FUNDAMENTALS NR226 QUIZ 2 EXAM QUESTIONS WITH
COMPLETE SOLUTION
circadian rhythm
the biological clock; regular bodily rhythms that occur on a 24-hour cycle Day/Night
Circadian rhythms are affected by...
light, temperature, social activities, and work routines
What major biological and behavioral functions depend on the maintenance of
the 24-hour circadian rhythm?
Body temp
Heart rate
Blood pressure
Hormone secretion
Sensory acuity
Mood
Sleep is associated with changes in what body systems?
Peripheral nervous system
Endocrine
Cardiovascular
Respiratory
Muscular systems
Stages of adult sleep cycle
NREM
REM
NREM
non rapid eye movement
-4 stages
REM
rapid eye movement
4 stages of NREM
Stage I: light sleep
Stage II: light sleep
Stage III: medium deep sleep
Stage V: deep sleep ("delta" sleep) longest time
During what sleep stage is a patients vital signs low?
Stage 4 NREM
REM occurs about how long into the sleep cycle?
90 minutes
True or false: Sleep becomes more fragmented with aging and a person spends
more time in lighter stages
TRUE
With each successive sleep cycles stages ___ and ____ shorten and the period of
REM _____________
, 3 and 4 shorten
REM shortens
Which sleep stage contributes to body tissue restoration?
NREM
REM sleep is necessary for ______________ restoration and appears to be
important for cognitive restoration and _______
Brain tissue restoration ; and memory
At which sleep stage are dreams more vivid and elaborate?
REM sleep
Physical illnesses can cause pain, physical discomfort, anxiety depression and
sleep disturbances. What are some of these illnesses?
-COPD, emphysema, asthma, allergies or common cold
-Hypertension
-Restless leg syndrome (RLS)
-Nocturia
Restless leg syndrome can occur before sleep onset and can include...
recurrent, rhythmical movements of the feet and legs
Sleep disorders
Conditions that if untreated generally cause disturbed nighttime sleep
Polysomnogram
involves the use of EEG, EMG, and EOG to monitor stages of sleep and wakefulness
during nighttime sleep.
Types of sleep disorders
Insomnia
Sleep apnea
Narcolepsy
Sleep deprivation
Parasomnias
What is the most common sleep disorder?
Insomnia
Insomnia is
recurring problems in falling or staying asleep
Sleep apnea is
a disorder characterized by the lack of airflow through the nose and mouth for periods of
10 seconds or longer during sleep
What is the most common form of sleep apnea?
Obstructive
2 major risk factors for obstructive sleep disorder (OSA)
obesity and hypertension
Central Sleep Apnea (CSA)
involves dysfunction in the respiratory control center of the brain
---people with this tend to complain of insomnia and excessive daytime sleepiness
Narcolepsy is
A dysfunction of mechanisms that regulate the sleep and waking states
With narcolepsy, a person will feel an overwhelming wave of sleepiness and fall
asleep with REM occurring within ____ minutes
COMPLETE SOLUTION
circadian rhythm
the biological clock; regular bodily rhythms that occur on a 24-hour cycle Day/Night
Circadian rhythms are affected by...
light, temperature, social activities, and work routines
What major biological and behavioral functions depend on the maintenance of
the 24-hour circadian rhythm?
Body temp
Heart rate
Blood pressure
Hormone secretion
Sensory acuity
Mood
Sleep is associated with changes in what body systems?
Peripheral nervous system
Endocrine
Cardiovascular
Respiratory
Muscular systems
Stages of adult sleep cycle
NREM
REM
NREM
non rapid eye movement
-4 stages
REM
rapid eye movement
4 stages of NREM
Stage I: light sleep
Stage II: light sleep
Stage III: medium deep sleep
Stage V: deep sleep ("delta" sleep) longest time
During what sleep stage is a patients vital signs low?
Stage 4 NREM
REM occurs about how long into the sleep cycle?
90 minutes
True or false: Sleep becomes more fragmented with aging and a person spends
more time in lighter stages
TRUE
With each successive sleep cycles stages ___ and ____ shorten and the period of
REM _____________
, 3 and 4 shorten
REM shortens
Which sleep stage contributes to body tissue restoration?
NREM
REM sleep is necessary for ______________ restoration and appears to be
important for cognitive restoration and _______
Brain tissue restoration ; and memory
At which sleep stage are dreams more vivid and elaborate?
REM sleep
Physical illnesses can cause pain, physical discomfort, anxiety depression and
sleep disturbances. What are some of these illnesses?
-COPD, emphysema, asthma, allergies or common cold
-Hypertension
-Restless leg syndrome (RLS)
-Nocturia
Restless leg syndrome can occur before sleep onset and can include...
recurrent, rhythmical movements of the feet and legs
Sleep disorders
Conditions that if untreated generally cause disturbed nighttime sleep
Polysomnogram
involves the use of EEG, EMG, and EOG to monitor stages of sleep and wakefulness
during nighttime sleep.
Types of sleep disorders
Insomnia
Sleep apnea
Narcolepsy
Sleep deprivation
Parasomnias
What is the most common sleep disorder?
Insomnia
Insomnia is
recurring problems in falling or staying asleep
Sleep apnea is
a disorder characterized by the lack of airflow through the nose and mouth for periods of
10 seconds or longer during sleep
What is the most common form of sleep apnea?
Obstructive
2 major risk factors for obstructive sleep disorder (OSA)
obesity and hypertension
Central Sleep Apnea (CSA)
involves dysfunction in the respiratory control center of the brain
---people with this tend to complain of insomnia and excessive daytime sleepiness
Narcolepsy is
A dysfunction of mechanisms that regulate the sleep and waking states
With narcolepsy, a person will feel an overwhelming wave of sleepiness and fall
asleep with REM occurring within ____ minutes
