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 ["116"]
Explanation
Let's calculate the IV pump rate step-by-step:
1. Determine the total volume of the medication:
The desired dosage is 1,000,000 units.
The concentration of the reconstituted medication is 250,000 units per 4 mL.
To find the total volume needed, divide the desired dosage by the concentration:
1,000,000 units / 250,000 units/4 mL = 4 x 4 mL = 16 mL
2. Calculate the final volume after dilution:
The reconstituted medication (16 mL) is further diluted with 100 mL of IV fluid.
The total volume after dilution is 16 mL + 100 mL = 116 mL.
3. Determine the infusion rate:
The infusion time is given as 1 hour.
To calculate the infusion rate, divide the total volume by the infusion time:
116 mL / 1 hour = 116 mL/hour
Correct Answer is ["1.7"]
Explanation
Let's calculate the dosage step-by-step:
1. Convert pounds to kilograms:
121 lbs/ 2.20462 kg = 54.9 kg
2. Calculate the total daily dosage:
2.5 mg/kg/day x 54.9 kg = 137.25 mg/day
3. Calculate the dosage per dose (divided equally twice daily):
137.33 mg/day / 2 doses ≈ 68.625 mg/dose
4. Determine the concentration of the medication:
40 mg/mL
5. Calculate the volume needed:
68.67 mg / 40 mg/mL = 1.7 mL
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