Cranial Nerves

Question 1

How do you test the function of CN I?

Answer 1

Do you recognize this scent?

Question 2

How do you test the function of CN XI?

Answer 2

Shrug your shoulders.

Question 3

How do you test the function of CN III?

Answer 3

Without moving your head, follow my finger with your eyes.

Question 4

How do you test the function of CN VII?

Answer 4

Puff out your cheeks.

Question 5

How do you test the function of CN XII?

Answer 5

Stick out your tongue.

Question 6

How do you test the function of CN IV?

Answer 6

Without moving your head, follow my finger with your eyes.

Question 7

How do you test the function of CN VI?

Answer 7

Without moving your head, follow my finger with your eyes.

Question 8

How do you test the function of CN II?

Answer 8

Evaluate visual acuity.

Question 9

How do you test the function of CN V?

Answer 9

Evaluate sensation of forehead, cheeks, and jaw.

Palpate masseter and temporal muscles while with the patient’s teeth clenched.

Question 10

How do you test the function of CN VIII?

Answer 10

Rinne and Weber test.

Question 11

How do you test the function of CN IX?

Answer 11

Assess speech for nasal quality, hoarseness, and articulation. Evaluate swallow.

Question 12

How do you test the function of CN X?

Answer 12

Test gag reflex with tongue blade.