A competitive diver approaches the end of the board with a rapidly beating heart and a dry mouth, a result of increased
a. adrenaline.
b. dopamine.
c. cortisone.
d. endorphins.
A
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In a grouped frequency distribution, one interval is listed as 50-59 . Assuming that the scores are measuring a continuous variable, what are the real limits for this interval?
a. 50 and 59 c. 49.5 and 59.5 b. 50.5 and 59.5 d. 49.5 and 60.5
The relatively stable characteristics of a child's response to the environment including activity level, sociability, and emotionality are called
a. temperament. b. reflexes. c. attachment. d. personality.
Alex has erectile disorder, and has not responded to any of the drugs containing sildenafil. He is unwilling to have surgery, so his doctor suggests
a. implants. b. Viagra. c. a vacuum system. d. the stop-start procedure.
In the context of the "three Rs" of animal research, replacement refers to ____
a. avoiding the use of irreversible procedures b. identifying less painful procedures c. using computer models if possible d. ensuring that animals are only used in one experiment