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Discussion

Which one of the following statements is not correct?

  • A.Pharmacology is the study of drugs.
  • B.Pharmacotherapy is the treatment of diseases with medicines.
  • C.Pharmacokinetics describes the chemical composition and formulations of drugs.
  • D.Pharmacodynamics is the study of the mechanism of action of a drug.

Answer: C

The incorrect statement is that pharmacokinetics describes the chemical composition and formulations of drugs.

Pharmacokinetics is the study of what the body does to a drug: its absorption, distribution, metabolism and excretion. The chemical composition and formulation of drugs is the subject of pharmaceutical chemistry and pharmaceutics (pharmacy).

The other three are correct: pharmacology is the study of drugs, pharmacotherapy is treatment of disease with medicines, and pharmacodynamics is the study of what a drug does to the body, its mechanism of action.

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