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NUR 265 EXAM 3 NEWEST
100 QUESTIONS AND CORRECT DETAILED
ANSWERS ( ANSWERS )
How is myasthenia gravis diagnosed? - ANSWER- tensillon test.s/s improve with Edrophonium .
How does edrophonium work? - ANSWER- w/in 30-60sec of 1st dose, most show lots of improvement, lasts 4-5mins
What are n/i for myasthenia gravis? - ANSWER- assess adls, speech & facial weakness resp support keep oxygen equipment & suction at bedside for r/f of resp distress promote mobility
What is tx for myasthenia gravis? - ANSWER- plasmapherisis anticholinesterases (pyridostigmine) immunosuppressants 1 / 4
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What is cholinergic crisis? - ANSWER- too much cholinesterase inhibitor drug
What are s/s of cholinergic crisis? - ANSWER- fasciculations hypersalivation sweating bronchospasms increase bronchial secretions bradycardia
What is tx for cholinergic crisis? - ANSWER- atropine
DO NOT GIVE ANTICHOLINESTERASE
What is myasthenic crisis? - ANSWER- too little cholinesterase inhibitor drug
What is the priority with myasthenic crisis? - ANSWER- resp function
What are s/s of myasthenic crisis? - ANSWER- increase HR,
RR, BP 2 / 4
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decrease u/o no cough or swallow reflex dry
What time should ChE inhibitor be given? - ANSWER- 45-1hr before meals to avoid aspiration
What can tensilon test cause? - ANSWER- cardiac dysrhythmias, have atropine on hand
What is nursing priority with myasthenic crisis? - ANSWER- maintain airway, may require to intubate
What is Guillain-Barre? - ANSWER- an uncommon acute inflammatory disorder that affects axons and/or myelin sheath (neurons can't impulse)
where does Guillain Barre Syndrome start - ANSWER- -Starts in feet and hands (numbness, tingling)
What are causes of Guillain Barre? - ANSWER- bacterial infection influenza 3 / 4
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epstein barr zika
What are s/s of guillain barre? - ANSWER- loss of reflexes hypotension labile BP muscle weakness or paralysis (decreased DTR) numbness ataxia blurred or double vision palpitations pain tachycarida
What are complications from guillain barre? - ANSWER- resp & cardiac problems decreased mobility, DVTs
What is tx for guillain barre? - ANSWER- plasmapheresis asap IV immunoglobulin if can't do plasma right away
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