The patient has Levaquin 500 mg ordered once daily. The Levaquin is available in 100 mL of NS and should infuse over 1 hour. Using tubing with a 60 gtt/mL drop factor, how many drops per minute should the Levaquin be infused?
60 gtts/min
100 gtts/min
120 gtts/min
200 gtts/min
The Correct Answer is B
Choice A reason: 60 gtts/min assumes 100 mL in 100 minutes; this underestimates the 1-hour order, delivering Levaquin too slowly, risking subtherapeutic antibiotic levels.
Choice B reason: 100 gtts/min is correct; 100 mL over 1 hour (60 min) with 60 gtts/mL equals 6000 gtts total, divided by 60 minutes matches the ordered rate.
Choice C reason: 120 gtts/min overestimates; it implies 100 mL in 50 minutes, infusing too fast, potentially causing Levaquin-related side effects like tachycardia or irritation.
Choice D reason: 200 gtts/min is excessive; 100 mL in 30 minutes doubles the rate, risking toxicity or infusion reactions, far exceeding the 1-hour prescription safely.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Recording at shift’s end risks memory errors or omissions; delayed documentation compromises accuracy and legal accountability for controlled substances and patient care.
Choice B reason: Pharmacy technicians don’t administer drugs; nurses document their own actions, ensuring responsibility and precision in the medication administration record.
Choice C reason: Immediate recording post-administration ensures accuracy, timeliness, and compliance with standards; it reflects real-time events, reducing errors in patient care documentation.
Choice D reason: Recording others’ actions is inaccurate and unethical; nurses must document only their administrations, maintaining individual accountability and patient safety.
Correct Answer is B
Explanation
Choice A reason: 1 mL gives 50 mg; this underdoses the 75 mg order, reducing Vistaril’s sedative effect, risking inadequate anxiety relief for the patient.
Choice B reason: 1.5 mL is correct; 75 mg divided by 50 mg/mL equals 1.5 mL, delivering the precise IM dose for effective anxiolytic action safely.
Choice C reason: 2 mL provides 100 mg; this overdoses Vistaril, risking excessive sedation or hypotension, exceeding the ordered therapeutic amount unnecessarily.
Choice D reason: 2.5 mL yields 125 mg; this far exceeds 75 mg, amplifying side effects like drowsiness or respiratory depression, unsafe for anxiety management.
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