A patient uses a transdermal medicine patch. Which instruction is most appropriate?
Correct answer: A. Apply it to intact, dry skin as prescribed
- A. Apply it to intact, dry skin as prescribed
- B. Place it over a reddened open area
- C. Cut the patch to adjust the dose
- D. Cover it with a heating pad for absorption
Explanation
Transdermal patches should be applied to clean, dry, intact skin according to the prescription. Cutting a patch or applying heat can alter drug release, while damaged skin can increase unpredictable absorption.
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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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