Ati rn dosage calculation med surg Proctored exam
Calculation
A nurse is preparing to administer ondansetron 0.15 mg/kg IV to a client who weighs 132 lb. Available is ondansetron 2 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
mL
Explanation & Rationale
Calculation: Convert the client’s weight from pounds to kilograms Weight = 132 ÷ 2.2 ≈ 60 kg Calculate the ordered dose in mg Ordered Dose = 0.15 × 60 Ordered Dose = 9 mg Identify the available concentration Available Concentration: 2 mg/mL Calculate the volume to administer Volume to administer = Ordered Dose ÷ Concentration Volume to administer = 9 ÷ 2 = 4.5 mL
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