ATI Dosages by Weight Dosage Calculation 3.0 Dosage by Weight Test with answers passed

ATI Dosages by Weight Dosage Calculation 3.0 Dosage by Weight Test A nurse is preparing to administer epoetin alfa 50 units/kg subcutaneous toa preschooler who weighs 40 lb. Available is epoetin alfa 2,000 units/ml. How many ml should the nurse administer? (Round to the nearest whole number. Use a leading 0 if it applies. Don't use a trailing zero.) - correct answer 2.2 lb/kg = 40 lb -> 18.181818 kg 50 units/kg x 18.181818 kg = 909.090909 units 2,000 units/ml = 909.090909 units -> 0.454545ml ANS: 0.45 ml A nurse is preparing to administer phenytoin 5 mg/kg/day PO divided equally every 12 hr for an infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose? (Round to the nearest whole number. Use a leading 0 if it applies. Don't use a trailing zero.) - correct answer 16 oz/lb x 4 oz = 0.25lb 12 lb + 0.25 lb = 12.25 lb 2.2 lb/kg x 12.25 lb = 5.568181 kg 5 mg/kg x 5.568181 kg = 27.840909 mg 27.840909 mg / 2(Q12H) = 13.920454 mg ANS: 13.9 mg