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An order calls for 2,000 mcg of Vitamin B12 IM injection. The vial indicates a 1 mg/mL concentration. How many ml should the nurse draw up?

2 mL

1 mL

0.5 mL

3 mL

Answer and Explanation

The Correct Answer is A

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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Correct Answer is C

Explanation

Identify the ordered dose and tablet strength

Ordered Dose: 500 mg

Tablet Strength: 250 mg per tablet

Calculate the number of tablets to administer

Number of Tablets = Ordered Dose ÷ Tablet Strength

Number of Tablets = 500 ÷ 250

= 2

A. 1 mL B. 0.03 mL C. 0.5 mL D. 0.35 mL

Correct Answer is D

Explanation

Identify the ordered dose and available concentration

Ordered Dose: 35 units

Available Concentration: 100 units/mL

Calculate the volume to administer

Volume to administer = Ordered Dose ÷ Concentration

Volume to administer = 35 ÷ 100

= 0.35 mL

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An order calls for 2,000 mcg of Vitamin B12 IM injection. The vial indicates a 1 mg/mL concentration. How many ml should the nurse draw up?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is D

Explanation

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