The function of vitamin K is______________?
Correct answer: B. Prothrombin formation
- A. Thrombin formation
- B. Prothrombin formation
- C. Fibrin formation
- D. Thromboplastin formation
Explanation
Vitamin K is required in the liver for synthesis of several clotting factors, especially prothrombin (factor II). It does not directly form thrombin or fibrin, which are produced later in the coagulation cascade.
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