A nurse is preparing to administer tobramycin 4 mg/kg/day IM divided in three equal doses to a client who weighs 60 kg. If the available tobramycin is 40 mg/mL, how many mL should the nurse administer per dose?

Answer and Explanation

The Correct Answer is ["2 "]

Step 1: Calculate the total daily dose of tobramycin. The doctor ordered 4 mg/kg/day, so 4 mg/kg/day × 60 kg = 240 mg/day.

Step 2: Divide the total daily dose into three equal doses, as it is to be given in three divided doses. So, 240 mg/day ÷ 3 = 80 mg/dose.

Step 3: Calculate the volume of tobramycin to administer per dose. The available tobramycin is 40 mg/mL, so 80 mg ÷ 40 mg/mL = 2 mL. The nurse should administer 2 mL of tobramycin per dose.

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Correct Answer is ["83 "]

Explanation

Step 1 is to calculate the total volume to be infused in mL/min. This is done by dividing the total volume (250 mL) by the time in minutes (30 min). So, 250 mL ÷ 30 min = 8.33 mL/min. Step 2 is to convert mL/min to gtt/min using the drop factor. So, (8.33 mL/min) × (10 gtt/mL) = 83.3 gtt/min. Round off to the nearest whole number, the correct answer is 83 gtt/min.

Correct Answer is ["0.4 "]

Explanation

The nurse should administer 0.4 mL of morphine per dose. Here’s the calculation: Step 1: The total dosage required is 4 mg.

Step 2: Each mL of the injection contains 10 mg of morphine.

Step 3: So, the volume to be administered is 4 mg ÷ 10 mg/mL = 0.4 mL.

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A nurse is preparing to administer tobramycin 4 mg/kg/day IM divided in three equal doses to a client who weighs 60 kg. If the available tobramycin is 40 mg/mL, how many mL should the nurse administer per dose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["83 "]

Explanation

A nurse is set to administer 4 mg of morphine IM. If the available morphine injection is 10 mg/mL, how many mL should the nurse administer per dose?

Correct Answer is ["0.4 "]

Explanation

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