Good Cranial Nerves

Question 1

I Olfactory

Sensory

Answer 1

Sense of smell

Question 2

II Optic

Sensory

Answer 2

Transmits visual impulses from retina to thalamus

Question 3

III Oculomotor

Primary motor

Answer 3

Moves eye, carries proprioceptor impulses from skeletal muscles

Question 4

IV Trochlear

Primary motor

Answer 4

Carry motor and proprioceptor impulses from superior oblique muscles of the eyes

Question 5

V Trigeminal

Mixed

Answer 5

Main general sensory nerves of face, ophthalmic, maxillary, and mandibular division

Question 6

VI abducens

Primary motor

Answer 6

Motor and proprioceptor functions of lateral rectus muscles of eyes

Question 7

VII Facial

Mixed

Answer 7

Major motor nerves of face. Carry sensory impulses from taste buds of front 2/3 of tongue

Question 8

VIII vestibulocochlear

Primary sensory

Answer 8

Hearing and equilibrium

Question 9

IX Glossopharyngeal

Mixed

Answer 9

Taste buds posterior tongue, pharynx, chemoreceptors of nose, innervate pharyngeal muscles and parotid glands

Question 10

X Vagus

Mixed

Answer 10

Motor fibers to and sensory fibers from the pharynx, larynx, and visceral organs of abdominothoracic cavity

Question 11

XI accessory

Primary motor

Answer 11

Supply somatic deferents to and carry proprioceptor afferent from the trapezius & sternocleidomastoid muscles

Question 12

XIII hypoglossal

Primary motor

Answer 12

Carry somatic motor deferents to and proprioceptor fibers from tongue muscles