Which instruction should the nurse give about a medicine prescribed at regular intervals?
Correct answer: B. Take doses at evenly spaced times as prescribed
- A. Take every dose together at bedtime
- B. Take doses at evenly spaced times as prescribed
- C. Take the medicine only when symptoms become severe
- D. Double the next dose whenever one dose is late
Explanation
Evenly spaced doses help maintain the medicine within its intended therapeutic range. Taking doses together or doubling a later dose can produce excessive concentrations and adverse effects.
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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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