Hesi RN exit proctored exam
Calculation
The healthcare provider prescribes dalteparin 200 units/kg SUBQ once a day for a client who weighs 154 lb. The medication is available in 25,000 units/mL vial. How many mL should the nurse administer? (Enter numerical value only. If rounding is required, round to the nearest tenth.)
mL
Explanation & Rationale
Rationale: Convert the client's weight from pounds (lb) to kilograms (kg). Weight in kg = 154 lb / 2.2 lb/kg = 70 kg. Calculate the total desired dose in units. Desired dose (units) = Desired dose (units/kg) × Weight (kg) = 200 units/kg × 70 kg = 14000 units. Available concentration of the medication = 25,000 units/mL. Calculate the volume in milliliters (mL) to administer. Volume (mL) = Desired dose (units) / Available concentration (units/mL) = 14000 units / 25000 units/mL = 0.56 mL. Round the answer to the nearest tenth. = 0.6.
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