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A patient is prescribed an injection with 1.5 million units of a medication. The vial contains 3 million units in 5 mL. How much should the nurse draw up?

3 mL

1.5 mL

2.5 mL

1 mL

Answer and Explanation

The Correct Answer is C

Identify the ordered dose and available concentration

Ordered Dose: 1.5 million units

Available: 3 million units in 5 mL

Calculate the volume to administer

Volume = (Ordered Dose ÷ Vial Dose) × Vial Volume

Volume = (1,500,000 ÷ 3,000,000) × 5

Volume = 0.5 × 5

= 2.5 mL

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Correct Answer is C

Explanation

Identify the ordered dose and tablet strength

Ordered Dose: 5 mg

Tablet Strength: 2.5 mg per tablet

Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 5 ÷ 2.5

= 2

A. 1 tablet B. 2 tablets C. 3 tablets D. 4 tablets

Correct Answer is C

Explanation

Identify the ordered dose and tablet strength

Ordered Dose: 150 mcg

Tablet Strength: 50 mcg per tablet

Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 150 ÷ 50

= 3

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A patient is prescribed an injection with 1.5 million units of a medication. The vial contains 3 million units in 5 mL. How much should the nurse draw up?

Nursing Test Bank

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