The nurse should set the IV pump to 19mL/hr.
Convert the client’s weight to kilograms: 178 lbs/2.2 kg = 80.90 = 81 kg . Calculate the infusion rate: 12 units/kg/hr (81 kg) = 972 units/hr . Set up a proportion to solve for milliliters per hour: 500 mL/25,000 units = x mL/972 units . Calculate and solve for x : 500(972) = 25,000x . 486,000 = 25,000x . Round down to find the rate: x = 19.44 mL = 19 mL/hr .