Cranial Nerve Axon Functions

Question 1

CN I, olfactory

Answer 1

Sensory (smell)

Question 2

CN II, optic

Answer 2

Sensory (vision)

Question 3

CN III, oculomotor

Answer 3

Motor & parasympathetic

Question 4

CN IV, trochlear

Answer 4

Motor

Question 5

CN V, trigeminal

Answer 5

Sensory & bronchial motor

Question 6

CN VI, abducens

Answer 6

Motor

Question 7

CN VII, facial

Answer 7

Sensory, bronchial motor, taste & parasympathetic

Question 8

CN VIII, vestibulocochlear

Answer 8

Sensory (hearing/equilibrium)

Question 9

CN IX, glossopharyngeal

Answer 9

Sensory, sensory visceral, taste, branchial motor & parasympathetic

Question 10

CN X, vagus

Answer 10

Sensory, sensory visceral, taste, branchial motor & parasympathetic

Question 11

CN XI, accessory

Answer 11

Motor

Question 12

CN XII, hypoglossal

Answer 12

Motor