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A nurse is preparing to administer gentamicin 2 mg/kg IM to a school-age child who weighs 55 lb. Available gentamicin injection 40 is mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["1.3"]

Step-by-step calculation:

The child's weight is 55 lb.

The medication dosage is 2 mg/kg.

The available medication concentration is 40 mg/mL.

Calculating the total dose in mg:

Convert the child's weight to kg: 55 lb ÷ 2.2 lb/kg = 25 kg

Calculate the total dose: 25 kg × 2 mg/kg = 50 mg

Calculating the volume to administer:

Use the concentration of the medication: 50 mg ÷ 40 mg/mL = 1.25 mL

Rounding the answer: 1.25 rounds to 1.3 mL

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Correct Answer is ["1"]

Explanation

Step 1: Identify the conversion factor.

We need to convert milliliters (mL) to ounces (oz). The conversion factor is:

1 ounce (oz) = 30 milliliters (mL)

Step 2: Set up the conversion.

The prescribed dose is 30 mL. We want to convert 30 mL to ounces.

Using the conversion factor:

Amount in oz=Amount in mL/Conversion factor=30 mL/30 mL/oz

Step 3: Perform the calculation.

Amount in oz=30/30=1 oz

Step 4: Round the answer (if needed).

1 oz is a whole number

Correct Answer is ["400"]

Explanation

Step by step calculation:

The nurse needs to administer 100 mL of sodium chloride.

The infusion time is 15 minutes.

Calculating the flow rate in mL/hr:

Convert the infusion time to hours: 15 minutes ÷ 60 minutes/hour = 0.25 hours

Divide the total volume by the infusion time: 100 mL ÷ 0.25 hours = 400 mL/hour

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A nurse is preparing to administer gentamicin 2 mg/kg IM to a school-age child who weighs 55 lb. Available gentamicin injection 40 is mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

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