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 ["1800"]

Explanation

-Step 1: Define the conversion factor from grams to milligrams. We know that 1 g = 1000 mg.

-Step 2: Multiply 1.8 g by the conversion factor (1000 mg/g). The calculation is 1.8 g × 1000 mg/g = 1800 mg.

-Step 3: Round the result to the nearest whole number. The rounded result is 1800 mg.

The nurse should administer 1800 mg of lithium.

A. Place the tablet between the client's cheek and gum. B. Have the client chew the medication before swallowing it. C. Mix the medication in 5 mL (1 teaspoon) of soft food. D. Dissolve the tablet in 15 mL (1 tablespoon) of liquid.

Correct Answer is A

Explanation

Choice A reason: The buccal route involves placing the medication directly in the mouth against the mucous membranes of the cheek, allowing for absorption through the oral tissues. This method is used for fentanyl administration to ensure rapid onset of pain relief without gastrointestinal involvement.

Choice B reason: Chewing the medication is not recommended for buccal administration as it can lead to unpredictable absorption and potential destruction of the medication's integrity, which can alter its effectiveness.

Choice C reason: Mixing fentanyl with food is not appropriate for buccal administration. This method is generally used for oral medications that are swallowed, not for those intended for mucosal absorption.

Choice D reason: Dissolving the tablet in liquid is also not suitable for buccal administration. The buccal route is designed for direct absorption through the cheek's mucous membranes, and dissolving the tablet would be more akin to oral administration, which is not the intended method for this medication.

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Naxlex Comprehensive Predictor Exams

A nurse is planning to administer lithium 1.8 g PO daily to a client. How many mg should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["1800"]

Explanation

A nurse is preparing to administer fentanyl 400 mcg via the buccal route. Which of the following actions should the nurse take?

Correct Answer is A

Explanation

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