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Pharmacological and Parenteral Therapies · Calculation · Take action

An IV antibiotic in 100 mL of 0.9% sodium chloride is to infuse over 30 minutes. At what rate should the nurse set the pump?

mL/hr

Show answer and rationale

Answer: 200 mL/hr

100 mL ÷ 0.5 hr = 200 mL/hr.

Source: Pickar. Dosage Calculations (IV piggyback rates)

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This question is one of 182 Pharmacological and Parenteral Therapies items in NCLEXSim. On the NCLEX-RN, this category makes up 13–19% of the exam.

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Study tip
  • Learn high-alert drugs by their hold parameters and antidotes: digoxin, warfarin (vitamin K), heparin (protamine), opioids (naloxone), insulin, potassium.
  • Do 10 dosage calculations a day: tablets, liquids, mL/hr, gtt/min, mg/kg, and units/hr. Convert units first, round last.

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