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A nurse is preparing to administer sulfadiazine 150mg/kg PO to divide equally every 6 hr to an adolescent who weighs 88 Ib.

Available is sulfadiazine 500 mg/tab.
How many tablets should the nurse administer per dose?

(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.).

1 tablet.

3 tablets.

4 tablets.

8 tablets.

Answer and Explanation

The Correct Answer is B

Step 1: Convert weight from lb to kg.

88 lb ÷ 2.2 = 40 kg

Step 2: Calculate total daily dose in mg.

150 mg/kg × 40 kg = 6000 mg

Step 3: Calculate dose per administration (every 6 hr).

6000 mg ÷ 4 = 1500 mg

Step 4: Calculate number of tablets per dose.

1500 mg ÷ 500 mg/tab = 3 tablets

Answer:

3 tablets per dose.

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Naxlex Comprehensive Predictor Exams

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Free Nursing Study Resources

Correct Answer is A

Explanation

The nurse should administer the medication over 2 hr because amphotericin B lipid complex should be infused slowly intravenously.

Choice B is wrong because priming the tubing with 0.9% sodium chloride is not mentioned as a necessary action when administering amphotericin B lipid complex via intermittent IV bolus.

Choice C is wrong because discarding the medication if it is yellow is not mentioned as a necessary action when administering amphotericin B lipid complex via intermittent IV bolus.

Choice D is wrong because a gravity flow set is not mentioned as a necessary action when administering amphotericin B lipid complex via intermittent IV bolus.

A. Monitor the client's weight daily. B. Hang the TPN solution to gravity to infuse. C. Titrate TPN solution to blood pressure. D. Obtain the client's blood glucose level weekly.

Correct Answer is A

Explanation

Total parenteral nutrition (TPN) is a method of administration of essential nutrients to the body through a central vein.

TPN solutions are customized for each client’s needs, including the exact amount of calories and nutrients necessary for total nutritional needs.
Monitoring the client’s weight daily is important to determine if nutritional goals are being met and to assess fluid volume status.
Choice B is wrong because TPN solutions are concentrated and can cause thrombosis of peripheral veins, so they require a central venous catheter and should not be hung to gravity to infuse.
Choice C is wrong because TPN solution should not be titrated to blood pressure.
Choice D is wrong because the client’s blood glucose level should be monitored more frequently than weekly when receiving TPN.

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