1. For each definition below, choose the key term that best matches the definition.
a. a medicine that can be obtained only with a
written order from a doctor
b. a term used for a drug or medicine that has a
specific effect on the brain
c. a medicine that is made by a company other
than the company that developed the medicine
d. an unintended and sometimes harmful effect
of a drug
e. condition in which a drug user needs more of
a drug to get the same effect

In a study of a weight loss program, 40 subjects lost a mean of 3.0 lb after 12 months. does the weight loss program have practical significance? a. yes, because the weight loss program worked and the subjects lost a mean of 3.0 lb. b. no, because the mean weight loss of 3.0 lb after one year does not seem to justify the program. c. no, because the sample of 40 subjects was too small to determine if the program was useful. d. yes, because the mean weight loss of 3.0 lb after one year does seems to justify the program.