NEET Biology question

Biology Body Fluids and Circulation NEET

With the help of the following, identify the correct sequence that leads to the formation of a blood clot. I. Blood clot II. Injury III. Factor II IV. Factor III V. Factor IV VI. Fibrinogen VIII. Thrombin

(A)II → IV → III → V → VIII → VI → ICorrect
(B)II → III → IV → VI → I
(C)IV → II → III → VI → I
(D)II → III → V → VI → IV → I

Answer: (A)

Solution

Blood clotting begins with an injury (II), which exposes tissue factor/thromboplastin (Factor III). In the presence of calcium ions (Factor IV), Factor III helps convert prothrombin (Factor II) into the active enzyme thrombin (VIII).

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Question ID VK-111246