Cranial Nerve Exam Flashcards
1
Q
What are the four aspects of assessing CN II?
A
- Acuity
- Fields
- Reflexes
- Optic disc
2
Q
How do you assess visual auity?
A
- Snellen chart
- Near vision: magazine
- Colour vision: ishihara plates
3
Q
What are you looking for when inspecting CN III, IV, VI?
A
- Strabismus
- Ptosis
4
Q
What are the 3 aspects of CN III, IV, and VI investigation?
A
- Inspect
- H test
- Saccades test
5
Q
How do you test motor function of CN V?
A
- Ask patient to clench jaw
- Feel temporalis and masseter muscles
- Ask them to open jaw against resistance
6
Q
What are the two extra tests you can do for CN V?
A
- Corneal reflex
- Jaw jerk
7
Q
How do you test CN VII?
A
- Raise eyebrows
- Scrunch up eyes + pry open
- Purse lips and pry open
- Show teeth
- Puff out cheeks
8
Q
What are the 3 tests for CN VIII?
A
- Crude hearing test
- Webers test
- Rinnes test
(Also vertigo tests e.g. Dix Hallpike, walking on the spot)
9
Q
How do you inspect CN IX and X?
A
Inspect: open mouth and say Ah, inspect palate symmetry and uvula deviation
- Motor: assess speech, cough swallow
10
Q
What are you looking for in CN XII?
A
- Wasting and fasciculations
- Tongue deviation
11
Q
How do you assess tongue power?
A
Resisting tongue pressed in cheek
