A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 mg/mL. How many mL should the nurse administer?

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

Answer and Explanation

The Correct Answer is ["1.9"]

To calculate the number of mL the nurse should administer, you need to divide the dose of isoniazid (187 mg) by the concentration of the isoniazid injection (100 mg/mL). This gives you 187 mg / (100 mg/mL) =

1.87 mL. When rounded to the nearest tenth, this becomes 1.9 mL. So, the nurse should administer 1.9 mL of isoniazid injection.

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Free Nursing Study Resources

Correct Answer is ["0.1"]

Explanation

We need to calculate the volume of the cyanocobalamin injection that contains 100 mcg of the drug: 100 mcg ÷ 1,000 mcg/mL = 0.1 mL

Therefore, the nurse should administer 0.1 mL of cyanocobalamin injection per dose.

A. Take 1 tsp four times daily B. Take 0.5 oz 30 min before meals and at bedtime. C. Take 2 drops four times daily D. Take 15 mL 1 hr after meals and at bedtime

Correct Answer is D

Explanation

This medication instruction is prescribed using a metric unit because mL (milliliters) is a unit of volume in the metric system. The other medication instructions are prescribed using non-metric units: tsp (teaspoon) and oz (ounce) are units of volume in the US customary system, while drops is a non-standard unit of volume.

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A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is preparing to administer cyanocobalamin 100 mcg IM monthly. Available is cyanocobalamin injection 1,000 mcg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)

Correct Answer is ["0.1"]

Explanation

A nurse is reviewing the medication list of a client. Which of the following medication instructions should the nurse identify as being prescribed using a metric unit?

Correct Answer is D

Explanation

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A nurse is preparing to administer isoniazid 187 mg IM. Available is isoniazid injection 100 mg/mL. How many mL should the nurse administer?

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