Extrinsic pathway of coagulation is tested by?
Correct Answer: PT
Description: Simple tricks to remember questions of hemostasis:
Intrinsic pathway – XII —> XI —> IX —> X (Help of VIII, IV)
Extrinsic pathway – III —> VII —> X
Common pathway – X —> II —> I —> fibrin plug (help of V, XIII)
Vitamin K dependent clotting factors - 2, 7, 9, 10 (protein C and S) - mainly extrinsic pathway
Vitamin K antagonists - Coumarin derivatives (dicoumarol) and warfarin
Category:
Physiology
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