Question

During the process of blood coagulation vitamin $K$ helps in the :

• A. The formation of thromboplastin
• B. The formation of prothrombin
• C. The conversion of prothrombin to thrombin
• D. The conversion of fibrinogen to fibrin

Answer 1

Answer: (B)

Blood clotting factors are needed for the blood to clot or for coagulation. Prothrombin, or factor II is one of the clotting factors made by the liver. Vitamin K is needed to make prothrombin and other clotting factors.