neurological nerves

Question 1

Name the nerves

Answer 1

I olfactory

II optic

III oculomotor

IV trochlear

V trigeminal

VI abducens

VII facial

VIII vestibulocochlear

IX glossopharyngeal

X vagus

XI accessory

XII hypoglossal

Question 2

Nerves function in numeric order

Answer 2

I sensory

!! sensory

III motor

IV motor

V both ( sensory/motor)

VI motor

VII both ( sensory/motor)

VIII sensory

IX both ( sensory/ motor)

X both (sensory/ motor)

XI motor

XII motor

Question 3

Olfactory -what nerve number and test

Answer 3

one and “has your smell changed”

Question 4

Optic what nerve number and test

Answer 4

two,
each eye
-visual acuity (snellen test)
-pupillary light reflex (direct, consensual, accommodating)
-assess visual fields (check the 3 quadrants of vision with Bunnies, one double bunny and then cover one eye at a time for peripheral vision)

Question 5

Oculomotor
Trochlear
Abducens

what nerve numbers and test

Answer 5

three, four, and six

H sight test-checking for nystagmus, diplopia or blurred vision)

Question 6

trigeminal what nerve number and test

Answer 6

five

test facial sensation (forehead, cheeks, and mandible)

clench jaw and assess muscle bulk and tone on temporal region and masseter region

Question 7

facial what nerve number and test

Answer 7

seven

• ask “any changes too taste”
• raise eyebrows (can’t do this if bell’s palsy
• puff out cheeks, and attempt to deflate them by poking
• assess for smile ability “big smile expose your teeth”

Question 8

vestibulocochlear what nerve number and test

Answer 8

eight

stand behind patient, distract one ear (rubbing fingers), then lean approx 1m away and whisper number into other ear, have patient repeat number, test both ears

Question 9

glossopharyngeal

vagus

what nerve number and test

Answer 9

nine, ten

has anything changed in your swallowing or voice

assess uvula, have patient open mouth, assess uvula is midline and symmetrical, have patient stick out tongue and say ah, ensuring uvula rises symmetrical and stays midline (if deviation, will move in direction opposite lesion)

Question 10

accessory what nerve number and test

Answer 10

eleven

inspect trapezius muscles, have patient shrug once, then shrug again and stop you from putting shoulders down (assess strength)

assess sternocleidomastoid muscle, have patient turn head then push back on hand (test strength)

Question 11

hypoglossal what nerve number and test

Answer 11

twelve

open mouth and stick out tongue, assess symmetry and for one sided weakness/ ability to do so.

have patient push tongue into check and push back on tongue, assessing strength

Question 12

neuro global impression and post cranial nerve test

Answer 12

look for

• scars
• cachexia
• fasciculations
• tremors
• drooping
• speech abnormalities
• rashes
• pain (neck)

post exam, perform upper and lower neuro test