Which of the Following Is True of Drug Interactions

Multiple Choice

Which of the following is true of drug interactions?

A) Synergistic interactions occur when the various drugs combine to increase the intensity, number, or duration of the separate drug effects.
B) Knowledge of the separate drug effects does not accurately predict the resultant synergistic interactions.
C) Physiological antagonism in drug interactions can occur when separate drugs compete for the same receptor.
D) Pharmacological antagonism in drug interactions can occur when separate drugs chemically combine to neutralize each other.