Cranial Nerve Functions

Question 1

Olfactory nerve type & function

Answer 1

Sensory
Smell (olfaction)

Question 2

Optic nerve type & function

Answer 2

Sensory
Vision (acuity and field)

Question 3

Oculomotor nerve type & fuction

Answer 3

Motor
Eye movements, elevation of eyelid, pupil size & reactivity to light

Question 4

Trochlear nerve type & function

Answer 4

Motor
Eye movement

Question 5

Trigeminal nerve type & function

Answer 5

Mixed
Chewing, face/mouth sensation

Question 6

Abducens nerve type & function

Answer 6

Motor
Eye movements (abduction)

Question 7

Facial nerve type & function

Answer 7

Mixed
Facial expression, eyelid & lip closure, taste

Question 8

Vestiblochoclear nerve type & function

Answer 8

Sensory
Hearing, balance/equilibrium

Question 9

Glossopharyngeal nerve type & function

Answer 9

Mixed
Gagging, swallowing, taste

Question 10

Vagus nerve type & function

Answer 10

Mixed
Gagging, swallowing, speech

Question 11

Accessory nerve type & function

Answer 11

Motor
Head/neck/shoulder movement

Question 12

Hypoglossal nerve type & function

Answer 12

Motor
Tongue movement, speech