Question 7

Which of the following statements accurately describes the normal coagulation cascade?

A. Fibrinogen is converted to fibrin by activated factor X.
B. The intrinsic pathway is initiated by tissue factor exposure.
C. Platelets play a central role in the extrinsic pathway.
D. The common pathway results in the formation of a stable fibrin clot.



Answer :

Final answer:

The coagulation cascade involves the conversion of fibrinogen to fibrin by activated factor X, culminating in stable fibrin clot formation.


Explanation:

Fibrinogen is converted to fibrin by activated factor X in the common pathway of the coagulation cascade. After factor X activation, prothrombinase converts prothrombin into thrombin, which then transforms fibrinogen into insoluble fibrin strands. Factor XIII stabilizes the fibrin clot, leading to clot formation.


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