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A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.

If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

Answer and Explanation

The Correct Answer is ["10 "]

Step 1: We need to find out how many mL of cefaclor oral suspension the nurse should administer per dose.

Given:

The doctor’s order is 500 mg of cefaclor.

The available cefaclor oral suspension is 250 mg/5 mL.

Step 2: We set up a proportion to find out the volume of the oral suspension that contains 500 mg of cefaclor.

Let’s denote the volume we are looking for as X mL. So, we have:

250 mg : 5 mL = 500 mg : X mL

Step 3: We cross-multiply and solve for X. 250 mg × X mL = 500 mg × 5 mL

Step 4: We divide both sides by 250 mg. X mL = (500 mg × 5 mL) ÷ 250 mg

Step 5: We calculate X.

X = (500 mg × 5 mL) ÷ 250 mg = 10 mL

So, the nurse should administer 10 mL of the cefaclor oral suspension per dose.

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Correct Answer is ["83 "]

Explanation

Step 1 is to calculate the total volume to be infused in mL/min. This is done by dividing the total volume (250 mL) by the time in minutes (30 min). So, 250 mL ÷ 30 min = 8.33 mL/min. Step 2 is to convert mL/min to gtt/min using the drop factor. So, (8.33 mL/min) × (10 gtt/mL) = 83.3 gtt/min. Round off to the nearest whole number, the correct answer is 83 gtt/min.

A. The medication should be stored in a well-lit area. B. The medication should be stored in a cool area. C. The total volume in a unit dose container is 100 mL. D. The unit dose container should be gently rolled before administration.

Correct Answer is D

Explanation

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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A nurse is preparing to administer cefaclor 500 mg PO every 12 hours. If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?

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Naxlex Comprehensive Predictor Exams

Correct Answer is ["83 "]

Explanation

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

Correct Answer is D

Explanation

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A nurse is preparing to administer cefaclor 500 mg PO every 12 hours.

If the available cefaclor oral suspension is 250 mg/5 mL, how many mL should the nurse administer per dose?