NEET Biology question

Which of these are necessary for initiation of blood clotting process?

(A)Prothrombinase and thrombin
(B)Tissue factor, Hageman factor and Ca2+Correct
(C)Prothrombinase and K+
(D)Prothrombinase, tissue factor and Ca2+

Answer: (B)

Solution

Blood clotting is initiated when an injury exposes tissue factor (thromboplastin) and activates factor XII (Hageman factor), with calcium ions required

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Question ID VK-116366