Cranial Nerves

Question 1

CN I

Answer 1

Olfactory Nerve (Sensory)
Function: Smell
Test: Have the athlete smell something.

Question 2

CN II

Answer 2

Optic (Sensory)
Function: Visual Acuity/Visual Field
Test: Have the athlete identify finger/ check peripheral vision/ “read score board”.

Question 3

CN III

Answer 3

Oculomotor (Motor)
Function: Pupillary reaction
Test: Shine light in the eye and eye movement.

Question 4

CN IV

Answer 4

Trochlear (Motor)
Function: Eye Movement
Test: Follow finger without moving the head

Question 5

CN V

Answer 5

Trigeminal (Sensory and Motor)
Function: Facial sensation/ Motor Function
Test: Touch the face/ Have the athlete hold the mouth open.

Question 6

CN VI

Answer 6

Abducens (Motor)
Function: Eye movements
Test: Lateral eye movements

Question 7

CN VII

Answer 7

Facial (Sensory and Motor)
Function: Facial movements/ Taste
Test: Smile, wrinkle face, puff cheeks

Question 8

CN VIII

Answer 8

Acoustic/ Vestibulochoclear (Sensory)
Function: hearing and balance
Test: Rub fingers together by the ear/ Rhomberg’s Test

Question 9

CN IX

Answer 9

Glossopharengeal (Sensory and Motor)
Function Swallowing and Voice/Taste
Test: Swallow and say “AH”

Question 10

CN X

Answer 10

Vagus (Sensory and Motor)
Function: Controls the muscle for voice and resonance and the soft palate/ Taste.
Test: Say “AH”, Gag reflex using tongue depressor.

Question 11

CN XI

Answer 11

Spinal Acessory (Motor)
Function: Neck Motion
Test: Shoulder Shrugging

Question 12

CN XII

Answer 12

Hypoglossal (Motor)
Function: Tongue movement nd strength
Test: Stick out the tongue and apply resistance with a tongue depressor.