A nurse is preparing to administer antibiotics 15mg/kg/day divided equally every 12 hrs. The client weighs 158lbs. How many mg should the nurse administer with each dose? Round of to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.
The Correct Answer is ["538"]
1. Convert pounds to kilograms: 1 pound = 0.453592
158 lbs x 0.453592 kg/lb ≈ 71.71 kg
2. Calculate the total daily dosage:
15 mg/kg/day x 71.71 kg ≈ 1075.65 mg/day
3. Calculate the dosage per dose (divided equally every 12 hours):
1075.65 mg/day / 2 doses ≈ 537.83 mg/dose
4. Round to the nearest whole number:
537.83 mg ≈ 538 mg
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["20"]
Explanation
Let's calculate the dosage step-by-step:
1. Determine the concentration of the medication in the suspension:
125 mg / 5 mL = 25 mg/mL
2. Calculate the volume needed:
500 mg / 25 mg/mL = 20 mL
Correct Answer is ["18"]
Explanation
To determine the correct IV pump rate for the heparin infusion, follow these steps:
1. Convert the patient’s weight from pounds to kilograms:
1 pound = 0.453592 kilograms
220 pounds x 0.453592 = 99.79 kilograms (rounded to two decimal places)
2. Calculate the dosage in units per hour:
18 units/kg/hr x 99.79 kg = 1796.22 units/hr
3. Determine the volume of heparin solution needed per hour:
The medication is supplied as 25000 units in 250 mL.
Therefore, the concentration is 100 units/mL.
1796.22 units/hr / 100 units/mL = 17.96 mL/hr
4. So, the nurse should set the IV pump to 18 mL/hour (rounded to the nearest whole number).
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