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A physician orders fosphenytoin 0.5 mg/kg IV once daily for a client. The client weighs 57 kg. What is the drug dosage that needs to be administered to the client?

7.6 mg

12.9 mg

28.5 mg

114.0 mg

Answer and Explanation

The Correct Answer is C

To calculate the drug dosage, multiply the prescribed dose per kilogram by the client’s weight in kilograms:

0.5 mg/kg x 57 kg = 28.5 mg

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Correct Answer is C

Explanation

To calculate the total amount of medication the client should receive, multiply the volume of the medication by its concentration:

500 mL x 2 mg/mL = 1000 mg

Therefore, the client should receive 1000 mg of the medication.

A. 22 B. 100 C. 333 D. 666

Correct Answer is C

Explanation

The number of tablets and their weight only provide information about the total amount of medication in the vial (100 tablets x 333 mg = 33,300 mg or 33.3 g).

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A physician orders fosphenytoin 0.5 mg/kg IV once daily for a client. The client weighs 57 kg. What is the drug dosage that needs to be administered to the client?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client is prescribed 500 mL of a medication that is available in 2 mg/mL vials. How many mg of the medication should the client receive?

Correct Answer is C

Explanation

What is the total volume of medication in a vial with lot number 666, containing 100 tablets, each 333 mg and expiring on 2-22-16?

Correct Answer is C

Explanation

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