A nurse is caring for a client who has a pulmonary embolism and has a new prescription for enoxaparin 1.5 mg/kg/dose subcutaneously every 12 hours. The client weighs 245 lbs. How many mg should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

Answer and Explanation

The Correct Answer is ["167 "]

To calculate the dose of enoxaparin, follow these steps:

1) Convert the client's weight from pounds to kilograms:

245 lbs / 2.2046 (kg/lb) = 111.13 kg (rounded to the nearest whole number, it's 111 kg).

2) Multiply the weight in kilograms by the prescribed dose per kilogram:

111 kg x 1.5 mg/kg = 166.5 mg.

Round the answer to the nearest whole number, so the nurse should administer 167 mg per dose of enoxaparin every 12 hours to the client with a pulmonary embolism.

Pulmonary Embolism (PE): Symptoms, Signs & Treatment

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Correct Answer is C

Explanation

Choice A Reason: This is incorrect because hypervolemia is a condition of excess ﬂuid volume in the body. A client who has an extensive burn injury is more likely to have hypovolemia, which is a condition of low ﬂuid volume, due to ﬂuid loss from the damaged skin and capillaries.

Choice B Reason: This is incorrect because metabolic alkalosis is a condition of high blood pH and high bicarbonate level. A client who has an extensive burn injury is more likely to have metabolic acidosis, which is a condition of low blood pH and low bicarbonate level, due to increased production of lactic acid and ketones from tissue hypoxia and breakdown.

Choice C Reason: This is correct because low hemoglobin is a common laboratory finding in a client who has an extensive burn injury. Hemoglobin is the protein in red blood cells that carries oxygen. A client who has an extensive burn injury may have low hemoglobin due to hemolysis, which is the destruction of red blood cells, or hemorrhage, which is the loss of blood.

Choice D Reason: This is incorrect because hyperkalemia is a condition of high blood potassium level. A client who has an extensive burn injury may have hyperkalemia in the early phase of injury, due to cell damage and potassium release, but it is usually transient and followed by hypokalemia, which is a condition of low blood potassium level, due to ﬂuid loss and potassium depletion.

A. Monitor the client's electrolyte levels. B. Suction saliva from the client's mouth. C. Record the client's intake and output. D. Perform passive range of motion on each extremity.

Correct Answer is B

Explanation

Choice A Reason: This is incorrect because monitoring the client's electrolyte levels is not the highest priority, as it does not address the immediate risk of airway obstruction or aspiration.

Choice B Reason: This is correct because suctioning saliva from the client's mouth is the highest priority, as it prevents airway obstruction and aspiration, which can lead to respiratory distress and infection.

Choice C Reason: This is incorrect because recording the client's intake and output is not the highest priority, as it does not address the immediate risk of airway obstruction or aspiration.

Choice D Reason: This is incorrect because performing passive range of motion on each extremity is not the highest priority, as it does not address the immediate risk of airway obstruction or aspiration.

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Naxlex Comprehensive Predictor Exams

A nurse in an emergency department is reviewing the medical record of a client who has an extensive burn injury. Which of the following laboratory results should the nurse expect?

Correct Answer is C

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Correct Answer is B

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