cranial nerves

Question 1

olfactory

Answer 1

purely sensory, sense of smell

Question 2

optic

Answer 2

purely sensory, vision

Question 3

oculomotor

Answer 3

provides motor fibers for 4 of the 6 muscles of the eye

Question 4

trochlear

Answer 4

supports superior oblique of the eye

Question 5

trigeminal

Answer 5

sense and motor, sensory impulses from skin of face, nose and mouth, motor fibers for chewing

Question 6

abducens

Answer 6

motor, lateral rectuse muscle of eye

Question 7

facial

Answer 7

sense and motor, sensory impulses from taste buds of anterior tongue, activates facial expressions, tears, and salivation

Question 8

vestibulocochlear

Answer 8

sensory, vestibular carries impulses for balance, cochlear for hearing

Question 9

glossopharyngeal

Answer 9

sense and motor, sensory impulses from taste buds of posterior tongue and carotid artery, motor fibers to pharynx to promote swallowing and salivation

Question 10

vagus

Answer 10

sense and motor, sensory impulses and motor fibers for pharynx, larynx, abdominal and thoracic viscera, parasympathetic (digestive and heart)

Question 11

accessory

Answer 11

motor, activate sternocleidomastoid and trapezius

Question 12

hypoglossal

Answer 12

motor, control tongue movements