The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Vitamin K:   (A) Helps in formation of prothrombin   (B) Inhibition of antithrombin   (C) Prevention of capillary fragility   (D) Stimulation of hematopoiesis in red bone marrow
['(A) Helps in formation of prothrombin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Helps in formation of prothrombin \n (B) Inhibition of antithrombin \n (C) Prevention of capillary fragility \n (D) Stimulation of hematopoiesis in red bone marrow <> possible answers', '  Vitamin K: <> context@']