CCSH- Exam Questions With Complete Solutions

CCSH- Exam Questions With Complete Solutions


16-18 hours per day; sleep
is polyphasic. - 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. - ANSWER 16 weeks

sleep continues to decline; duration is 10-12 hours - ANSWER ages 2-5 years

sleep becomes monophasic; duration about 10 hours - ANSWER age 10

sleep duration declines sharply to 8-9 hours; circadian phase delay - ANSWER
adolescence,

sleep duration is relatively
stable around 7-8 hours - ANSWER adulthood

sleep time decreases and a biphasic pattern may re-emerge; circadian phase
advance - ANSWER older age

With aging there is a ______ in rhythm amplitude - circadian, endocrine and
metabolic - ANSWER reduction

From early adulthood to midlife N3 _____, replaced by N1, N2 sleep, with no
significant decrease in REM or increased sleep fragmentation. - ANSWER
decreases

_____ in growth hormone (GH) parallels decrease in SW3 (N3) from midlife to late
life. - ANSWER Decrease

In late life there is _____ wake at the
expense of both NREM and REM sleep. - ANSWER increased

Heart rate in REM is

Regular or irregular - ANSWER irregular

Heart rate in NREM is

Regular or irregular ? - ANSWER Regular

Respiratory rate in REM is


Regular or irregular ? - ANSWER irregular

,Respiratory rate in NREM is

Regular or irregular ? - ANSWER Regular

Blood pressure in REM is

Regular or variable? - ANSWER variable

Blood pressure in NREM is

Regular or variable? - ANSWER Regular

Skeletal muscle tone in REM is

Preserved or absent? - ANSWER absent

Skeletal muscle tone in NREM is


Preserved or absent? - ANSWER Preserved

Brain 02 consumption in REM is

Reduced or increased? - ANSWER increased

Brain 02 consumption in NREM is


Reduced or increased? - ANSWER Reduced

Response to Co2 in REM is

Same as W or depressed? - ANSWER depressed

Response to Co2 in NREM is

Same as W or depressed? - ANSWER Same as W

Response to O2 in REM is

Same as W or depressed? - ANSWER Same as W

Response to O2 in NREM is

Same as W or depressed? - ANSWER Same as W

Penile tumescence, vaginal engorgement in REM is

Infrequent or frequent? - ANSWER frequent

, Penile tumescence, vaginal engorgement in NREM is

Infrequent or frequent? - ANSWER Infrequent

temperature in REM is

Homeothermic or poikilothermic? - ANSWER poikilothermic

temperature in NREM is

Homeothermic or poikilothermic? - 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 - 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 - ANSWER Process S

Process C or Process S?

pacemaker is the suprachiasmatic nucleus (SCN) of the hypothalamus - ANSWER
Process C

Process C or Process S?

directs the 24-hour
cycle or endogenous
(internal) biological rhythm - ANSWER Process C

Process C or Process S?

Body temperature is a marker - ANSWER Process C

Process C or Process S?

cortisol and melatonin are markers - ANSWER Process C

Light is a "zeitgeber" (time-giver)

True or false? - ANSWER True

Light is a "photoreceptor"

True or false? - ANSWER False

Light input is carried along the retinohypothalamic tract (RHT) to the SCN.