A 5-year-old child with severe dehydration is prescribed lactated Ringer's solution 22 mL/kg as an IV bolus over 20 minutes. The child weighs 44 pounds. How many milliliters should be given?

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Multiple Choice

A 5-year-old child with severe dehydration is prescribed lactated Ringer's solution 22 mL/kg as an IV bolus over 20 minutes. The child weighs 44 pounds. How many milliliters should be given?

Explanation:
Calculate with weight in kilograms and the prescribed mL per kilogram. Convert the child’s weight: 44 pounds is about 44 ÷ 2.2046 ≈ 20 kg. Multiply by 22 mL per kg: 20 × 22 = 440 mL. So the bolus volume is 440 mL. The 20-minute duration affects the rate of administration, not the total amount. Thus the correct amount to give is 440 mL.

Calculate with weight in kilograms and the prescribed mL per kilogram. Convert the child’s weight: 44 pounds is about 44 ÷ 2.2046 ≈ 20 kg. Multiply by 22 mL per kg: 20 × 22 = 440 mL. So the bolus volume is 440 mL. The 20-minute duration affects the rate of administration, not the total amount. Thus the correct amount to give is 440 mL.

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