The doctor orders medication S 2.5 mg/kg/day in two divided doses. Medication S is supplied 40 mg/mL. The patient weighs 121 lbs. What will the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero If It applies. Do not use a trailing zero.)
The Correct Answer is ["1.7"]
To calculate the medication dosage, we'll follow these steps:
Convert patient weight to kilograms:
121 lbs ÷ 2.2 lbs/kg = 55 kg
Determine the total daily dosage:
2.5 mg/kg/day × 55 kg = 137.5 mg/day
Calculate the dosage per dose:
137.5mg/day ÷ 2 doses = 68.75 mg/dose
Determine the volume to be administered:
68.75 mg ÷ 40 mg/mL = 1.7 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2.0"]
Explanation
To calculate the medication dosage, we'll follow these steps:
Determine the total daily dosage:
5 mg/kg/day × 120 kg = 600 mg/day
Calculate the dosage per dose:
600 mg/day ÷ 3 doses = 200 mg/dose
Determine the volume to be administered:
200 mg ÷ 100 mg/mL = 2.0 mL
Correct Answer is ["18"]
Explanation
To calculate the infusion rate, we'll follow these steps:
Convert patient weight to kilograms:
220 lbs ÷ 2.2 lbs/kg = 100 kg
Calculate desired heparin dose:
18 units/kg/hr × 100 kg = 1800 units/hr
Determine infusion rate in mL/hr:
(1800 units/hr) / (25000 units/250 mL) = 18 mL/hr
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