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A nurse is preparing to administer potassium chloride elixir 20 mEq/day PO to divide equally every 12 hr. Available is 6.7 mEq/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 ["7.5"]

The correct answer is 7.5 ML

To answer this question, we need to use the formula:

mL to administer = (mEq ordered / mEq available) x mL available Plugging in the values from the question, we get:

mL to administer = (20 mEq/day / 6.7 mEq/5 mL) x 5 mL Simplifying, we get:

mL to administer = (2.99 mL/mEq) x 5 mL Multiplying, we get:

mL to administer = 14.95 mL/day

Since the order is to divide the dose equally every 12 hours, we need to divide the total daily dose by 2:

mL to administer per dose = 14.95 mL/day / 2 Dividing, we get:

mL to administer per dose = 7.475 mL

Rounding to the nearest tenth, we get:

mL to administer per dose = 7.5 mL

Therefore, the nurse should administer 7.5 mL of potassium chloride elixir per dose.

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Correct Answer is C

Explanation

Choice A rationale:

The treatment duration for active pulmonary tuberculosis is usually shorter than 3 years.

Choice B rationale:

Monitoring kidney function is not the primary focus of tuberculosis medication management.

Choice C rationale:

Treatment for active pulmonary tuberculosis involves using a combination of two or more medications to prevent drug resistance and effectively treat the infection.

Choice D rationale:

Tuberculin skin tests are used for diagnosing tuberculosis, not for monitoring treatment progress.

A. The client should be treated by giving potassium by IV bolus. B. Another formulation of potassium should be given IV. C. Potassium chloride should be diluted in dextrose 5% in water. D. The potassium infusion rate is too rapid.

Correct Answer is D

Explanation

Choice A rationale:

IV bolus administration of potassium is not appropriate due to the risk of cardiac arrhythmias.

Choice B rationale:

The formulation of potassium (potassium chloride) is appropriate for IV administration.

Choice C rationale:

Potassium chloride is typically diluted in normal saline (0.9% sodium chloride) for IV administration, not dextrose.

Choice D rationale:

The prescribed infusion rate of 30 mEq of potassium chloride over 30 minutes is too rapid and could lead to adverse effects, such as cardiac arrhythmias. The nurse should clarify the prescription and discuss a slower infusion rate with the provider.

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A nurse is preparing to administer potassium chloride elixir 20 mEq/day PO to divide equally every 12 hr. Available is 6.7 mEq/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.)

The correct answer is 7.5 ML

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Naxlex Comprehensive Predictor Exams

A nurse is teaching a client who has active pulmonary tuberculosis about management of medication for the disease. Which of the following statements is appropriate for the nurse to make?

Correct Answer is C

Explanation

A nurse is caring for a client who is to receive potassium replacement. The provider's prescription reads, "Potassium chloride 30 mEq in 0.9% sodium chloride 100 mL IV over 30 min." For which of the following reasons should the nurse clarify this prescription with the provider?

Correct Answer is D

Explanation

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A nurse is preparing to administer potassium chloride elixir 20 mEq/day PO to divide equally every 12 hr. Available is 6.7 mEq/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.)