Ask about sensitivity to sounds

18
Q

How do you test cranial nerve VII (facial)

A

Facial expression - raise eyebrows, frown, shut eyes, puff cheeks, purse lips, teeth smile
Ask about sensitivity to sounds
Ask about dry eyes and dry mouth
Ask about reduced taste

19
Q

How do you test cranial nerve VIII (vestibulocochlear)

A 
Whisper test
Webers 
Rinnes
Rombergs
Gait
20
Q

How do you test cranial nerve X (vagus)

A

Uvula movement
Assess whether air escapes the nose when blowing their cheeks out
Swallow water

21
Q

How do you test cranial nerve IX (glossopharyngeal)

A

Ask about dry mouth

Ask about tast

22
Q

Which nerve supplies taste to the posterior 1/3 of the tongue

A

Glossopharyngeal (CN IX)

23
Q

Which nerve supplies taste to the anterior 2/3 of the tongue

A

Facial (CN VII)

24
Q

How do you test cranial nerve XI (spinal accessory)

A

Turn head against resistance

Shrug shoulders against resistance

25
Q

How do you test cranial nerve CN XII (hypoglossal)

A

Look at the tongue
Movements
Against cheek
Say yellow lorry

26
Q

Damage to cranial nerve VI causes ?

A

Estropia at rest

27
Q

Damage to cranial nerve IV causes ?

A

Can’t look down when looking nasally

28
Q

Damage to cranial nerve III causes ?

A

Down + out eye
Ptosis
Mydriasis (pupil dilation)

Finals (32 decks)

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