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Cranial Nerves

QuestionAnswer
CN I #/name:I - Olfactory nerve origin:olfactory epithelium foramen:cribiform plate of ethmoid bone termination:olfactory bulb type:sensory function:smell test:smell aromatic substances
CN II #/name:II - optic nerve origin:retina of eye foramen:optic canal termination:visual cortex, thalamus type:sensory function:sight test:read something
CN III #/name:III - Oculomotor nerve origin:dorsal midbrain foramen:superior orbital fissure termination:eye type:mixed function:eye movement, keep eyelid open test:shine light in eye
CN IV #/name:IV - Trochlear nerve origin:midbrain foramen:superior orbital fissure termination:eye type:mixed function:motor to muscles that move eye test:follow finger up/down midline
CN V #/name:V - Trigeminal nerve origin:pons foramen:foramen ovale,foramen rotundum,superior orbital fissure termination:mandible, maxillary, eye type:mixed function:sensory from head. face, nose, teeth, eye surface test:touch face with gauze for sensati
CN VI #/name:VI - Abducens nerve origin:inferior pons surface foramen:superior orbital fissure termination:eye type:mixed function:motor to muscles that move eyes laterally test:move eyes side to side
CN VII #/name: Facial nerve origin:pons foramen:stylomastoid foramen termination:face, tongue type:mixed function:facial expression, taste on tongue test:puff cheeks, taste salt in water
CN VIII #/name:VIII - Vestibulocochlear nerve origin:inner ear foramen:internal meatus termination:pons type:sensory function:hearing, equilibrium test:tuning forks
CN IX #/name:IX- Glossopharyngeal nerve origin:medulla foramen:jugular foramen termination:throat type:mixed function:swallowing,gag reflex, some taste, sensory from eardrum test:speak & cough
CN X #/name:X - Vagus nerve origin:medulla foramen:jugular foramen termination:thorax & obdomen type:mixed function:motor to soft pallate/pharynx/larynx/GI tract/thorax/abdomen; sensory from ear/general visceral organs; taste from epiglottis test:gag re
CN XI #/name:XI - Accessory nerve origin:medulla & superior spinal cord foramen:jugular foramen termination:neck, back type:mixed function:motor to muscles of larynx, pharynx,trapezius,sternocleidomastoid test:turn head side to side while applying pressur
CN XII #/name:XII - Hypoglossal nerve origin:medulla foramen:hypoglossal canal termination:tongue type:mixed function:motor to move the tongue test:stick tongue out & should stay in midline
Created by: negaihana
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