A nurse is planning to instruct a caregiver on the use of phenytoin oral suspension. What information should the nurse include in the instruction?

The medication should be stored in a well-lit area.

The medication should be stored in a cool area.

The total volume in a unit dose container is 100 mL.

The unit dose container should be gently rolled before administration.

Answer and Explanation

The Correct Answer is D

Choice A rationale

Storing the medication in a well-lit area is not necessary. Phenytoin oral suspension does not require light for storage.

Choice B rationale

While it’s important to store many medications in a cool area, phenytoin oral suspension does not specifically need to be stored in a cool area.

Choice C rationale

The total volume in a unit dose container is not typically 100 mL for phenytoin oral suspension. The volume can vary depending on the concentration and the specific product.

Choice D rationale

The unit dose container should indeed be gently rolled before administration. This is because phenytoin is an oral suspension, and suspensions consist of small drug particles dispersed throughout a liquid. Rolling the container helps ensure the drug particles are evenly distributed throughout the dose.

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Correct Answer is ["3.03 "]

Explanation

The nurse should administer 3.03 mL of cefazolin. Here’s the calculation: Step 1: The total dosage required is 1g.

Step 2: Each mL of the reconstituted solution contains 330 mg of cefazolin. Step 3: So, the volume to be administered is 1000 mg ÷ 330 mg/mL = 3.03 mL.

Correct Answer is ["1.57 "]

Explanation

Step 1: Calculate the dose of lorazepam. The doctor ordered 0.05 mg/kg, so 0.05 mg/kg × 62.73 kg (138 lb ÷ 2.2 lb/kg) = 3.14 mg.

Step 2: Calculate the volume of lorazepam injection to administer. The available lorazepam injection is 2 mg/mL, so 3.14 mg ÷ 2 mg/mL = 1.57 mL. The nurse should administer 1.57 mL of lorazepam injection.

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A nurse is planning to instruct a caregiver on the use of phenytoin oral suspension. What information should the nurse include in the instruction?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer 1g of cefazolin IM. The nurse reconstitutes a 1g vial of cefazolin with sterile water to yield a final concentration of 330 mg/mL. How many mL should the nurse administer?

Correct Answer is ["3.03 "]

Explanation

A nurse is preparing to administer lorazepam 0.05 mg/kg IM 2 hr prior to surgery to a client who weighs 138 lb. If the available lorazepam injection is 2 mg/mL, how many mL should the nurse administer? .

Correct Answer is ["1.57 "]

Explanation

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