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73 Cards in this Set
- Front
- Back
The central nervous system is made up of the?
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brain
Spinal cord |
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the temporal area of the brain is responsible for what?
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speech
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the occipital area of the brain is responsible for what?
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vision
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what crosses the blood brain barrier
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alchol, oxygen , water, drugs
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what does not cross the blood brain barrier?
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albumin and some antibiotics
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when using the glasgow coma scale a person who has no response when asked to open eyes would get what rating?
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1 = no response
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a person who is oriented to time, place and person would receive what rating on the GCScale
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5
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a score of above 8 on the GCScale would be considered what?
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good prognosis
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a score of 4 on the GCScale would be considered what?
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hi mortality
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a score of 3-7 on the GCScale would be considered what?
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coma
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in general this test is not done due to the danger of herniation?
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lumbar puncture
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increased intracranial pressure is due to what?
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incease in blood, CSF, or swelling of the brain tissue or tumors
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some causes of ICP are:
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trauma, hemorrhage, edema, inflammation
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This impedes cerebral circulation, absorption of csf and function of nerve cells.
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Increased pressure
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ability of the brain to alter the diameter of the vessles to maintain a constant blood flow of oxygen and glucose to its tissue
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autoregulation
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What happends to autoregulation during ICP
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It is lost
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factors that make icp worse
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coughing, vomiting, sneezing,
isometric muscle contractions increase in PCO2 decrease in PO2 |
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What is the most sensitvie indication of increasing intracranial pressure?
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Level of consciousness
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fixed dilated pupil is ominous sign of what?
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ICP
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what meds are used to treat ICP
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steroids (decadron)
diuretics (lasix) |
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how does steriods help icp
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decerase cerebral edema buy their anti-inflammatory effect. decrease leaking of fluids into tissues
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early signs of icp are what?
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dec loc
restlessness headache pupil changes |
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late signs of icp are what?
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decreased loc
inc bp dec p dec respirations fever vomit posturing |
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what is the goal for ICP
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decrese pressure by maintaining adewuate blood flow with adequate oxygenation and glucose and reduction of the buildup of carbon dioxide
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what medication is contraindicated due to its masking of changes in neurological status?
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morphine
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decrease body's metabolism so oxygen demand by the brain is decreased, thus preserving cell life?
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barbiturate coma
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pavolon, and norcuran are what?
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paralyzing agents
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- good pulmonary toilet
- daily i/o -maintain skin integrity are interventions for who? |
a comatose client
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how to maintain skin integrity for a coma tose person:
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dry wrinkle fre bed clothes
frequent repositioning relieve pressure- different types of mattresses |
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interventions for the confused client with decreased memory
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repetition
wrtiien memory aids small steps - simple to complex |
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the nursing diagnosis for a person who is aphasic would be?
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alteration in communication related to aphasia, dysarthia
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with an aphasica client , asses function which is expressive is also called what?
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Broca's
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with an aphasica client , asses function which is receptive is also called what?
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wernicke
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interventions for a aphasic client would be what?
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use alphabet or picture board
treat client as adult present one thought or idea at a time yes no questions |
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nursing diagnosis of the dysphagic client is?
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alterations in nutrition
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what type of foods are easiest to swallow in a person who is dysphagic
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semisolid
jello custard, mashed potatoes, ice cream |
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some concerns for the client who is immoble would be?
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pneumonia,
dvt fecal impaction uti skin breakdown |
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nursing diagnosis for an incontinent client would be
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alteration in elimination
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what method is used with bladder training?
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Crede method
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what medications are used for the flaccid bladder?
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urecholine
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what medications are used for a client with spastic bladder?
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ditropan, pro-banthine
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seizure whos signs are muscle contraction and relaxation?
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Clonic
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seizure whos signs are breif jerking, stiffening
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myoclonic
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seizure whos signs are sudden loss of muscle tone?
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atonic (drop)
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seizure common in children, staring, breif loss of consciousness
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absence ( petit mal )
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called grand mal seizure
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tonic-clonic seizure
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how long does the tonic clonic seizure last
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1-5 minutes
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cry out, jaws clamp shut, body stiffens, body jerks, loss of consciousness
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Tonic-clonic seizures
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this type of seuzures occur in the focal area of the brain
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partial seizures
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this seizure includes loss of consciousness, lip smacking patting, picking, post seizure amnesia
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comlex partial seizure
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this seizure includes no loss of consciousness, aura, unilateral movements, sensory, autonomic symptoms such as dry mouth or drooling
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simple partial seizure
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seuzure activity lasting thirty mnutes or more without regaining consciousness
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status epilepticus
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what meds are given to a patient who is status epilepticus?
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iv valium (ativan or depacon, followed by dilantin
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major diagnostic test for seizures is
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eeg
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removal of this with people who have intaractable seizures?
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epileptic focus
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inflammation of the arachnoid and pia mater of the brain and spinal cord and cerbrospinal fluid
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Meningitis
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more serious of bacterial or viral meningitis
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Bacterial
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assessment of meningitis includes
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rigidity
icp vascular dysfunction csf analysis |
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inflammationi of brain tissure, mostly viral cause
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encephalitis
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fever, stiff neck, loc changes
focal deficits, increased icp, tremors, seizures |
encephalitis
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this disease is mainly found with clients over 50, rare in blacks, not genetic, no cure
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Parkinsons
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loss in ability to refine and control voluntary movement.
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parkinsons
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begins unilateral, with mild tremor, slight limp and progresses
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parkinsons
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results in stooped posture, masked face, drooling difficulty in balance, dysphagia, blinking
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bradykinesia
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shuffling gait, speech changes
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parkinsons
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increase dopamine and decrease acetylchonline for what disease
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parkinson
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thermocoagulation of brain cells to decrease tremors in people with parkinsons is called
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thalamotomy
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majore nursing diagnoses with parkinsons is?
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impaired physical mobility
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a progressive, deilitation, fatal neurological disease
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alzheimers
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early warning signs of alzheimers
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memory loss
not remembering disorientaion of time and place los of initative mood changes |
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neurofibrillary tangles,
neuritic plaques, and excessive loss of neurons are structural changes in the brain causing what? |
alzheimers
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to diagnosis alzheimers you do these tests
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eeg, blood chemistries, ct scans, but only sure after death with autopsy
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common meds for alzheimers
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reminyl
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