Dosage Calculation Dosage by Weight
Questions & Answers
1. a nurse is preparing to administer potassium gluconate (kaon) 2mEq/kg PO
every 12 hr to a child who weighs 50 lb. how many mEq should the nurse
administer per dose? (round to tenth)
Answer 45.4
50/2.2 = 22.7
2 * 22.7 = 45.45
2. a nurse is preparing to administer erythromycin ethylsuccinate (EryPed) 50
mg/kg/day PO divided in equal doses every 6 hr to a toddler who weighs 32 lb.
available is erythromycin ethylsuccinate suspension 200 mg/5 ml. how many
ml should the nurse administer per dose?
Answer 4.5
/2.2 = 14.5
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14.5 * 50 = 725
725/200*5 = 4.5
3. a nurse is preparing to administer amoxicillin (amoxil) 25 mg/kg/day PO di-
vided in equal doses every 8 hr to a preschooler who weighs 43 lb. available is
amoxicillin suspension 250 mg/5 ml. how many ml should the nurse administer
per dose? (tenth)
Answer 3.3
43/2.2 = 19.5
19.5*25 = 488.6
488.6/250*5 = 9.8
9.8/3 = 3.3
4. a nurse is preparing to administer epoetin alfa (Epogen) 50 units/kg sub-
cutaneous to a preschooler who weighs 40 lb. Available is epoetin alfa 2,000
units/ml. how many ml should the nurse administer? (hundredth)
Answer 0.46
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