Cranial Nerves

Question 2

1. Olfactory

Answer 2

Smell (S)

Question 3

2. Optic

Answer 3

Vision (S)

Sensory for Pupillary, Consensual, & Accommodation reflexes

*Visual Fields, Visual Acuity

Question 4

3. Oculomotor

Answer 4

Eye ADD/Up/Down (M)

Motor for Pupillary, Consensual, & Accommodation reflexes

*Box/”H” Test

Question 5

4. Trochlear

Answer 5

Eye Down & Out (M)

*Box/”H” Test

Question 6

5. Trigeminal

Answer 6

Chewing; Face sensations (B)

Sensory & Motor for Masseter reflex

Sensory for Corneal Blink reflex

*Jaw deviates & stays to affected side

Question 7

6. Abducens

Answer 7

ABD eye (M)

*Box/”H” Test

Question 8

7. Facial

Answer 8

Motor for Facial Expression (B)
Taste of anterior tongue

Motor for Corneal Blink reflex

*Smile .. (Bell’s Palsy)

Question 9

8. Vestibulocochlear

Answer 9

Hearing/Equilibrium (S)

*Rub fingers by ears; Vertigo, nausea, nystagmus

• Weber Test - Louder in affected ear = Conductive Deaf
  - Louder in unaffected ear = Nerve Deaf

Question 10

9. Glossopharyngeal

Answer 10

Swallow/Taste (B)

Sensory for Gag & Swallow reflex

*Gag Reflex

Question 11

10. Vagus

Answer 11

Swallow; Vocal sounds; Taste
Heart, Lungs, Bowel (B)

Motor for Gag & Swallow Reflex

*Uvula deviates to unaffected side, change in voice, drink through nose.

Question 12

11. Spinal Accessory

Answer 12

Trapezius and SCM (M)

*Shoulder shrug

Question 13

12. Hypoglossal

Answer 13

Tongue (M)

*Tongue deviates to affected side