The body responds to the presence of antigens by:
A) producing more insulin through the pancreas.
B) burning fewer calories than usual.
C) coordinating appropriate muscular responses.
D) generating specialized proteins, or antibodies.
D
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What method did researchers use so that an observer would be conscious of a visual stimulus on some trials and not conscious of the same stimulus on other trials?
a. They presented the stimulus sometimes during wakefulness and sometimes during sleep. b. They gave the observer drugs that block activity in the visual cortex. c. They presented masking stimuli before and after the stimulus. d. They asked the observer sometimes to pretend not to see the stimulus.
According to a study of young adults by Peterson, Maier, & Seligman in 1993, when optimists did get sick, they were more likely to:
a. recover slowly compared with a pessimist. c. be unable to cope with pain. b. be active and not take enough rest. d. consult a physician.
Chico believes that people do not display consistent behavioral tendencies across situations. Chico is on the __________ side of an enduring debate between personality psychologists and social psychologists.
A. situation B. nature C. nurture D. person
Oliver, a 4-month-old infant, is shown pictures of flowers repeatedly as a part of a research study. The researcher then showed him a picture of a cow. Oliver looked longer at the picture of the cow than he did to the last flower picture. What can the researcher conclude?
A. Oliver assimilated to the picture of the cow. B. Oliver can categorize objects into a common class. C. Oliver prefers pictures of cows over pictures of flowers. D. Oliver has seen a picture of a cow before.