A nurse is monitoring the pulmonary artery wedge pressure (PAWP) for a client. The nurse should identify that a reading of 17 mm Hg is an indication of which of the following conditions?

Right ventricular failure

Fluid volume deficit

Mitral regurgitation

Afterload reduction

Answer and Explanation

The Correct Answer is C

Choice A Reason: This is incorrect because right ventricular failure would cause an increase in right atrial pressure and right ventricular end-diastolic pressure, but not in PAWP, which reﬂects left atrial pressure and left ventricular end- diastolic pressure.

Choice B Reason: This is incorrect because ﬂuid volume deficit would cause a decrease in PAWP, as there would be less blood volume in the pulmonary circulation.

Choice C Reason: This is correct because mitral regurgitation would cause an increase in PAWP, as the blood would back up into the left atrium and pulmonary veins due to the incompetent mitral valve.

Choice D Reason: This is incorrect because afterload reduction would cause a decrease in PAWP, as there would be less resistance to the left ventricular ejection and less blood volume in the pulmonary circulation.

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Correct Answer is A

Explanation

Choice A Reason: This is correct because respiratory acidosis is characterized by a low pH and a high PaCO2, indicating that the client has impaired ventilation and excess carbon dioxide in the blood.

Choice B Reason: This is incorrect because respiratory alkalosis is characterized by a high pH and a low PaCO2, indicating that the client has increased ventilation and reduced carbon dioxide in the blood.

Choice C Reason: This is incorrect because metabolic acidosis is characterized by a low pH and a low HCO3, indicating that the client has an excess of metabolic acids or a loss of base in the blood.

Choice D Reason: This is incorrect because metabolic alkalosis is characterized by a high pH and a high HCO3, indicating that the client has an excess of base or a loss of metabolic acids in the blood.

A. Magnesium 2.5 mEq/L B. Serum osmolality 290 mOsm/kg H2O C. Blood urea nitrogen (BUN) 20 mg/dL D. Serum creatinine 1.8 mg/dL

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).

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A nurse is monitoring the pulmonary artery wedge pressure (PAWP) for a client. The nurse should identify that a reading of 17 mm Hg is an indication of which of the following conditions?

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