A client with pulmonary embolism is prescribed an inferior vena cava (IVC) filter. What is the primary purpose of an IVC filter in this situation?
To administer anticoagulant medications directly into the bloodstream
To prevent airway obstruction
To capture and prevent blood clots from reaching the pulmonary circulation
To deliver oxygen directly to the lungs
The Correct Answer is C
A) Incorrect. An IVC filter is not used to administer anticoagulant medications but rather to prevent blood clots from reaching the pulmonary circulation.
B) Incorrect. IVC filters are not used to prevent airway obstruction.
C) Correct. The primary purpose of an IVC filter is to capture and prevent blood clots from reaching the pulmonary circulation, reducing the risk of pulmonary embolism.
D) Incorrect. IVC filters are not used to deliver oxygen directly to the lungs but rather to prevent emboli from reaching the lungs.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Incorrect. Age can influence the risk of pulmonary embolism, and it tends to increase with age.
B) Incorrect. While younger individuals can develop pulmonary embolism, the risk generally rises with age.
C) Correct. Pulmonary embolism risk is higher in older individuals, particularly those over 60.
D) Incorrect. Age is one of many factors that contribute to the risk of pulmonary embolism.
Correct Answer is A
Explanation
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.
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