Which statement is correct regarding brain development and aging?
A. The brain becomes smaller but denser and more efficient over time.
B. The brain grows, taking up double the amount of space between the brain and the skull.
C. The structure, function, and number of neurons in the brain are significantly reduced.
D. Blood flow to the brain is reduced within the brain, and less glucose and oxygen are used.
Answer: D
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Which statement about youth sports is true? a. Participating in sports and cheerleading seems to significantly decrease involvement in delinquent behaviors. b. When teens find a sport "stressful," they tend to compensate with greater effort
c. The greatest benefit of involvement is found with coaches who rely heavily on criticism and punishment. d. Sports involvement can lead to improved self-esteem.
Which of the following describes workplace strategies?
a. their effectiveness is rarely measured b. most programs focus on primary rather than secondary prevention c. they are widespread d. all of these
The intercept is the change in y for a change in x of one unit
a. True b. False Indicate whether the statement is true or false
Research on pheromones indicates they:
a. greatly increase sexual desire in both animals and humans b. increase sexual desire in animals, but there is no strong evidence they effect humans c. increase sexual desire in humans, but not in other animals d. have no major effect on the sexual desire of animals or humans