Cranial Nerves

Question 1

CN 1 Olfactory

Answer 1

Smell (sensory)

Question 2

CN 2 - optic

Answer 2

Vision (sensory)

Question 3

CN 3 - oculomotor

Answer 3

Eye movement, pupil constriction, muscle of the upper eyelid (motor)

Question 4

CN 4 - trochlear

Answer 4

Rotates the eye downward (motor)

Question 5

CN 5 - trigeminal

Answer 5

Somatic sensation from face, mouth, cornea. Muscles of chewing (sensory and motor)

Question 6

CN 6 abducens

Answer 6

Abduction/lateral movements of the eye (motor)

Question 7

CN 8 - vestibulocochlear, auditory

Answer 7

Hearing and balance - sensory

Question 8

CN 9 - glossopharyngeal

Answer 8

Sensation from posterior tongue and pharynx, carotid baroreceptors and chemoreceptors and salivary gland (sensory and motor)

Question 9

CN 10 - vagus

Answer 9

Autonomic functions of gut, cardiac inhibition, sensation from larynx and pharynx, vocal chord muscles, swallowing (sensory and motor)

Question 10

CN 11 spinalaccessory

Answer 10

Neck and shoulder muscles (motor)

Question 11

CN 12 - hypoglossal

Answer 11

Movements of tongue (motor)