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The nurse is caring for a client prescribed IV heparin. The client is prescribed 18 units/kg/hr. The client weighs 111.8 kg (245.96 Ibs). 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. Round to the nearest whole number.
Correct Answer: 20 mL/hr
Rationale: Calculate dose: 18 units/kg/hr × 111.8 kg = 2012.4 units/hr. Flow rate: (2012.4 units/hr ÷ 25,000 units) × 250 mL = 20.12 mL/hr, rounded to 20 mL/hr.
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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.
A nurse is preparing to administer vancomycin to a child. The order is for 50 mg/kg/day in three divided doses. The client weighs 13 kg (28.6 lbs). The medication label indicates vancomycin 500 mg in 100 mL of 0.9% saline. How many mL will the nurse administer per dose? Fill in the blank. Round your answer to the nearest whole number.
Correct Answer: 43 mL
Rationale: Calculate daily dose: 50 mg/kg × 13 kg = 650 mg. Per dose: 650 mg ÷ 3 = 216.67 mg. Convert: (216.67 mg ÷ 500 mg) × 100 mL = 43.33 mL, rounded to 43 mL.
The nurse is calculating intake for a client. The client received: ,¢ Two 100 mL intravenous antibiotics ,¢ Two eight-ounce cups of ice ,¢ One eight-ounce cup of coffee ,¢ Three eight-ounce cups of water. The nurse should document the client's total intake as how many mL? Fill in the blank.
Correct Answer: 1160 mL
Rationale: Convert ounces to mL: 8 oz = 240 mL. Ice counts as half volume: 240 mL ÷ 2 = 120 mL per cup. Total: 200 mL (antibiotics) + 240 mL (2 cups ice) + 240 mL (coffee) + 720 mL (3 cups water) = 1160 mL.
The primary healthcare provider orders methylprednisolone 1.6 mg/kg for a child weighing 30.4 kg (66.8 lbs). The label on the medication reads 500 mg/4 mL. How many milliliters (mL) should the nurse administer? Fill in the blank. Round your answer using 1 decimal place.
Correct Answer: 0.4 mL
Rationale: Calculate dose: 1.6 mg/kg × 30.4 kg = 48.64 mg. Convert: (48.64 mg ÷ 500 mg) × 4 mL = 0.39 mL, rounded to 0.4 mL.
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.