What are the two key biological differences that determine the kinds of work that men and women can perform in a pre industrial economy?
a) Childbearing capability and physical size
b) Cognitive capacity and physical size
c) Cognitive capacity and childbearing capability
d) Cognitive capacity and physical health
Answer: a
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Regarding the experiments using intracranial self-stimulation of the pleasure centers, which of the following statements is FALSE?
a. When given the choice, rats preferred food, water, or sex to pressing the bar to receive brain stimulation. b. Some of the rats constantly pressed the lever to get brain stimulation for 15 to 20 hours, collapsing from exhaustion. c. Psychoactive drugs, such as alcohol and cocaine, activate the same pleasure pathways that are activated by intracranial self-stimulation. d. Humans have been "wired" for brain stimulation experimentally to restrain uncontrollable outbursts of violence.
Physiologically, with mild unpleasant stimulation, the sympathetic division of the autonomic nervous system is more active, and with mild, pleasant stimulation, the parasympathetic division is more active
a. true b. false
Depression, or depression alternating with mania, is classified as a somatoform disorder
a. true b. false
Most parents can generally distinguish between the different types of cries their infants at ____ month(s)
a. 1 b. 2 c. 3 d. 4