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What does aspirin do to the Bleeding Time?

Question:

What does aspirin do to the Bleeding Time?

Platelets:

Platelets are cells in the blood that play a key role in the cessation of bleeding. Platelets initiate a blood clot by aggregating together and releasing factors that promote coagulation.

Answer and Explanation: 1

Aspirin increases bleeding time. Bleeding time is a test that evaluates how well a person is able to stop bleeding. A small, standardized incision is made. The amount of time from when the incision is made to the cessation of bleeding is the bleeding time.

Aspirin causes prolonged bleeding times because it inhibits prostaglandin synthesis and inhibits platelet aggregation.


Learn more about this topic:

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Platelets and Coagulation Tests

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Chapter 19 / Lesson 11
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Explore PT vs. PTT as blood tests for clotting disorders. Learn about blood clotting in the body, different clotting factor tests, and how to interpret the results.


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