A nurse is caring for a client with a pulmonary embolism who is receiving tissue plasminogen activator (tP therapy. What is the primary purpose of tPA in this situation?
To reduce pain and discomfort associated with pulmonary embolism
To improve lung function and oxygenation
To dissolve existing blood clots in the pulmonary arteries
To prevent the formation of new blood clots
The Correct Answer is C
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.
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Related Questions
Correct Answer is C
Explanation
A) Incorrect. A complete blood count (CBC) provides information about the composition of blood cells but is not specific to pulmonary embolism.
B) Incorrect. Arterial blood gas (ABG) analysis helps assess oxygen and carbon dioxide levels but is not a primary test for diagnosing pulmonary embolism.
C) Correct. The D-dimer assay measures a substance released when a blood clot breaks up. Elevated D-dimer levels can suggest the presence of a blood clot, but it is not specific to pulmonary embolism.
D) Incorrect. Creatine kinase (CK) levels are used to assess muscle damage and are not a primary test for diagnosing pulmonary embolism.
Correct Answer is C
Explanation
A) Incorrect. Oxygen therapy is not administered to increase heart rate but rather to improve oxygen delivery to tissues.
B) Incorrect. While oxygen therapy may help alleviate anxiety related to shortness of breath, its primary goal is to address oxygenation.
C) Correct. The primary goal of oxygen therapy in pulmonary embolism is to improve oxygen saturation and tissue oxygenation, as pulmonary embolism can lead to decreased oxygen levels in the blood.
D) Incorrect. Oxygen therapy is not used to lower blood pressure but rather to address oxygenation and tissue oxygen delivery.
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