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A client requires 0.8 g erythromycin PO daily. The pills available are labeled erythromycin 400 mg/tablet. How many tablets should the nurse administer?

4 tablets

2 tablets

3 tablets

1 tablet

Answer and Explanation

The Correct Answer is B

Identify the ordered dose and tablet strength

Ordered Dose: 0.8 g (800 mg)

Tablet Strength: 400 mg per tablet

Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 800 ÷ 400

= 2

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Correct Answer is A

Explanation

Identify the total volume and infusion time

Total Volume: 1200 mL

Infusion Time: 8 hours

Calculate the flow rate

Flow Rate (mL/hr) = Total Volume ÷ Time

Flow Rate = 1200 ÷ 8

= 150 mL/hr

A. 2 mL B. 1 mL C. 0.5 mL D. 3 mL

Correct Answer is A

Explanation

Identify the ordered dose and vial concentration

Ordered Dose: 2,000 mcg (2 mg)

Available Concentration: 1 mg/mL

Calculate the volume to administer

Volume to administer = Ordered Dose ÷ Concentration

Volume to administer = 2 ÷ 1

= 2 mL

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A client requires 0.8 g erythromycin PO daily. The pills available are labeled erythromycin 400 mg/tablet. How many tablets should the nurse administer?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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