Which statement does not support the repair theory's attempt to explain why we sleep?
A. during sleep the secretion of growth hormone increases
B. during sleep there is an increase in the body's release of immune cells
C. during wakefulness there is a decline in the brain's energy stores
D. sleep protects us from dangers that we cannot see at night
Answer: D
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Which statement best describes the relationship between the central nervous system and the peripheral nervous system?
a. The central nervous system carries out the commands; the peripheral nervous system is the command center. b. The central nervous system is the command center; the peripheral nervous system carries out the commands. c. The central nervous system consumes the fuel; the peripheral nervous system is the fuel station. d. The central nervous system is the fuel station; the peripheral nervous system consumes the fuel.
Ebbinghaus measured forgetting as a function of retention interval and found that
a. forgetting is very slow at first but then speeds up. b. forgetting is rapid at first and the levels off. c. the amount of forgetting decreases steadily with retention interval. d. the amount of forgetting remains constant across all retention intervals.
If one or both biological parents have schizophrenia, we can conclude that their child will
A. not develop the disorder as long as he or she is raised in a separate environment. B. definitely develop the disorder regardless of the environment. C. have a greater than average risk of developing the disorder in response to an environmental trigger. D. develop the disorder at a much younger age than another child who develops the disorder but has no family history of schizophrenia.
Which factor is likely to move gender roles in traditional cultures in the same direction as those in developing countries?
a) the expansion of technology b) the expansion of economic development c) adoption of Western values d) exploding population growth