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Nerves
Neuro Exam
| Question | Answer |
|---|---|
| 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
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