ATI Dosage Calculation Dosage by Weight (4 Version BUNDLED TOGETHER | Questions and Verified Answers (2023/ 2024 Updates)- Grade A
QUESTION
A nurse is
... [Show More] 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.)
Answer:
2.2 lb/kg x 132 lb = 60 kg
0.08 mg/kg x 60 kg = 4.8 mg
ANS: 4.8 mg
QUESTION
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.)
Answer:
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
ANS: 3.3 ml
QUESTION
A nurse is preparing to administer ampicillin 50 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 39.6 lb. Available is ampicillin oral suspension 250 mg/5 ml. How many ml should the nurse administer per dose?
(Round to the nearest whole number.)
Answer:
2.2 lb/kg x 39.6 lb = 18 kg
50 mg/kg x 18 kg = 900 mg
900 mg / 3(q8h) = 300 mg
250 mg/ 5 ml x 300 mg = 6 ml
ANS: 6 ml
QUESTION
A nurse is preparing to administer acyclovir 5 mg/kg IV bolus every 8 hr to a client who weighs 75 lb. How many mg should the nurse administer per dose?
(Round to the nearest whole number.)
Answer:
2.2 lb/kg x 75 lb = 34.090909 kg
5 mg/kg x 34.090909 kg = 170.454545 mg
ANS: 170.5 mg
QUESTION
A nurse is converting a toddler's weight from lb to kg. IF the toddler weighs 20 lb 8 oz, what is the toddler's weight in kg?
(Round to the nearest whole number.)
Answer:
16 oz/lb x 8 oz = 0.5 lb
20 lb + 0.5 lb = 20.5 lb
2.2 lb/kg x 20.5 lb = 9.318181 kg
ANS: 9.3 kg
QUESTION
A nurse is preparing to administer cefaclor 40 mg/kg/day PO divided in equal doses every 8 hr to a child who weighs 48 lb. Available is cefaclor suspension 375 mg/5 ml. How many ml should the nurse administer per dose?
(Round to the nearest whole number.)
Answer:
2.2 lb/kg x 48 lb = 21.818181 kg
40 mg/kg x 21.818181 kg = 872.727272 mg
872.727272 mg / 3(q8h) = 290.909090 mg
375 mg/5 ml x 290.909090 mg = 3.878787 ml
ANS: 3.9 ml
QUESTION
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.)
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
QUESTION
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.)
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
QUESTION
A nurse is preparing to administer erythromycin ethyl succinate 50 mg/kg/day PO divided in equal doses every 6 hr to a toddler who weighs 32 lb. Available is erythromycin ethylsuccinate suspension 200mg/5ml. How many ml 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.)
Answer:
2.2 lb/kg x 32 lb = 14.545454 kg
50 mg/kg x 14.545454 kg = 727.272727 mg
727.272727 mg / 4 (Q6H) = 181.818181 mg
200 mg/5ml x 181.818181 mg = 4.545454 mL
ANS: 4.5 ml
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