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.)
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is D
Explanation
Choice A Reason: This is incorrect because magnesium 2.5 mEq/L is a normal value and does not indicate an increased risk of AKI. Magnesium is an electrolyte that plays a role in muscle and nerve function, blood pressure regulation, and energy production. The normal range for magnesium is 1.5 to 2.5 mEq/L.
Choice B Reason: This is incorrect because serum osmolality 290 mOsm/kg H2O is a normal value and does not indicate an increased risk of AKI. Serum osmolality is a measure of the concentration of solutes in the blood, such as sodium, glucose, and urea. The normal range for serum osmolality is 275 to 295 mOsm/kg H2O.
Choice C Reason: This is incorrect because blood urea nitrogen (BUN) 20 mg/dL is a normal value and does not indicate an increased risk of AKI. BUN is a measure of the amount of urea, a waste product of protein metabolism, in the blood. The normal range for BUN is 7 to 20 mg/dL.
Choice D Reason: This is correct because serum creatinine 1.8 mg/dL is an elevated value and indicates an increased risk of AKI. Creatinine is a waste product of muscle metabolism that is filtered by the kidneys. The normal range for serum creatinine is 0.6 to 1.2 mg/dL for women and 0.7 to 1.3 mg/dL for men. An increase in serum creatinine indicates a decrease in kidney function and glomerular filtration rate (GFR).
Correct Answer is C
Explanation
Choice A Reason: This is incorrect because clamping the client's chest tube can cause a tension pneumothorax, which is a life-threatening condition that requires immediate intervention.
Choice B Reason: This is incorrect because increasing the client's wall suction can cause excessive negative pressure in the pleural space, which can damage the lung tissue and impair ventilation.
Choice C Reason: This is correct because repositioning the client can help relieve chest burning, which may be caused by irritation of the intercostal nerves by the chest tube or by air trapping in the pleural space.
Choice D Reason: This is incorrect because stripping the client's chest tube can create high negative pressure in the pleural space, which can damage the lung tissue and impair ventilation.
