Which statement best describes pharmacodynamics?
Correct answer: C. It describes the effects and actions of drugs
- A. It describes the movement of drugs through the body
- B. It describes the breakdown of drugs in the liver
- C. It describes the effects and actions of drugs
- D. It describes the removal of drugs by the kidneys
Explanation
Pharmacodynamics explains how a drug produces its effects, including receptor actions and dose response. Absorption, metabolism and excretion are pharmacokinetic processes, not pharmacodynamic processes.
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About Principles of Pharmacology
Pharmacology examines drug sources, names, dosage forms, mechanisms of action, absorption, distribution, metabolism and excretion. Questions cover pharmacokinetics versus pharmacodynamics, therapeutic effects, adverse reactions, contraindications, drug interactions, tolerance, dependence and the safety responsibilities of the nurse.
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