A nurse is preparing to administer methylnaltrexone 12 mg subcutaneously to a client who has opioid-induced constipation. Available is methylnaltrexone 8 mg/0.4 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 ["0.6"]

Step 1: Determine the dosage available per mL.

Available dosage is 8 mg in 0.4 mL.
Calculation: 8 mg ÷ 0.4 mL = 20 mg/mL.
Result: 20 mg/mL.

Step 2: Calculate the volume needed for 12 mg.

Required dosage is 12 mg.
Calculation: 12 mg ÷ 20 mg/mL = 0.6 mL.
Result: 0.6 mL.

So, the nurse should administer 0.6 mL of methylnaltrexone.

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Free Nursing Study Resources

Correct Answer is ["260"]

Explanation

Step 1: Convert ½ cup of juice to mL. 1 cup = 240 mL ½ cup = 240 mL ÷ 2 = 120 mL Result: 120 mL

Step 2: Convert 3 oz of gelatin to mL. 1 oz = 30 mL 3 oz = 3 × 30 mL = 90 mL Result: 90 mL

Step 3: Convert 1 oz of an ice pop to mL. 1 oz = 30 mL 1 oz = 1 × 30 mL = 30 mL Result: 30 mL

Step 4: Ginger ale is already in mL. Result: 20 mL

Step 5: Add all the mL values together. 120 mL + 90 mL + 30 mL + 20 mL = 260 mL Result: 260 mL

The nurse should record the child’s fluid intake as 260 mL.

Correct Answer is ["2"]

Explanation

To calculate the amount of naloxone to administer, you can use the following formula:

Amount to administer (mL) = Total dose required (mg) / Concentration of drug (mg/mL)

Given:

Total dose required = 0.4 mg

Concentration of drug = 0.2 mg/mL

Let's calculate the amount to administer:

Amount to administer (mL) = 0.4 mg / 0.2 mg/mL

Now, perform the calculation:

Amount to administer (mL) = 2 mL

So, the nurse should administer 2 mL of naloxone intravenously as a bolus dose to the client.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a child who is on a clear liquid diet. At lunch, the child consumed ½ cup of juice, 3 oz gelatin. 1 oz of an ice pop, and 20 mL ginger ale. How many mL should the nurse record as the child's fluid intake?

Correct Answer is ["260"]

Explanation

Correct Answer is ["2"]

Explanation

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