A patient with a respiratory infection asks the nurse why some antibiotics are prescribed to be given every 12 hours while others have to be taken 4 times per day. What is the nurse's best response?
"Regular doses are given based on the half life of the medication to maintain a therapeutic effect"
"We try to give the next dose of medication only after the last dose is gone"
"The time between medication varies to fit the nurse's schedule"
"We need to vary the times of administration to keep the blood levels fluctuating"
The Correct Answer is A
A. Dosing schedules are based on the medication's half-life to maintain a consistent therapeutic level in the bloodstream.
B. Medications are dosed at intervals to maintain therapeutic levels, not just after the last dose is gone.
C. Dosing schedules are determined by pharmacokinetics, not nurse convenience.
D. Consistent blood levels are usually desired for antibiotics, not fluctuating levels.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Repeating the prescription back to the provider ensures accuracy and is a best practice.
B. Telephone prescriptions should be transcribed into the appropriate medical record or order entry system, not just the nurse's notes. This ensures the prescription is documented correctly and can be acted upon by other healthcare team members.
C. Asking for clarification when the prescription is not understood is crucial to prevent errors.
D. Telephone prescriptions should be signed by the provider as soon as possible to ensure they are valid and have been accurately communicated.
Correct Answer is B
Explanation
A. Children do not necessarily require more frequent dosing; the dosing schedule depends on the medication and the condition being treated.
B. Children have less mature livers and kidneys, affecting drug metabolism and excretion, making them more vulnerable to medication errors and adverse effects.
C. Children do not metabolize all medications more quickly; their metabolism can vary based on age and development.
D. Children may have different rates of urine excretion, but this is not the primary reason for their vulnerability to medication errors.
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