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.)
The Correct Answer is ["0.6"]
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Explanation
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