NUR 265 Exam 3 UPDATED ACTUAL Questions and CORRECT Answers

NUR 265 Exam 3 UPDATED ACTUAL
Questions and CORRECT Answers
What is encephalitis? - CORRECT ANSWER inflammation or infection of the brain



What causes encephalitis? - CORRECT ANSWER West Nile Virus
Herpes


What are the s/s of encephalitis? - CORRECT ANSWER High fever, N/V, stiff neck
Flu like symptoms
change in LOC
photophobia
pupil changes (dilate & less responsive to light)


What is used to dx encephalitis? - CORRECT ANSWER lumbar puncture
EEG
CT (looks for mass)


What are N/I for encephalitis? - CORRECT ANSWER Neuro checks
Monitor for s/s of ICP
Suction only resp compromised
HOB 30-45
Decrease stimuli


What is the tx for encephalitis? - CORRECT ANSWER acyclovir



What are complications from encephalitis? - CORRECT ANSWER ICP that leads to
herniation of brain tissue or death

,What is myasthenia gravis? - CORRECT ANSWER Autoimmune disorder that is
characterized by weakness in the muscles


What causes myasthenia gravis? - CORRECT ANSWER lack of Ach receptor sites, leads
to lack of nerve impulses


What are s/s of myasthenia gravis? - CORRECT ANSWER difficulty holding up head or
brushing teeth
double vision
ptosis
dysphagia
loss of bowel & bladder control
decrease sense of smell & taste


How is myasthenia gravis diagnosed? - CORRECT ANSWER tensillon test.
s/s improve with Edrophonium .


How does edrophonium work? - CORRECT ANSWER w/in 30-60sec of 1st dose, most
show lots of improvement, lasts 4-5mins


What are n/i for myasthenia gravis? - CORRECT 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? - CORRECT ANSWER plasmapherisis
anticholinesterases (pyridostigmine) immunosuppressants

,What is cholinergic crisis? - CORRECT ANSWER too much cholinesterase inhibitor drug



What are s/s of cholinergic crisis? - CORRECT ANSWER fasciculations
hypersalivation
sweating
bronchospasms
increase bronchial secretions
bradycardia


What is tx for cholinergic crisis? - CORRECT ANSWER atropine
DO NOT GIVE ANTICHOLINESTERASE


What is myasthenic crisis? - CORRECT ANSWER too little cholinesterase inhibitor drug



What is the priority with myasthenic crisis? - CORRECT ANSWER resp function



What are s/s of myasthenic crisis? - CORRECT ANSWER increase HR, RR, BP
decrease u/o
no cough or swallow reflex
dry


What time should ChE inhibitor be given? - CORRECT ANSWER 45-1hr before meals to
avoid aspiration


What can tensilon test cause? - CORRECT ANSWER cardiac dysrhythmias, have atropine
on hand

, What is nursing priority with myasthenic crisis? - CORRECT ANSWER maintain airway,
may require to intubate


What is Guillain-Barre? - CORRECT ANSWER an uncommon acute inflammatory
disorder that affects axons and/or myelin sheath (neurons can't impulse)


where does Guillain Barre Syndrome start - CORRECT ANSWER -Starts in feet and
hands (numbness, tingling)


What are causes of Guillain Barre? - CORRECT ANSWER bacterial infection
influenza
epstein barr
zika


What are s/s of guillain barre? - CORRECT 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? - CORRECT ANSWER resp & cardiac
problems
decreased mobility, DVTs