Chemicals released by the immune system that attack infections and communicate with the brain to elicit anti-illness behaviors are ____

a. macrophages
b. cytotoxic cells
c. cytokines
d. natural killer cells


c

Psychology

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Psychology's intellectual parents are the disciplines of

a. physics and physiology. b. philosophy and physiology. c. chemistry and physics. d. philosophy and chemistry.

Psychology

People's traits become more ingrained as they age.

Answer the following statement true (T) or false (F)

Psychology

What percentage of unintended pregnancies are due to the failure to use contraceptives, or to use contraceptives correctly?

A. 25 percent B. 40 percent C. 70 percent D. 95 percent

Psychology

Regarding the sociocultural view of cognitive development, which of the following statements is FALSE?

a. According to the sociocultural view, it is not enough for children to learn how to think, they must also learn specific intellectual skills valued by their culture. b. Vygotsky believed that children actively seek to discover new principles with many of their most important "discoveries" being guided by skillful tutors. c. When a child is close to having the mental skills needed to do the task, but requires help to accomplish the task, Vygotsky called this the zone of assimilation. d. Children can make rapid progress if they receive sensitive guidance from a skilled partner through scaffolding.

Psychology