A nurse is preparing to administer heparin 10,000 units subcutaneously every 8 hours. The available heparin injection is 20,000 units/mL. How many milliliters 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.)

Answer and Explanation

The Correct Answer is ["0.5"]

To calculate the required mL of heparin injection per dose, we need to use the following formula: mL = (units per dose) ÷ (units per mL)

Substituting the given values in the formula, we get:

mL = (10,000 units) ÷ (20,000 units/mL) mL = 0.5 mL

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Correct Answer is ["100 mL"]

Explanation

First, we need to determine how many milligrams of vancomycin are in each milliliter of the reconstituted solution:

1 g = 1,000 mg

If we reconstitute 1 g of vancomycin powder for injection in enough diluent to make a final volume of 200 mL, the concentration will be:

1,000 mg ÷ 200 mL = 5 mg/mL

Now, we can calculate how many milliliters of the reconstituted solution the nurse should administer to deliver 500 mg of vancomycin:

500 mg ÷ 5 mg/mL = 100 mL

Therefore, the nurse should administer 100 mL of the reconstituted vancomycin solution via intermitent IV

bolus.

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 heparin 10,000 units subcutaneously every 8 hours. The available heparin injection is 20,000 units/mL. How many milliliters 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.)

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Correct Answer is ["100 mL"]

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

A nurse is preparing to administer digoxin 7.5 mcg/kg/day PO daily to a school-age child who weighs 52 lb. Available is digoxin elixir 50 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.)

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