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The nurse is caring for a client receiving a continuous infusion of heparin. The label reads 25,000 units of heparin in 500 mL of Dextrose 5% in water (D5W). The client is receiving 1,250 units per hour. How many milliliters (mL) did the client receive in an eight-hour shift? Fill in the blank.
Correct Answer: 400 mL
Rationale: Calculate mL/hr: (1250 units/hr ÷ 25,000 units) × 500 mL = 25 mL/hr. For 8 hours: 25 mL/hr × 8 hr = 400 mL.
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The primary healthcare provider (PHCP) prescribes 500 mg of intravenous (IV) metronidazole to be administered over thirty minutes. The pharmacy supplies the medication in a bag labeled 500 mg of metronidazole in 100 mL of 0.9% saline. How many mL/hour should the nurse administer to the client? Fill in the blank.
Correct Answer: 200 mL/hr
Rationale: Convert 30 minutes to 0.5 hours. Flow rate: 100 mL ÷ 0.5 hr = 200 mL/hr.
A nurse is preparing to administer gentamicin to a child. The order is for 3 mg/kg IV daily in three divided doses. The client weighs 44.1 kg (97.02 lbs). How many milligrams should the nurse administer per dose? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 44 mg
Rationale: Calculate total daily dose: 3 mg/kg × 44.1 kg = 132.3 mg. Divide by 3 doses: 132.3 mg ÷ 3 = 44.1 mg, rounded to 44 mg.
The primary healthcare provider (PHCP) prescribes a bolus of regular insulin prior to the nurse administering a continuous infusion. The prescription is for 0.1 units/kg. The client weighs 116.36 kg (255.99 lbs). How many units of insulin should the nurse administer to the client? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 12 units
Rationale: Calculate: 0.1 units/kg × 116.36 kg = 11.636 units, rounded to 12 units.
The primary health care provider (PHCP) prescribes ondansetron 0.15 mg/kg IV to a pediatric client who weighs 18.18 kg (39.99 lbs). The medication label reads 2 mg/mL. How many milliliters will the nurse administer to the client? Fill in the blank. Round your answer using 1 decimal place.
Correct Answer: 2.7 mL
Rationale: Calculate dose: 0.15 mg/kg × 18.18 kg = 2.727 mg. Convert: 2.727 mg ÷ 2 mg/mL = 1.3635 mL, rounded to 2.7 mL.
The nurse is caring for a client prescribed IV heparin. The client is prescribed 15 units/kg/hr. The client weighs 115.9 kg (254.8 lbs). The heparin is labeled with 25,000 units in 250 mL of D5W. How many mL/hr should this client receive? Fill in the blank. Record your answer using a whole number.
Correct Answer: 17 mL/hr
Rationale: Calculate dose: 15 units/kg/hr × 115.9 kg = 1738.5 units/hr. Flow rate: (1738.5 units/hr ÷ 25,000 units) × 250 mL = 17.39 mL/hr, rounded to 17 mL/hr.