In some cases, repeated use of a drug leads to pharmacodynamic tolerance, which is based on
A. altered liver function.
B. learning.
C. reduced sensitivity of neurons.
D. slower metabolism.
C
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The normal distribution is bimodal and symmetric
Indicate whether the statement is true or false
Research on aggressiveness has shown that ________
a. male aggression is more likely within cultures based on agriculture. b. men who depend on herding for survival tend to foster cooperative strategies. c. male aggression results more from cultural factors than biological ones. d. men develop a culture of honor when their livelihoods are based on agriculture.
Newborns show preference for which of the following?
a. sounds that are very low in pitch c. They show no preferences b. their father's voice d. their mother's voice
A string of Christmas lights turns on and off one after another but is perceived as a
moving light. This perception is known as a. motion parallax. b. the phi phenomenon. c. saccadic movement. d. the Doppler effect. e. illusory conjunction.