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 C
Explanation
A. "Client assisted OOB, instructed to splint ABD" is clear and uses standard abbreviations (OOB: out of bed, ABD: abdomen).
B. "Urine collected for UA and C & S" is clear and uses standard abbreviations (UA: urinalysis, C & S: culture and sensitivity).
C. "Prescription received for MSO4 4.0 mg PRN pain" is problematic because "MSO4" is an ambiguous abbreviation that can be confused with other medications. It should be written as "morphine sulfate" for clarity. Additionally, the trailing zero in "4.0 mg" can lead to dosing errors; it should be written as "4 mg."
D. "12 units of regular insulin administered subcut" is clear and uses standard terminology (subcut: subcutaneous).
Correct Answer is C
Explanation
A. Asking patients their names can help, but it is not the most reliable method, especially if patients are confused or unable to communicate.
B. Asking another nurse about their identities can introduce errors and is not a standard practice for patient identification.
C. Checking the patients' ID bands and patient information ensures accurate identification using multiple identifiers (e.g., name, birth date, medical record number), adhering to best practices for patient safety.
D. Verifying names with family members can be helpful but is not as reliable or standardized as checking ID bands and patient information.
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