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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 B

Explanation

Choice A rationale:

Increased pain relief is not a therapeutic effect of naloxone, but rather an adverse effect of morphine. Naloxone would reduce the analgesic effect of morphine and increase the pain sensation in the client.

Choice B rationale:

Naloxone is an opioid antagonist that reverses the effects of opioids, such as morphine, on the central nervous system. One of the main adverse effects of opioids is respiratory depression, which can lead to hypoxia and death. Naloxone restores normal breathing by blocking the opioid receptors in the brain and spinal cord. Therefore, a therapeutic effect of naloxone is increased respiratory rate.

Choice C rationale:

Decreased blood pressure is not a therapeutic effect of naloxone, but rather a possible side effect of morphine. Naloxone would not affect the blood pressure significantly, unless the client had severe hypotension due to opioid overdose.

Choice D rationale:

Decreased nausea is not a therapeutic effect of naloxone, but rather a possible side effect of morphine. Naloxone would not affect the gastrointestinal system, unless the client had severe nausea and vomiting due to opioid overdose.

A. Taking an HMG COA reductase inhibitor B. Having a prolapsed mitral valve C. Having a 10-year history of COPD D. Taking a high-ceiling diuretic

Correct Answer is D

Explanation

Choice A rationale:

Taking an HMG-CoA reductase inhibitor (statin) is not directly related to digoxin toxicity.

Choice B rationale:

Having a prolapsed mitral valve is not a known risk factor for digoxin toxicity.

Choice C rationale:

Having a history of COPD is not directly associated with digoxin toxicity.

Choice D rationale:

High-ceiling diuretics (loop diuretics) can lead to electrolyte imbalances, such as hypokalemia, which can increase the risk of digoxin toxicity. Potassium plays a role in the effects of digoxin on the heart, and low levels can potentiate toxicity.

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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 administering naloxone to a client who has developed an adverse action to morphine. The nurse should identify which of the following findings as a therapeutic effect of naloxone?

Correct Answer is B

Explanation

A nurse is caring for a client who is taking digoxin to treat heart failure. Which of the following factors predisposes this client to developing digoxin toxicity?

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.)