The body's defense and surveillance network of cells and chemicals that fight off bacteria, foreign toxins, and viruses is called the:

A. adrenal system
B. parasympathetic division
C. hypothalamus
D. immune system


Answer: D

Psychology

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Despite patient H.M.'s severe amnesia, what was he nevertheless able to learn?

a. The names of the people he met b. New motor skills c. The meanings of new words d. Historical facts

Psychology

Which model encourages U.S. minority groups to draw from their own cultural identities while integrating themselves into the dominant culture?

A. pluralistic society model B. bicultural identity model C. multicultural model D. cultural assimilation model

Psychology

From ages 3 to 7, Julian is highly aggressive-he gets into fights at school constantly, and he has been expelled from school several times. Based on longitudinal research, Julian is more likely than average to experience __________.

A. poor psychological adjustment overall B. other children giving in to the aggressive child's wishes C. difficulties in social adjustment and academic achievement D. acceptance by peers

Psychology

"Founders of social psychology" Norman Triplett and Max Ringelmann both performed research that examined

a. the influence groups exert on their members. b. the impact of the presence of others on performance. c. how behaviors are shaped by perceptions. d. the impact of different leadership strategies on group performance.

Psychology