Frenchman Michel Siffre has spent months at a time living in caves deep underground without the usual external markers of night and day
He found that without these markers, his sleep cycles tended to
a. stay exactly the same as his sleep cycle at home.
b. get longer with one stay settling into a 48-hour sleep-waking cycle.
c. get shorter with most stays settling into a 20-hour sleep-waking cycle.
d. become erratic with his sleep-waking cycles ranging from a short 20 hours to a longer 36-hour cycle.
ANSWER: b
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Some professionals work in crisis, residential, and case management programs for people with severe forms of disorder, such as schizophrenia. They teach people practical, day-to-day skills that are necessary for living in the community. This field is know
a. clinical co-worker. b. psychosocial rehabilitation. c. marriage and family therapy. d. psychiatric nursing.
For most adults, the cessation of an infant's crying is
a. a sign of hunger. b. readily ignored. c. a negative reinforcer. d. a sign of discomfort. e. a sign of sleepiness.