Which patient finding is most important for the nurse to report before administering a drug with a narrow therapeutic index?
Correct answer: C. The patient has a new prescription for another drug
- A. The patient prefers tablets over capsules
- B. The patient missed breakfast before the dose
- C. The patient has a new prescription for another drug
- D. The patient reports mild thirst after walking
Explanation
Drugs with a narrow therapeutic index have a small difference between effective and toxic concentrations, so interactions can cause harm. A new medication may alter the drug level and should be checked before administration.
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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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