Given below are two statements.
Assertion (A): Thrombokinase converts prothrombin to thrombin.
Reason (R): Thrombin converts fibrinogen to fibrin.
In the light of above statements, choose the correct answer from the options given below.

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A is true, but R is false

Both A and R are true but R does not explain A

Both A and R are false

Both A and R are true and R explains A

answer is B.

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Detailed Solution

Thrombokinase converts prothrombin to thrombin. In turn, thrombin converts fibrinogen to fibrin. An injury or a trauma stimulates the platelets in the blood to release certain factors which activate the mechanism of coagulation.

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