When the pharmacological effects of one drug are potentiated or diminished by another drug, it is called a:
a. drug interaction. c. physical incompatibility.
b. chemical incompatibility. d. biotransformation.
ANS: A
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A Correct: This is the definition of drug interaction, which can be synergistic (potentiate the effects) or antagonistic (diminish the effects).
B Incorrect: Chemical incompatibility involves conflicting drug actions that usually change the appearance of the mixture.
C Incorrect: Physical incompatibility means the physical properties result in conflicting drug actions.
D Incorrect: This refers to the metabolism of the drug.
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