A nurse is preparing to administer phenobarbital sodium 300 mg IV bolus to a client who is experiencing withdrawal from benzodiazepines. Available is phenobarbital sodium injection 130 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 ["2.3"]

Step 1: The dose to be administered is300 mg of phenobarbital sodium.

Step 2: The available phenobarbital sodium injection has a concentration of130 mg/mL. This means that for every 1 mL of the solution, there are 130 mg of phenobarbital sodium.

Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 300 mg ÷ 130 mg/mL = 2.307692307692308 mL.

Step 4: Round the answer to the nearest tenth. So, 2.307692307692308 mL rounds to2.3 mL.

The nurse should administer 2.3 mL of phenobarbital sodium injection.

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Free Nursing Study Resources

Correct Answer is ["2.8"]

Explanation

Step 1: The dose to be administered is9 mg of aripiprazole.

Step 2: The available aripiprazole injection has a concentration of9.75 mg/3 mL. This means that for every 3 mL of the solution, there are 9.75 mg of aripiprazole.

Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 9 mg ÷ (9.75 mg/3 mL) = 2.769230769230769 mL.

Step 4: Round the answer to the nearest tenth. So, 2.769230769230769 mL rounds to2.8 mL.

The nurse should administer 2.8 mL of aripiprazole injection.

Correct Answer is ["2"]

Explanation

Step 1: The dose to be administered is25 mg of risperidone.

Step 2: The available risperidone injection has a concentration of25 mg/2 mL. This means that for every 2 mL of the solution, there are 25 mg of risperidone.

Step 3: To find out how many mL should be administered, we divide the dose by the concentration. So, 25 mg ÷ (25 mg/2 mL) = 2 mL.

The nurse should administer 2 mL of risperidone injection.

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Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer aripiprazole 9 mg IM to a client. Available is aripiprazole injection 9.75 mg/3 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.)

Correct Answer is ["2.8"]

Explanation

Correct Answer is ["2"]

Explanation

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