Which of the following statements is most valid?
a. drug tolerance always precedes physical dependence to the drug
b. the development of drug tolerance always indicates physical dependence
c. physical dependence may occur without any observable drug tolerance
d. both a and b above
a
Psychology
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In Hong Kong, the most common method of suicide is
a. jumping from a high place. b. firearms. c. a drug overdose. d. burning up. e. drowning.
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