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.)
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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Related Questions
Correct Answer is ["2.3"]
Explanation
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.
Correct Answer is ["1.5"]
Explanation
-Step 1: Define the amount of diazepam to be administered and the concentration of the available diazepam injection. We know that the diazepam dose is 7.5 mg and the diazepam concentration is 5 mg/mL.
-Step 2: Calculate the volume of diazepam injection to be administered. The calculation is 7.5 mg (diazepam dose) ÷ 5 mg/mL (diazepam concentration) = 1.5 mL.
-Step 3: Round the result to the nearest tenth. The rounded result is 1.5 mL.
The nurse should administer 1.5 mL of diazepam injection.
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