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Nerves

Neuro Exam

QuestionAnswer
Connects brain to spinal cord and pathway for all fiber tracts passing up and down peripheral nerves and spinal cord- CN 3-12 Brain stem
Nerve pathway of cerebral hemispheres, auditory and visual reflex centers Midbrain
Motor and sensory pathways; helps regulate respiration Pons
Motor tracts from spinal cord to brain; respiratory, vasomotor and cardiac centers; reflex activity for coughing, gagging, swallowing, and vomiting Medulla
Coordination of movement, balance, and position sense- proreception Cerebellum
Impairment of cerebellum includes what ? Ataxic gait
Term for sway or stagger when walking. Occurs with impairment of what? Ataxic Gait; Cerebellum
Often missed due to presentation as s/s of other things Cerebral Stroke
Arachnoid villi absorb CSF into venous systemic blood or bacteria enter subarachnoid space and will become obstructed creating a _______ ________. Communicating Hydrocephalus
CSF produced from arterial blood by the choroid plexuses of lateral & 4th ventricle C. plexus is a network of capillaries producing ______ ml of CSF per day. Blockage of CSF flow anywhere in the vent sys produces ____________ 500 mL; Obstructive Hydrocephalus
CN: Smell; Anosmia (inability to smell) CN I (Olfactory)
CN: Visual acuity CN II (Optic)
CN: Exraocular muscles, pupils, and eyelids; Ptosis (dropping of eyelid), Nystagmus (involve eye movements) CN III, IV, VI (Oculomotor, Trochlear, Abducens)
CN: Doll's eyes reflex assessment: positive when eyes deviate in the direction opposite the head turning; eyes stay focused on whatever they were looking at prior to head turning. Denotes brain stem is _____ CN III, IV, VI (Oculomotor, Trochlear, Abducens); Intact
Doll's eyes reflex assessment: _______ response when eyes move in the same direction as the head. Indicates severe ________ ________ Brain damage
CN: Sensory and motor on each side of face (cheeks). How to check it? CN V (Trigeminal); cotton swab on each side of face to see if pt feels it
CN: Sensory and motor on each side of face, forehead, tongue CN VII (Facial)
CN: Cochlear branch deals with hearing. Vestibular branch deals with balance CN VIII (Vestibularcochlear)
CN: Motor and sensory of pharynx; "aaah" and "gag" CN IX (Glossopharyngeal)
CN: Swallowing and speaking; BP, Cardiac Resp, GI muscle movements CN X (Vagus)
CN: Motor: sternocleidomastoid and trapezius muscles- Shoulder shrugs, turn head to side; Swallowing, speaking CN XI (Accessory)
CN: Tongue movement, speech, swallowing CN XII (Hypoglossal)
Created by: mreedy