Lab #2 Quiz

Cranial Nerve I

olfactory sensory (smell)

Origin: Olfactory mucosa in nasal cavity

Cranial Nerve II

Optic (vision)

Origin: Rods + Cones in retina of eye

Cranial Nerve III

Oculomotor

Sensory function: Proprioception feedback

Motor function: eye movement, opens eyelids, constrict pupil

Cranial Nerve IV

Trochlear

Sensory function: Proprioception feedback

Motor function: inferolateral eye movement (midbrain)

Cranial Nerve V

Trigeminal

Sensory function: Touch, temp, pain (V1, V2, V3)

Motor function: Mastication (V3) (Pons)

Cranial Nerve VI

Abducens

Sensory: Proprioception feedback

Motor: Lateral eye movement (pons)

Cranial Nerve VII

Facial

Sensory: taste (taste buds)

Motor: facial muscles, salivation and tears (pons)

Cranial Nerve VIII

Vestibulocochlear

Sensory: Hearing + equilibrium (inner ear)

Motor: Cochlear feedback (pons)

Cranial Nerve IX

Glossopharyngeal

Sensory: taste, gag, swallow, cough (tongue, outer ear, pharynx)

Motor: Swallowing + salivation (medulla oblongata)

Cranial Nerve X

Vagus

Sensory: Visceral sensation (hunger, GI discomfort) (visceral, throat, ear)

Motor: Swallow, speech, visceral muscle (medulla oblongata)

Cranial Nerve XI

Accessory

Sensory: Proprioception feedback

Motor: Swallowing, moves head, neck, shoulders (medulla + c-spine)

Cranial Nerve XII

Hypoglossal

Sensory: Proprioception feedback

Motor: Speech and swallowing (medulla oblongata)