51. REM sleep, or ‘active sleep’ constitutes what percentage of a normal night’s sleep in adults?
a) 45-50%
b) 20-25%
c) 5-10%
d) 65-70%
52. Professor Cimmerian is talking to her class about some of the characteristics of early humans. She has brought up the notion that sleep initially was engaged in largely as a function of safety and served to keep early peoples safe from predators. This describes the __________ theory of sleep.
a) microsleep
b) circadian
c) restorative
d) threshold
53. When awakened from REM sleep, __________ report dreaming.
a) 80%
b) 20%
c) 40%
c) 100%
54. REM behavior disorder results from __________
a)too much sleep.
b)not enough sleep.
c)failure of the brain to adequately paralyze the muscles during REM sleep.
d)deterioration of the medial hypothalamus.
– What is the progression of NREM stages and REM sleep in a typical night of sleep?
55. How many stages are in REM sleep?
a) one
b) two
c) three
d) four
56. How many stages are there in NREM sleep?
a) three
b) four
c) one
d) two
57. Which statement is true of sleep cycles in normal sleep?
a) They last about 90 minutes, have 1 or more stages of NREM sleep followed by REM sleep.
b) They last about 90 minutes and each consists of 1 or more stages of REM sleep.
c) They last about 60 minutes, have 1 stage of NREM sleep followed by REM sleep.
d) They last about 90 minutes and each consist of REM sleep followed by 4 stages of NREM sleep.
58. Periods of REM sleep alternate with periods of non-REM sleep in a cycle that recurs about every
__________ minutes or so.
a)30
b)90
c)150
d)210
59. You see an advertisement for a method of learning a foreign language that seems simple—just put on a tape and fall asleep. The accompanying description cites proof that people can learn while asleep. Being a good psychological detective, what question would you ask about the offered proof?
a)Did the individuals actually dream about the foreign language?
b)What did the EEG indicate about the participants’ level of sleep?
c)Did the researchers use only long sleepers who would spend more time with the tapes?
d)Were study breaks included in the tape to provide greater comprehension of the material?
60. You are watching sleep researchers monitor the sleep of a normal adult. The participant is
hooked up to an EEG. What brain waves would you observe as the person becomes drowsy and then
enters the first stage of sleep?
a)alpha eventually replaced by delta
b)delta eventually replaced by theta
c)alpha eventually replaced by irregular
d)delta eventually replaced by beta
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