A nurse is caring for a client with suspected pulmonary embolism. The client's oxygen saturation drops significantly, and the nurse observes cyanosis of the lips and nail beds. Which term best describes this clinical finding?
Jaundice
Pallor
Erythema
Cyanosis
The Correct Answer is D
A) Incorrect. Jaundice is a yellowing of the skin and sclera due to elevated bilirubin levels, which is not described in the client's symptoms.
B) Incorrect. Pallor refers to paleness of the skin, which is not consistent with the client's cyanosis.
C) Incorrect. Erythema refers to redness of the skin due to increased blood flow, which is not the best description of the client's symptoms.
D) Correct. Cyanosis is the bluish discoloration of the skin, lips, and nail beds due to decreased oxygen saturation in the blood, which is indicative of a severe oxygen deficit often seen in pulmonary embolism.
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Related Questions
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.
Correct Answer is B
Explanation
A) Incorrect. High-intensity exercise may not necessarily reduce the risk and could potentially increase the risk if it leads to prolonged immobility afterward.
B) Correct. Maintaining a healthy weight, regular physical activity, and avoiding smoking are known lifestyle factors that can reduce the risk of pulmonary embolism.
C) Incorrect. Lifestyle changes, as mentioned, can play a role in prevention.
D) Incorrect. While stress reduction is beneficial for overall health, it is not specifically linked to the prevention of pulmonary embolism.
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