A nurse is preparing to administer clindamycin 10 mg/kg/day PO in three divided doses to a child who weighs 53 lb. Available is clindamycin oral solution 75 mg/5 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.)

Answer and Explanation

The Correct Answer is ["5.3"]

To calculate the correct dose of clindamycin, we need to follow these steps:

Convert pounds to kilograms:
- 53 lb * 0.4536 kg/lb = 24 kg
Calculate the daily dose in milligrams:
- 10 mg/kg/day * 24 kg = 240 mg/day
Calculate the dose per administration:
- Since the medication is divided into three doses, divide the daily dose by 3:
  - 240 mg/day / 3 = 80 mg/dose
Determine the volume needed from the available concentration:
- 80 mg * (5 mL / 75 mg) = 5.33 mL

Therefore, the nurse should administer 5.3 mL of clindamycin per dose.

Answer: 5.3 mL

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Correct Answer is C

Explanation

A) mL: This abbreviation stands for milliliters, which is a metric unit of volume used to measure liquids. It is not a unit of weight, so it would not be identified as such when documenting in the medical record.

B) OZ: This abbreviation stands for ounces, which is a unit of weight used in the imperial system, not the metric system. It is important to distinguish between metric and imperial units for accurate documentation.

C) Mcg: This abbreviation stands for micrograms, which is a metric unit of weight. Micrograms are commonly used in the medical field to measure very small amounts of substances, such as medications. Recognizing this as a metric unit of weight is crucial for proper documentation.

D) Lb: This abbreviation stands for pounds, which is another unit of weight used in the imperial system. It is not a metric unit, so it should not be identified as such in the medical record.

Correct Answer is ["0.5"]

Explanation

1. Heparin Dosage and Concentration:

Heparin dosage per dose: 10,000 units

Heparin concentration: 20,000 units/mL (available injection)

2. Volume Calculation:

We can use the following formula to find the volume to administer:

Volume (mL) = Dosage (units) / Concentration (units/mL)

Volume (mL) = 10,000 units / 20,000 units/mL

3. Rounding the Answer:

Round the calculated volume to the nearest tenth of a milliliter.

Volume (mL) = 0.5 mL (rounded to one decimal place)

Therefore, the nurse should administer 0.5 mL of heparin injection per dose.

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a newly hired nurse about documentation in the medical record. Which of the following abbreviations should the newly hired nurse identify as a metric unit of weight?

Correct Answer is C

Explanation

A nurse is preparing to administer heparin 10,000 units subcutaneous every 8 hr. Available is heparin injection 20,000 units/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 ["0.5"]

Explanation

A nurse is preparing to administer filgrastim 480 mcg subcutaneous daily. Available is filgrastim injection 300 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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