Cranial Nerves

Question 1

I

Answer 1

Olfactory
Sensory
Smell

To test: Smell familiar substances

Question 2

II

Answer 2

Optic
Sensory
Sight

To test: Read eye chart from distance

Question 3

III

Answer 3

Oculomotor
Motor
Pupillary reaction and eye movement

To test: Move eyes in H pattern and use a light to test pupil adjustment

Question 4

IV

Answer 4

Trochlear
Motor
Eye movement

To test: Eye movement in an H pattern

Question 5

V

Answer 5

Trigeminal (Ophthalmic, maxillary, mandibular)
Both
Facial sensation/muscles of mastication

To test: sensory: cotton swab to cheeks and lips. Motor: open jaw against resistance

Question 6

VI

Answer 6

Abducens
Motor
Lateral eye movement

Question 7

VII

Answer 7

Facial
Both
Facial expression and taste sensation (anterior 2/3 of tongue)

Question 8

VIII

Answer 8

Vestibulocochlear
Sensory
Hearing/balance

Question 9

IX

Answer 9

Glossopharyngeal
Both
Taste (posterior 1/3 tongue) swallowing and vocal cords

Question 10

X

Answer 10

Vagus
Both
Gag reflex (most of parasympathetic system)

Question 11

XI

Answer 11

Accessory
Motor
Neck Motion

Question 12

XII

Answer 12

Hypoglossal
Motor
Tongue movement