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Question
Which is the correct order in which the proteins participate in clotting of blood?
Which is the correct order in which the proteins participate in clotting of blood?
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Solution
The correct option is B Thromboplastin - Prothrombin- Thrombin - Fibrinogen - Fibrin
- Blood clotting occurs following an injury or trauma. This is a mechanism to prevent excessive loss of blood from the body.
- A clot is formed mainly of a network of threads, called fibrin.
- An injury stimulates the platelets in the blood to release certain factors, which activate the mechanism of coagulation.
- Platelets are a source of thromboplastin. Thromboplastinconverts prothrombin, which is a plasma protein that is formed in the liver, into the enzyme thrombin.
- In turn, thrombin converts fibrinogen into fibrin. Fibrin is insoluble and forms the threads that bind the clot.
- Thus, the correct answer is option B.
- Blood clotting occurs following an injury or trauma. This is a mechanism to prevent excessive loss of blood from the body.
- A clot is formed mainly of a network of threads, called fibrin.
- An injury stimulates the platelets in the blood to release certain factors, which activate the mechanism of coagulation.
- Platelets are a source of thromboplastin. Thromboplastinconverts prothrombin, which is a plasma protein that is formed in the liver, into the enzyme thrombin.
- In turn, thrombin converts fibrinogen into fibrin. Fibrin is insoluble and forms the threads that bind the clot.
- Thus, the correct answer is option B.
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