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A medication order reads 125 mcg, and the available concentration is 0.5 mg/mL. How many mL should be drawn up for administration?

0.125 mL

1 mL

0.25 mL

0.5 mL

Answer and Explanation

The Correct Answer is C

Identify the ordered dose and available concentration

Ordered Dose: 125 mcg (0.125 mg)

Available Concentration: 0.5 mg/mL

Calculate the volume to administer

Volume to administer = Ordered Dose ÷ Concentration

Volume to administer = 0.125 ÷ 0.5

= 0.25 mL

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Correct Answer is A

Explanation

Identify the ordered dose and tablet strength

Ordered Dose: 750 mg

Tablet Strength: 500 mg per tablet

Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 750 ÷ 500

= 1.5

A. 0.45 mL B. 0.15 mL C. 0. 1 mL D. 0.3 mL

Correct Answer is B

Explanation

Identify the ordered dose and available concentration

Ordered Dose: 15 units

Available Concentration: 100 units/mL

Calculate the volume to administer

Volume to administer = Ordered Dose ÷ Concentration

Volume to administer = 15 ÷ 100

= 0.15 mL

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A medication order reads 125 mcg, and the available concentration is 0.5 mg/mL. How many mL should be drawn up for administration?

Nursing Test Bank

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