Dosage by Weight Practice Quiz

A nurse is caring for an infant who weighs 11 lb 4 oz. What is the infant's weighs in kg? Round to the nearest hundredth.

Answer explanation

5.11 kg

A patient is admitted to the doctor's office with a weight 68.38 kg. How much is this weight in lbs and oz?

Answer explanation

150 lb 7 oz

Order: Spironolactone 1.75 mg/kg po daily

Weight: 17 kg

How much mg of spironolactone does the nurse administer? Round to the nearest whole number

Answer explanation

30 mg

Order: Betametasone 5.7mg/kg po daily

Weight: 186 lbs

How much mg will the nurse administer? Round to the nearest whole number

Answer explanation

482 mg

Order: Cyclophosphamide 3.5mg/kg po daily

Weight: 208 lbs

How much mg will the nurse administer? Round to the nearest tenths.

Answer explanation

330.9 mg

Order: Epoetin 65 units/kg

Weight: 176 lbs

How much will the nurse administer? Round to the nearest whole number.

Answer explanation

5200 units

A nurse is preparing to administer a loading dose of phenytoin (Dilantin) 5 mg/kg/day divided equally ever 12 hr for an infant who weighs 12 lb 4 oz. How many mg should the nurse administer per dose? Round to the nearest tenth.

Answer explanation

13.9 mg

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 250 mg/5mL how many mL should the nurse administer per dose? Round to the nearest whole number

Answer explanation

6 ml

Oxacillin oral solution 250 mg po q 6H for a child weighing 42 lb. The recommended dosage is 50 mg/kg/day in equally divided dosages q 6h. Is the dosage ordered safe?

Answer explanation

No; the dosage is not equally divided

A nurse is preparing to administer ceftazidime 40 mg/kg/ IV bolus every 8 hr to a toddler who weighs 22 lb. Available is ceftazidine 40 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer explanation

10 ml/dose