REM behavior disorder results from __________.
A. too much sleep
B. not enough sleep
C. the failure of brain mechanisms to block brain signals to the muscles
D. deterioration of the medial hypothalamus
Answer: C
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What did Jean Piaget call the process by which changes occur in the existing way a child thinks in response to encounters with new stimuli or events?
A. assimilation B. accommodation C. cognition D. schemes
Which statement best describes effective treatment of sleep disorders?
a. Sleep medications are the most effective short- and long-term treatment for sleep disorders. b. Sleep medications can be used for long periods of time to treat severe sleep disorders. c. Cognitive-behavioral techniques are as effective as sleep medication in treating insomnia in the short term, but not in the long run. d. Cognitive-behavioral techniques are as effective as sleep medication in treating insomnia, and they are more effective in the long run. e. Unknown; researchers have yet to investigate and identify the best methods for treating sleep disorders.
Birth control pills are associated with increased risk of heart attack and stroke
a. True b. False Indicate whether the statement is true or false
A simple random sample is one in which _____
a. the sample reflects the population accurately b. every member of the population has an equal chance of being selected for the sample c. both a and b d. none of these