Suppose you fell into a cave and lost your watch. Without any time cues, your circadian rhythm would ____.
A. increase dramatically over time
B. cease to exist
C. decrease over time
D. remain relatively stable
Answer: D
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We use the chi-square test for relationships between ______ measured on nominal and ordinal scales.
A. ordinal variables B. nominal variables C. categorical variables D. ratio variables
According to research done on sleep restriction, if one misses an entire night's sleep, it is best to
a. sleep late the next morning. b. nap during the day for more than an hour. c. restrict sleep to normal bedtime hours. d. go to bed early the following night.
Medical problems are more common as people age. What issue does this raise for physicians and therapists who care for aging patients?
A) Medical ailments must be cured before psychological difficulties can be assessed. B) Many medical diseases and treatments create symptoms that mimic psychological disorders. C) Psychological disorders, unless very severe, are less significant for patients than medical problems. D) Treating medical problems often leaves patients with no funds for therapy.
Which of the following was considered to be clear signs of death 30 years ago?
A. the end of certain biological functions such as breathing B. the lack of response to sensory stimuli C. the end of electrical activity in the brain D. a flat EEG (electroencephalogram) reading for a specified period of time