A nurse is assisting with the diagnostic workup of a client with suspected pulmonary edema. Which imaging modality can help identify the presence of fluid in the alveoli and interstitial spaces of the lungs?
Computed tomography (CT) scan
Magnetic resonance imaging (MRI)
Positron emission tomography (PET) scan
Ultrasound
The Correct Answer is A
A) Correct. A CT scan can help identify the presence of fluid in the alveoli and interstitial spaces of the lungs, making it a valuable tool in diagnosing pulmonary edema.
B) Incorrect. MRI is not typically used to diagnose pulmonary edema, as it may not provide as clear an image of lung tissue as a CT scan.
C) Incorrect. PET scans are more commonly used in oncology to detect metabolic activity and are not typically used for pulmonary edema diagnosis.
D) Incorrect. While ultrasound can be useful in assessing pleural effusions, it may not provide the same level of detail as a CT scan for diagnosing pulmonary edema.
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Related Questions
Correct Answer is B
Explanation
A) Incorrect. Increased lung compliance would not contribute to pulmonary edema; in fact, it might reduce the risk of fluid accumulation in the lungs.
B) Correct. Impaired alveolar fluid clearance, often due to altered pulmonary capillary permeability, is a key factor in the pathophysiology of pulmonary edema.
C) Incorrect. Constricted pulmonary blood vessels (vasoconstriction) would reduce blood flow to the lungs and are not a primary factor in pulmonary edema.
D) Incorrect. Enhanced left ventricular contractility, while beneficial for cardiac function, is not directly related to the development of pulmonary edema.
Correct Answer is C
Explanation
A) Incorrect. Elevated body temperature is not a typical manifestation of pulmonary edema.
B) Incorrect. Bradycardia is not a common finding in pulmonary edema.
C) Correct. Crackles in the lung fields are a hallmark sign of pulmonary edema due to the accumulation of fluid in the alveoli.
D) Incorrect. Hypertension is not a typical finding in pulmonary edema; it is more commonly associated with conditions like heart failure.
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