A child with leukemia is to receive a unit of platelets. The child weighs 33 pounds and the platelets are to be transfused at 10 milliliters per kilogram per hour. The nurse should transfuse the platelets at a rate of how many milliliters per hour? —

Step 1 is to convert the child's weight from pounds to kilograms:. 33 pounds ÷ 2.2 kg/pound = 15 kg. Step 2 is to calculate the total milliliters to be transfused per hour using the ordered rate:. 15 kg × 10 mL/kg/hour = 150 mL/hour. The nurse should transfuse the platelets at a rate of 150 milliliters per hour.