DOSAGES BY WEIGHT COMPREHENSIVE
EXAM WITH VALIDATED ANSWERS.
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a
preschooler who weighs 20 kg. Available is tobramycin injection 40 mg/ml.
How many ml should the nurse administer per dose?
(Round to the nearest whole number.) - CorreCt Answers -2.5 mg/kg x 20
kg = 50 mg
40 mg/ml x 50 mg = 1.25 ml
ANS: 1.3 ml
A nurse is preparing to administer valproic acid 45 mg/kg/day PO divided
in equal doses every 8 hr to a child who weighs 66 lb. Available is valproic
acid syrup 250 mg/5 ml. How many ml should the nurse administer per
dose?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 66 lb
= 30 kg
45 mg/kg x 30 kg = 1350 mg
1350 mg/3 (q8h) = 450 mg
250 mg/ 5 ml x 450 mg = 9 ml
, ANS: 9 ml
A nurse is preparing to administer midazolam IM to a client who is
preoperative and weighs 132 lb. The medication reference states the safe
dosage range is 0.07 to 0.08 mg/kg. What is the maximum safe dose the
nurse should expect to administer?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 132 lb
= 60 kg
0.08 mg/kg x 60 kg = 4.8 mg
ANS: 4.8 mg
A nurse is preparing to administer amoxicillin 25 mg/kg/day PO divided
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?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 43 lb
= 19.545454 kg
25 mg/kg x 19.545454 kg = 488.636363 mg
488.636363 mg/ 3(q8h) = 162.878787 mg
250 mg/5 ml x 162.878787 mg = 3.257575 ml
EXAM WITH VALIDATED ANSWERS.
A nurse is preparing to administer tobramycin 2.5 mg/kg IM to a
preschooler who weighs 20 kg. Available is tobramycin injection 40 mg/ml.
How many ml should the nurse administer per dose?
(Round to the nearest whole number.) - CorreCt Answers -2.5 mg/kg x 20
kg = 50 mg
40 mg/ml x 50 mg = 1.25 ml
ANS: 1.3 ml
A nurse is preparing to administer valproic acid 45 mg/kg/day PO divided
in equal doses every 8 hr to a child who weighs 66 lb. Available is valproic
acid syrup 250 mg/5 ml. How many ml should the nurse administer per
dose?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 66 lb
= 30 kg
45 mg/kg x 30 kg = 1350 mg
1350 mg/3 (q8h) = 450 mg
250 mg/ 5 ml x 450 mg = 9 ml
, ANS: 9 ml
A nurse is preparing to administer midazolam IM to a client who is
preoperative and weighs 132 lb. The medication reference states the safe
dosage range is 0.07 to 0.08 mg/kg. What is the maximum safe dose the
nurse should expect to administer?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 132 lb
= 60 kg
0.08 mg/kg x 60 kg = 4.8 mg
ANS: 4.8 mg
A nurse is preparing to administer amoxicillin 25 mg/kg/day PO divided
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?
(Round to the nearest whole number.) - CorreCt Answers -2.2 lb/kg x 43 lb
= 19.545454 kg
25 mg/kg x 19.545454 kg = 488.636363 mg
488.636363 mg/ 3(q8h) = 162.878787 mg
250 mg/5 ml x 162.878787 mg = 3.257575 ml
