Tomas has sickle-cell anemia. You just learned that sickle-cell anemia is an evolutionary defense against what disease?

A. sickle-cell trait
B. malaria
C. smallpox
D. Nile fever


Answer: B

Psychology

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Morticia finds that whenever she talks to her daughter about her obnoxious behavior, the obnoxious behavior increases in frequency. Apparently, Morticia's talks are ____ her daughter's obnoxious behavior

a. punishing b. reinforcing c. suppressing d. having no effect on

Psychology

Persistent, uncontrollable thoughts and urges are called:

a. obsessions b. compulsions c. interjections d. genuflections

Psychology

Alexandra is able to concentrate on her homework even though her house is very noisy. She is exhibiting ______ to her studying

Fill in the blank with correct word

Psychology

What was unique about the work of Pavlov and his students in studying the digestive system of dogs?

a. Pavlov pioneered surgical techniques to collect data on how dogs digested their food in real time. b. Pavlov pioneered the use of chemical analysis of animal excrement to understand digestion. c. Pavlov and his students initiated the extension of temperament types to the quality of digestion in dogs. d. Pavlov and his students successfully preserved the bodies of deceased dogs to analyze the contents of their digestive systems.

Psychology