NUR 211 EXAM 1 WITH 100%
CORRECT ANSWERS 2025
the study of sleep correct answers >> Somnology
what are the benefits of sleep? correct answers >> -help
people cope with daily stressors
-prevents fatigue
-conserves energy
-facilitates healing of damaged tissue/wounds
-restores mind and body
what is NREM? correct answers >> non-rapid eye movements
(stages 1-4)
what is REM? correct answers >> rapid eye movement
what are the 4 staged of NREM sleep? correct answers >> -
Stage 1: very light sleep/only lasts a few minutes
-Stage 2: light sleep/ lasts 10-15 minutes/eye movements stop
and brain waves slow
-Stage 3 & 4: deeper sleep/ heart and respiratory rates drop 20%-
30% below what is exhibited during waking hours/difficult to
arouse/sleepwalking, talking, night terrors/ Stage 4 is
characterized by slow delta waves/ no eye movement or muscle
activity/if awakened the sleeper may be groggy and disoriented/
peak of growth hormone secretion/tissue repair/restorative
,what is REM sleep? correct answers >> Phase at the end of
each 90 minute sleep cycle that lasts approximately 5-30
minutes/ usually spend about 20% of sleep in REM/ rapid eye
movement/ vivid full color dreaming/ difficult to arouse/ becomes
longer as the night progresses and individual becomes more
rested
why is REM sleep important for cognitive restoration? correct
answers >> -memory storage and learning
-brain filters stored information about the day's activities
infants spend __% of their sleep in REM correct answers >>
50%
Adults spend about __% of their sleep in REM correct answers
>> 20%
what substances suppress REM sleep? correct answers >> -
opiods/narcotics
-stimulants
-antidepressants
-alcohol
-smoking
these exist in plants, animals, and humans. In humans, this is
controlled from within your body and synchronized with
environmental factors such as light and darkness correct
answers >> biological rhythms
,the biological clock; regular bodily rhythms that occur on a 24-
hour cycle such as sleep/wake cycle, body temperatures, blood
pressure, and many other physiologic functions correct
answers >> circadian rhythm
what happens when your external time cues are inconsistent
(biological rhythms) resulting in chronic fatigue, disruptive sleep
patterns, decreased performance, and coping abilities correct
answers >> desynchronization
what factors affect sleep? correct answers >> -age
-physical illness
-anxiety/emotional stress
-environment
-lifestyle
-diet
-exercise and fatigue
-medications
-alcohol and stimulants
the inability to fall asleep or remain asleep correct answers >>
insomnia
insomnia that lasts one to several nights and is often caused by
personal stressors and/or worry correct answers >> acute
insomnia
, difficulty sleeping for a few nights, followed by a few nights of
adequate sleep before the problem returns correct answers
>> chronic insomnia
what are the risk factors for insomnia? correct answers >> -
older age
-female gender (women suffer sleep loss related to hormonal
changes)
what are treatments for insomnia? correct answers >> -
behavioral modification (creating a sleep environments that
promotes sleep/ learning to develop positive thoughts about
sleep/ following a program that limits time in bed in order to get
sleep and stay asleep throughout the night)
-prescription medication: ambien
-over the counter product: melatonin (hormone)
a condition that affects people hose sleep-wake and lifestyle
demands are out of sync with their circadian rhythms/ consists of
symptoms of insomnia that occur in relation to work schedules/
what is a treatment for it? correct answers >> Shift work
sleep disorder (SWSD)/ Provigil (antinarcoleptic)
a disorder of excessive daytime sleepiness caused by the lack of
chemical hypocretin in the area of the central nervous system
that regulates sleep/ these people have sleep attacks or
excessive daytime sleepiness, and usually begin their sleep at
night with the REM phase correct answers >> narcolepsy
CORRECT ANSWERS 2025
the study of sleep correct answers >> Somnology
what are the benefits of sleep? correct answers >> -help
people cope with daily stressors
-prevents fatigue
-conserves energy
-facilitates healing of damaged tissue/wounds
-restores mind and body
what is NREM? correct answers >> non-rapid eye movements
(stages 1-4)
what is REM? correct answers >> rapid eye movement
what are the 4 staged of NREM sleep? correct answers >> -
Stage 1: very light sleep/only lasts a few minutes
-Stage 2: light sleep/ lasts 10-15 minutes/eye movements stop
and brain waves slow
-Stage 3 & 4: deeper sleep/ heart and respiratory rates drop 20%-
30% below what is exhibited during waking hours/difficult to
arouse/sleepwalking, talking, night terrors/ Stage 4 is
characterized by slow delta waves/ no eye movement or muscle
activity/if awakened the sleeper may be groggy and disoriented/
peak of growth hormone secretion/tissue repair/restorative
,what is REM sleep? correct answers >> Phase at the end of
each 90 minute sleep cycle that lasts approximately 5-30
minutes/ usually spend about 20% of sleep in REM/ rapid eye
movement/ vivid full color dreaming/ difficult to arouse/ becomes
longer as the night progresses and individual becomes more
rested
why is REM sleep important for cognitive restoration? correct
answers >> -memory storage and learning
-brain filters stored information about the day's activities
infants spend __% of their sleep in REM correct answers >>
50%
Adults spend about __% of their sleep in REM correct answers
>> 20%
what substances suppress REM sleep? correct answers >> -
opiods/narcotics
-stimulants
-antidepressants
-alcohol
-smoking
these exist in plants, animals, and humans. In humans, this is
controlled from within your body and synchronized with
environmental factors such as light and darkness correct
answers >> biological rhythms
,the biological clock; regular bodily rhythms that occur on a 24-
hour cycle such as sleep/wake cycle, body temperatures, blood
pressure, and many other physiologic functions correct
answers >> circadian rhythm
what happens when your external time cues are inconsistent
(biological rhythms) resulting in chronic fatigue, disruptive sleep
patterns, decreased performance, and coping abilities correct
answers >> desynchronization
what factors affect sleep? correct answers >> -age
-physical illness
-anxiety/emotional stress
-environment
-lifestyle
-diet
-exercise and fatigue
-medications
-alcohol and stimulants
the inability to fall asleep or remain asleep correct answers >>
insomnia
insomnia that lasts one to several nights and is often caused by
personal stressors and/or worry correct answers >> acute
insomnia
, difficulty sleeping for a few nights, followed by a few nights of
adequate sleep before the problem returns correct answers
>> chronic insomnia
what are the risk factors for insomnia? correct answers >> -
older age
-female gender (women suffer sleep loss related to hormonal
changes)
what are treatments for insomnia? correct answers >> -
behavioral modification (creating a sleep environments that
promotes sleep/ learning to develop positive thoughts about
sleep/ following a program that limits time in bed in order to get
sleep and stay asleep throughout the night)
-prescription medication: ambien
-over the counter product: melatonin (hormone)
a condition that affects people hose sleep-wake and lifestyle
demands are out of sync with their circadian rhythms/ consists of
symptoms of insomnia that occur in relation to work schedules/
what is a treatment for it? correct answers >> Shift work
sleep disorder (SWSD)/ Provigil (antinarcoleptic)
a disorder of excessive daytime sleepiness caused by the lack of
chemical hypocretin in the area of the central nervous system
that regulates sleep/ these people have sleep attacks or
excessive daytime sleepiness, and usually begin their sleep at
night with the REM phase correct answers >> narcolepsy
