Answer the following statements true (T) or false (F)
1. The deepest stage of sleep is stage 4 and is associated with delta-wave activity
2. Sleepers awakened during REM sleep report having dreams much more often than those awakened during non-REM periods
3. The proportion of time spent in stage 4 sleep decreases over the course of a night
4. REM sleep always begins immediately after stage 4 sleep
5. Over the course of a lifetime, humans require about 2 hours of sleep for every 1 hour awake
1. True
2. True
3. True
4. False
5. False
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Most philosophers beginning with Aristotle commonly believed that all knowledge is ____
a. gained through sensory experience b. innate or inborn c. built upon from simple schema present at birth d. acquired by integrating environmental cues with innate skills
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A) acetylcholine B) norepinephrine C) dopamine D) amphetamine
During the second trimester, a white, cheeselike substance called __________ emerges on the skin
A) lanugo B) corpus luteum C) vernix D) chorion
"Dementia praecox" is a term used to describe the dementia found among the elderly who suffer from schizophrenic disorder
Indicate whether the statement is true or false