CCSH Prep with Complete Solutions 100% Verified Latest Updated 2024 16-18 hours per day; sleep is polyphasic. - Correct Answer Newborns 14-15 hours and levels off around that value. Sleep becomes less distributed, with primary sleep at night and nap(s) during the day. - Correct Answer 16 weeks sleep continues to decline; duration is 10-12 hours - Correct Answer ages 2-5 years sleep becomes monophasic; duration about 10 hours - Correct Answer age 10 sleep duration declines sharply to 8-9 hours; circadian phase delay - Correct Answer adolescence, sleep duration is relatively stable around 7-8 hours - Correct Answer adulthood sleep time decreases and a biphasic pattern may re-emerge; circadian phase advance - Correct Answer older age With aging there is a ______ in rhythm amplitude - circadian, endocrine and metabolic - Correct Answer reduction From early adulthood to midlife N3 _____, replaced by N1, N2 sleep, with no significant decrease in REM or increased sleep fragmentation. - Correct Answer decreases _____ in growth hormone (GH) parallels decrease in SW3 (N3) from midlife to late life. - Correct Answer Decrease In late life there is _____ wake at the expense of both NREM and REM sleep. - Correct Answer increased Heart rate in REM is Regular or irregular - Correct Answer irregular Heart rate in NREM is Regular or irregular ? - Correct Answer Regular Respiratory rate in REM is Regular or irregular ? - Correct Answer irregular Respiratory rate in NREM is 1 / 3
Regular or irregular ? - Correct Answer Regular Blood pressure in REM is Regular or variable? - Correct Answer variable Blood pressure in NREM is Regular or variable? - Correct Answer Regular Skeletal muscle tone in REM is Preserved or absent? - Correct Answer absent Skeletal muscle tone in NREM is Preserved or absent? - Correct Answer Preserved Brain 02 consumption in REM is Reduced or increased? - Correct Answer increased Brain 02 consumption in NREM is Reduced or increased? - Correct Answer Reduced Response to Co2 in REM is Same as W or depressed? - Correct Answer depressed Response to Co2 in NREM is Same as W or depressed? - Correct Answer Same as W Response to O2 in REM is Same as W or depressed? - Correct Answer Same as W Response to O2 in NREM is Same as W or depressed? - Correct Answer Same as W Penile tumescence, vaginal engorgement in REM is Infrequent or frequent? - Correct Answer frequent Penile tumescence, vaginal engorgement in NREM is 2 / 3
Infrequent or frequent? - Correct Answer Infrequent temperature in REM is Homeothermic or poikilothermic? - Correct Answer poikilothermic temperature in NREM is Homeothermic or poikilothermic? - Correct Answer Homeothermic Process C or Process S?a longer time awake, the drive for steep (sleep need) builds up emonentiaily, and dissipates over the course of steep - Correct Answer Process S Process C or Process S?SWS/N3 decreasing over successive NREM sleep cycles reflects this process, with higher N3 after sleep deprivation - Correct Answer Process S Process C or Process S?pacemaker is the suprachiasmatic nucleus (SCN) of the hypothalamus - Correct Answer Process C Process C or Process S?directs the 24-hour cycle or endogenous (internal) biological rhythm - Correct Answer Process C Process C or Process S?Body temperature is a marker - Correct Answer Process C Process C or Process S?cortisol and melatonin are markers - Correct Answer Process C Light is a "zeitgeber" (time-giver) True or false? - Correct Answer True Light is a "photoreceptor" (time-giver) True or false? - Correct Answer False Light input is carried along the retinohypothalamic tract (RHT) to the SCN.
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