Regarding sex as a biological motive, which of the following statements is/are TRUE?
a. Sex is necessary for individual survival.
b. Sex is necessary for group survival.
c. The human sex drive is largely homeostatic.
d. All of these statements are true.
B
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Kandel's research on Aplysia has shown that the habituation of the gill withdrawal response
A) is caused by a decrease in the sensitivity of the motor neurons to transmitter released by the sensory neurons B) is caused by a decrease in the amount of transmitter released by the sensory neurons C) is caused by an increase in the amount of transmitter released by the sensory neurons D) is caused by an increase in the activity of interneurons
Burt is a child of an alcoholic father and mother with a history of depressive episodes. Yet he has a neighbor who has spent time teaching him to fish and to play chess, and in school Burt has shown a talent for math, which his teachers encourage. His skills and the supportive adults are examples of:
a. risk factors. b. indicated preventive measures. c. developmental assets. d. both "b" and "c"
In the U.S. in 2007, firearms were the main means used in
a. under 12 percent of completed suicides b. approximately 23 percent of completed suicides c. 35 percent of completed suicides d. over half of all completed suicides e. 69 percent of completed suicides
A professional who would study how stress affects the heart is a(n) _____ psychologist
a. environmental b. health c. clinical d. I/O