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Cranial Nerves II
3
Question | Answer |
---|---|
I Olfactory | Sensory ~ Smell |
II Optic | Sensory ~ Vision |
III Oculomotor | Motor ~ Eye Movement, Pupil Size Control |
IV Trochlear | Motor ~ Eye Movement |
V Trigeminal | Mixed (large) ~ Ophthalmic: Forehead to Eyes (sensory) Maxillary: Upper Teeth, Roof of Mouth (sensory) Mandibular: Lower Teeth, Lower Mouth, Tongue (sensory) Massester / Buchinator, Chewing (motor) |
VI Abducens | Motor ~ Adducts eyes toward each other (crossing) |
VII Facial | Mixed ~ 5 Branches: All Motor (face, scalp, salivary, tears) except: Taste (sensory) |
VIII Vestibulocochlear | 2 Branches - Both Sensory ~ 1. Vestibulo: Balance, equilibrium 2. Cochlear: Hearing (Most tumors form from meninges of this nerve) |
IX Glossopharyngeal | Mixed ~ Taste: Sensory Swallow / Secretion of Saliva: Motor |
X Vagus | Mixed ~ All organs in chest, throat (Sensory) Voice Box, Abdomen (parastasus - digestion), Pharynx, HR (Motor) *Most Important Nerve |
XI Accessory | Motor ~ Shoulder, Side of Head, Neck |
XII Hypoglossal | Motor ~ Tongue |