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What precipitates the conversion of fibrinogen after an injury?Multiple choice question.The release of prothrombinThe release of fibrinThe release of thrombin

Question

What precipitates the conversion of fibrinogen after an injury?

  • The release of prothrombin
  • The release of fibrin
  • The release of thrombin
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Solution

The conversion of fibrinogen after an injury is precipitated by the release of thrombin. Here's a step-by-step explanation:

  1. When an injury occurs, the body responds by initiating the process of blood clotting or coagulation to prevent excessive bleeding.

  2. This process involves a series of reactions that lead to the formation of a protein called thrombin.

  3. Thrombin then acts on a protein present in blood plasma called fibrinogen.

  4. The action of thrombin converts fibrinogen into fibrin.

  5. Fibrin strands then stick together and form a meshwork at the site of injury. This meshwork traps blood cells and platelets, forming a clot that stops bleeding.

So, the correct answer to your multiple-choice question is "The release of thrombin".

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