A nurse is caring for a client undergoing diagnostic evaluation for suspected pulmonary edema. Which finding on an arterial blood gas (ABG) analysis is consistent with pulmonary edema?
Decreased pH (acidosis)
Elevated partial pressure of oxygen (PaO2)
Decreased partial pressure of carbon dioxide (PaCO2)
Increased bicarbonate (HCO3-) levels
The Correct Answer is A
A) Correct. Pulmonary edema can lead to impaired gas exchange, resulting in respiratory acidosis, characterized by a decreased pH on ABG analysis.
B) Incorrect. Pulmonary edema typically leads to decreased oxygenation, so an elevated PaO2 would not be consistent with this condition.
C) Incorrect. A decreased PaCO2 is more commonly associated with respiratory alkalosis and is not a primary finding in pulmonary edema.
D) Incorrect. Increased bicarbonate (HCO3-) levels are more indicative of metabolic alkalosis and are not typically associated with pulmonary edema.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A) Incorrect. Regular physical exercise is generally a healthy behavior and is not a risk factor for pulmonary edema.
B) Incorrect. Low blood pressure (hypotension) is not a risk factor for pulmonary edema; in fact, high blood pressure (hypertension) is a more common risk factor.
C) Incorrect. Adequate fluid intake is important for overall health but is not a direct risk factor for pulmonary edema.
D) Correct. Chronic kidney disease can lead to fluid and electrolyte imbalances, which can contribute to the development of pulmonary edema.
Correct Answer is A
Explanation
A) Correct. Skin temperature and color can provide important clues about tissue perfusion and oxygenation, which are critical in pulmonary edema.
B) Incorrect. While urinary output is important, it is not the primary focus when monitoring respiratory status in pulmonary edema.
C) Incorrect. Bowel sounds are unrelated to pulmonary edema and should not be the priority assessment.
D) Incorrect. Peripheral edema may be a sign of fluid retention, but skin color and temperature are more directly related to respiratory status.
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