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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Zestril at 5 mg per tablet is common; strength is the dose per unit, and this matches typical labeling for hypertension management effectively.
Choice B reason: 10 mg is a Zestril strength but not assumed here; without label confirmation, 5 mg is the base unit from prior context, not this option.
Choice C reason: 15 mg isn’t standard for Zestril tablets; it’s a total dose possibility, not a per-tablet strength, mismatching typical medication packaging norms.
Choice D reason: 20 mg exists for Zestril but isn’t the default; 5 mg aligns with the supplied strength in earlier questions, making it the likely label.
Correct Answer is B
Explanation
Choice A reason: Trade names are brand-specific; insurance denial of the brand rules this out, as it’s the costly formulation they won’t cover for the patient.
Choice B reason: Generic drugs, bioequivalent to brands, cost less; insurance favors them, ensuring the same active ingredient and efficacy at a lower price point.
Choice C reason: Chemical names describe molecular structure, not a formulation; they’re not dispensed as drugs, making this irrelevant to insurance or pharmacy.
Choice D reason: Proprietary is synonymous with brand; if insurance denies the brand, this option is also excluded, leaving generic as the viable substitute.
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