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CCSH Prep Questions and answers | latest 2024/25 RATED A+
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CCSH Prep Questions and answers | latest 2024/25 RATED A+
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CCSH Prep Questions and answers |latest 2024/25 RATED A+
16-18 hours per day; sleep
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is polyphasic. - Newborns
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14-15 hours and levels off around that value. Sleep becomes less distributed, with primary
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sleep at night and nap(s) during the day. - 16 weeks
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ll llsleep continues to decline; duration is 10-12 hours - ages 2-5 years
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ll llsleep becomes monophasic; duration about 10 hours - age 10
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ll llsleep duration declines sharply to 8-9 hours; circadian phase delay - adolescence,
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sleep duration is relatively
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stable around 7-8 hours - adulthood
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sleep time decreases and a biphasic pattern may re-emerge; circadian phase advance -
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older age
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With aging there is a ______ in rhythm amplitude - circadian, endocrine and metabolic -
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reduction
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From early adulthood to midlife N3 _____, replaced by N1, N2 sleep, with no significant
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decrease in REM or increased sleep fragmentation. - decreases
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_____ in growth hormone (GH) parallels decrease in SW3 (N3) from midlife to late life. -
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Decrease
ll
In late life there is _____ wake at the
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expense of both NREM and REM sleep. - increased ll ll ll ll ll ll ll ll ll ll
ll llHeart rate in REM is ll ll ll ll ll
Regular or irregular - irregular ll ll ll ll ll ll
ll llHeart rate in NREM is ll ll ll ll ll
Regular or irregular ? - Regular ll ll ll ll ll ll ll
ll llRespiratory rate in REM is ll ll ll ll
,Regular or irregular ? - irregular
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Respiratory rate in NREM is
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Regular or irregular ? - Regular
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Blood pressure in REM is
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Regular or variable? - variable
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Blood pressure in NREM is
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Regular or variable? - Regular
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Skeletal muscle tone in REM is
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Preserved or absent? - absent ll ll ll ll ll ll
Skeletal muscle tone in NREM is
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Preserved or absent? - Preserved ll ll ll ll ll ll
Brain 02 consumption in REM is
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Reduced or increased? - increased
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Brain 02 consumption in NREM is
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Reduced or increased? - Reduced
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Response to Co2 in REM is
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Same as W or depressed? - depressed
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Response to Co2 in NREM is
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Same as W or depressed? - Same as W
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Response to O2 in REM is
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Same as W or depressed? - Same as W
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Response to O2 in NREM is
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, Same as W or depressed? - Same as W
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ll llPenile tumescence, vaginal engorgement in REM is
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Infrequent or frequent? - frequent ll ll ll ll ll ll
ll llPenile tumescence, vaginal engorgement in NREM is
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Infrequent or frequent? - Infrequent ll ll ll ll ll ll
ll lltemperature in REM is ll ll ll
Homeothermic or poikilothermic? - poikilothermic ll ll ll ll ll ll
ll lltemperature in NREM is ll ll ll
Homeothermic or poikilothermic? - Homeothermic ll ll ll ll ll ll
ll llProcess C or Process S? ll ll ll ll
a longer time awake, the drive for steep (sleep need) builds up emonentiaily, and
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dissipates over the course of steep - Process S
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ll llProcess C or Process S? ll ll ll ll
SWS/N3 decreasing over successive NREM sleep cycles reflects this process, with higher
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N3 after sleep deprivation - Process S
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ll llProcess C or Process S? ll ll ll ll
pacemaker is the suprachiasmatic nucleus (SCN) of the hypothalamus - Process C
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ll llProcess C or Process S? ll ll ll ll
directs the 24-hour ll ll
cycle or endogenous
ll ll
(internal) biological rhythm - Process C ll ll ll ll ll ll ll
ll llProcess C or Process S? ll ll ll ll
Body temperature is a marker - Process C
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ll llProcess C or Process S? ll ll ll ll
cortisol and melatonin are markers - Process C
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