Fundamentals NR226 Quiz 2 Question and answers
already passed 2025/2026
1 the biological clock; regular bodily rhythms that occur on a 24-hour cycle
. Day/Night
circadian rhythm
2 Circadian rhythms are affect-light, temperature, social
. activities, and work routines
ed by...
3. What major biological and Body temp
behavioral functions
depend on the Heart rate
maintenance of the 24- Blood pressure
hour circadian rhythm? Hormone
secretion Sensory
acuity Mood
4. Sleep is associated with
changes in what body
Peripheral nervous system
sys- tems?
Endocrine
Cardiovascular
Respiratory
Muscular systems
5. Stages of adult sleep cycle NREM
REM
6. NREM non rapid eye movement
-4 stages
7. REM rapid eye movement
8. 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
9. Stage 4 NREM
1/
19
, Fundamentals NR226 Quiz
2
During what sleep stage is
a patients vital signs low?
0 90
REM occurs about how long minutes
into the sleep cycle?
11. True or false: Sleep TRUE
becomes more fragmented
with aging and a person
spends more time in
lighter stages
12. With each successive sleep
cy- cles stages and 3 and 4 shorten
short- en and the period of REM shortens
REM
13. Which sleep stage NREM
contributes to body tissue
restoration?
14. REM sleep is necessary for Brain tissue restoration ; and memory
restoration
and appears to be
important
for cognitive restoration and
15. At which sleep stage are REM sleep
dreams more vivid and
elabo- rate?
16. Physical illnesses can cause
-COPD, emphysema, asthma, allergies or common cold
pain, physical discomfort, anx- -Hypertension
iety depression and sleep -Restless leg syndrome (RLS)
dis- -Nocturia
2/
19
, Fundamentals NR226 Quiz
2
turbances. What are some
of these illnesses?
recurrent, rhythmical movements of the feet and legs
17. Restless leg syndrome can
oc- cur before sleep onset
and can include...
18. Sleep disorders Conditions that if untreated generally cause disturbed
night- time sleep
19. Polysomnogram involves the use of EEG, EMG, and EOG to monitor stages
of
sleep and wakefulness during nighttime sleep.
20. Types of sleep disorders Insomnia
Sleep apnea
Narcolepsy
Sleep deprivation
Parasomnias
21. What is the most Insomnia
common sleep disorder?
22. Insomnia is recurring problems in falling or staying asleep
23. 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
24. What is the most Obstructive
common form of sleep
apnea?
25. 2 major risk factors for ob- obesity and hypertension
structive sleep disorder
(OSA)
3/
19
already passed 2025/2026
1 the biological clock; regular bodily rhythms that occur on a 24-hour cycle
. Day/Night
circadian rhythm
2 Circadian rhythms are affect-light, temperature, social
. activities, and work routines
ed by...
3. What major biological and Body temp
behavioral functions
depend on the Heart rate
maintenance of the 24- Blood pressure
hour circadian rhythm? Hormone
secretion Sensory
acuity Mood
4. Sleep is associated with
changes in what body
Peripheral nervous system
sys- tems?
Endocrine
Cardiovascular
Respiratory
Muscular systems
5. Stages of adult sleep cycle NREM
REM
6. NREM non rapid eye movement
-4 stages
7. REM rapid eye movement
8. 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
9. Stage 4 NREM
1/
19
, Fundamentals NR226 Quiz
2
During what sleep stage is
a patients vital signs low?
0 90
REM occurs about how long minutes
into the sleep cycle?
11. True or false: Sleep TRUE
becomes more fragmented
with aging and a person
spends more time in
lighter stages
12. With each successive sleep
cy- cles stages and 3 and 4 shorten
short- en and the period of REM shortens
REM
13. Which sleep stage NREM
contributes to body tissue
restoration?
14. REM sleep is necessary for Brain tissue restoration ; and memory
restoration
and appears to be
important
for cognitive restoration and
15. At which sleep stage are REM sleep
dreams more vivid and
elabo- rate?
16. Physical illnesses can cause
-COPD, emphysema, asthma, allergies or common cold
pain, physical discomfort, anx- -Hypertension
iety depression and sleep -Restless leg syndrome (RLS)
dis- -Nocturia
2/
19
, Fundamentals NR226 Quiz
2
turbances. What are some
of these illnesses?
recurrent, rhythmical movements of the feet and legs
17. Restless leg syndrome can
oc- cur before sleep onset
and can include...
18. Sleep disorders Conditions that if untreated generally cause disturbed
night- time sleep
19. Polysomnogram involves the use of EEG, EMG, and EOG to monitor stages
of
sleep and wakefulness during nighttime sleep.
20. Types of sleep disorders Insomnia
Sleep apnea
Narcolepsy
Sleep deprivation
Parasomnias
21. What is the most Insomnia
common sleep disorder?
22. Insomnia is recurring problems in falling or staying asleep
23. 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
24. What is the most Obstructive
common form of sleep
apnea?
25. 2 major risk factors for ob- obesity and hypertension
structive sleep disorder
(OSA)
3/
19
