1. When you are sleeping, there is:

awareness of all external stimuli
selective awareness of external stimuli
no awareness of any stimuli
none of the above

2. In physiological functioning, periodic fluctuations are called:

somatic rhythms
brain wave activity
biological rhythms
muscular activity

3. The slowest brain wave occurs during what stage of sleep?

REM
stage 3
stage 5
stage 4

4. __________ hormone is involved in the regulation of your biological clock.

melatonin
adrenaline
pons
medulla

5. When we sleep, we spend more time:

in NREM sleep
in stage 3 sleep
in REM sleep
in stage 4 sleep

6. When does dreaming occur the most?

toward the end of the sleep
toward the beginning of the sleep
in the middle of the sleep
equal throughout all stages of sleep

7. In adulthood, which stage of sleep starts to decline?

stage 1
stage 4
REM
slow wave

8. Heather has trouble staying awake. This is a form of __________.

sleep apnea
insomnia
narcolepsy
all of the above

9. If a sexually frustrated person was having erotic dreams, Sigmund Freud would have contributed this to what principle?

wish fulfillment
sexual gratification
manifest content
personal misfortune

10. Which of the following are considered stimulants?

cocaine
nicotine
amphetamines
all of the above

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