A nurse is reinforcing discharge teaching with a client who has a prescription for phenytoin.
Which of the following instructions should the nurse include in the teaching?.

Switch phenytoin brands with each refill.

Alter the phenytoin administration regimen each week.

Phenytoin turns urine blue.

Alcohol increases the chance of phenytoin toxicity.

Answer and Explanation

The Correct Answer is D

Choice A rationale:

Switching brands of phenytoin can lead to variations in drug absorption and serum drug levels, potentially leading to a loss of seizure control or toxicity. Therefore, this is not a correct instruction.

Choice B rationale:

Altering the phenytoin administration regimen each week can lead to fluctuations in serum drug levels, potentially leading to a loss of seizure control or toxicity. Therefore, this is not a correct instruction.

Choice C rationale:

Phenytoin does not turn urine blue. This is a side effect associated with some other medications, but not phenytoin. Therefore, this is not a correct instruction.

Choice D rationale:

Alcohol can increase serum phenytoin levels, potentially leading to toxicity. Therefore, this is a correct instruction.

So, the correct answer is D. Alcohol increases the chance of phenytoin toxicity.

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Correct Answer is ["7.5"]

Explanation

Step 1 sets up the equation: (20 mEq ÷ 40 mEq) × 15 mL.

Step 2 is to perform the division: 0.5 × 15 mL.

Step 3 is to perform the multiplication: of 7.5 mL.

So, the correct answer is 7.5 mL.

Correct Answer is ["10"]

Explanation

Step 1: Determine the Medication Concentration

The total amount of medication in the solution is 250 mg.
The total volume of the solution is 5 mL.
To find the concentration per mL:
250 mg ÷ 5 mL = 50 mg/mL

Step 2: Determine the Required Volume

The prescribed dose is 500 mg.
To find the volume needed:
500 mg ÷ 50 mg/mL = 10 mL

Thus, the nurse should administer 10 mL of the solution to deliver the required 500 mg dose.

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A nurse is reinforcing discharge teaching with a client who has a prescription for phenytoin.Which of the following instructions should the nurse include in the teaching?.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is ["7.5"]

Explanation

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Explanation

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A nurse is reinforcing discharge teaching with a client who has a prescription for phenytoin.
Which of the following instructions should the nurse include in the teaching?.