A nurse is caring for a client with suspected pulmonary embolism who is undergoing diagnostic testing. What diagnostic test is often used as an initial screening tool for pulmonary embolism?
Computed tomography angiography (CTA)
Magnetic resonance imaging (MRI)
Chest X-ray
Electrocardiogram (ECG)
The Correct Answer is A
A) Correct. Computed tomography angiography (CTA) is often used as an initial screening tool for pulmonary embolism, as it provides detailed images of the pulmonary arteries.
B) Incorrect. Magnetic resonance imaging (MRI) may be used in some cases but is less commonly employed as an initial screening tool for pulmonary embolism.
C) Incorrect. Chest X-ray is typically not sensitive enough to diagnose pulmonary embolism directly but may show other related findings, such as an enlarged heart or lung abnormalities.
D) Incorrect. Electrocardiogram (ECG) may help identify signs of right heart strain or dysfunction caused by a pulmonary embolism but is not a primary diagnostic tool for detecting emboli in the pulmonary arteries.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. tPA therapy is not primarily used for pain relief but rather for clot dissolution.
B) Incorrect. While improving lung function and oxygenation is a goal in treating pulmonary embolism, tPA's primary purpose is to dissolve existing blood clots.
C) Correct. tPA (tissue plasminogen activator) is a thrombolytic agent used to break down and dissolve existing blood clots in the pulmonary arteries, improving blood flow.
D) Incorrect. tPA is not used to prevent the formation of new blood clots but rather to treat existing clots.
Correct Answer is C
Explanation
A) Incorrect. While surgical trauma can be a risk factor, it is not solely associated with incisions and scars.
B) Incorrect. The risk of pulmonary embolism after surgery is not low, and specific factors do contribute to the risk.
C) Correct. Prolonged immobility, surgical trauma, and changes in blood clotting are common risk factors for post-surgery pulmonary embolism.
D) Incorrect. Excessive fluid intake during recovery is not a primary risk factor for post-surgery pulmonary embolism.
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