CN tests

Question 1

CN 1: Olfactory

Answer 1

Sensory: have pt close eyes and cover one nostal. Can they identify the scent?

Question 2

CN 2: optic

Answer 2

Sensory for vision
- visual acucity: snellens chart
- Visual field: periphery and numbers
- pupilary light reflex

Question 3

CN 3: oculomotor

Answer 3

motor for eye movement
- smooth pursuit
- Saccrads
- pupilary light reflex

Question 4

CN 5: trigeminal nerve

Answer 4

Sensory to face and motor to muscle of mastication
- opthalamic, maxillary, and mandibular branches
- Palpate massitor muscle
- Jaw open don’t let me close and jaw reflex

Question 5

CN 7: facial nerve

Answer 5

sensory to anterior 2/3 of tongue for taste and motor to muscles of the face.
- eyebrows
- eyes
- smile
- air in cheeks
- pa pa pa

Question 6

CN 8: vestibulochlochear

Answer 6

sensory for hearing and head postion
- vestibular branch: move head side to side “do you feel dizzy?”
- Cochlear branch: rib fingers can you hear it, Rines and Webbers

Question 7

CN 11: Accessory

Answer 7

Motor to SCM and Traps
- move the head to the side (opposide side turned is SCM that is working)
Bring shoulders to ears