Exam (elaborations)
NRSG 201 Exam 3 With Complete Solutions Latest Update
- Course
- NRSG 201
- Institution
- Montana State University - Billings
NRSG 201 Exam 3 With Complete Solutions Latest Update
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Solution 2024/2025Pepper
NRSG 201: Exam 3 With Complete Solutions
Latest Update
sleep sufficiency ANS✔✔ sleep of adequate duration occurring at
appropriate times of the day with sustained alertness during waking hours
sleep deficiency ANS✔✔ inadequate amount of mistimed sleep
polysomnography ANS✔✔ electrophysiologic recordings of changes in brain
waves, eye movements and muscles
NREM Sleep ANS✔✔ 70-80% of a night's sleep
N1, N2 and N3 Stages
Stage N1 Sleep ANS✔✔ transitional stage between drowsiness and sleep
-theta waves
Stage N2 Sleep ANS✔✔ 40-50% of a night's sleep
-deeper sleep
-sleep spindles/K complexes
-rolling eye movements
Stage N3 Sleep ANS✔✔ 20% of night's sleep in young adults
as low as 5% in older adults
, Solution 2024/2025
Pepper
-deepest non REM (slow wave sleep)
-sleepwalking, night terrors, and bedwetting
-delta waves (lowest freq, highest amp)
REM Sleep ANS✔✔ closely resembles wakefulness in EEG
-20-25% of night's sleep
-theta waves
-vivid dreams
Sleep Cycles ANS✔✔ 4-5 complete cycles in a night
-each about 90-110 minutes
Physiologic Changes During Sleep ANS✔✔ decreased brain activity, heart
rate, blood pressure, sympathetic nerve activity, muscle tone, blood flow to
brain, respiration, body temperature and swallowing
increased airway resistance
sleep latency ANS✔✔ amount of time it takes a person to fall asleep
-average is 7-10 minutes
nocturnal awakeness ANS✔✔ brief awakening during the night
-average is 1-2
circadian rhythm ANS✔✔ the biological clock; regular bodily rhythms that
occur on a 24-hour cycle
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