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Cranial Nerves

Review of the 12 Cranial Nerves

Function of Nerve I Olfactory- Transmit sensory impulses associated with smell
Function of Nerve II Optic- Transmit sensory impulses related to vision
Function of Nerve III Oculomotor- Motor impulses raise eyelids, adjust amount of light, moves eyes,focus lenses sensory-condition of muscles
Function of Nerve IV Trochlear- Motor impulses move the eyes Sensory impulses condition of muscles
Function of Nerve V part A Trigeminal Opthalmic- sensory impulses from Forehead, surface of eyes, tear glands, scalp, upper eyelids
Nerve V part B Trigeminal Maxillary- sensory impulses from upper teeth lip gum, palate, and facial skin
Nerve V part C Trigeminal Mandibular- sensory impulses from jaw skin, lower teeth gum lip Motor impulses to muscles in the floor of the mouth
Function of Nerve VI Abducens- Motor fibers move the eyes Sensory- condition of muscles
Function of Nerve VII Facial- Sensory impulses from the anterior tongue Motor impulses from tear and salvitory glands, facial expression
Function of Nerve VIII Vestibulocochlear-Sensory impulses from a)hearing b)equilibrium
Function of Nerve IX Glossopharyngeal- Sensory impulses from tonsils, posterior tongue, pharynx, carotoid arteries Motor- swallow and salivate
Function of Nerve X Vagus- Somatic speech and swallow Sensory- pharynx, larynx, esophagus, viscera of thorax and abdomen, Motor- heart smooth muscles and glands
Function of Nerve XI Accessory Cranial- Motor soft palate, pharynx, larynx Accessory Spinal- Motor neck and back
Function of Nerve XII Hypoglossal- Motor move tongue
Created by: houtsh