The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Vitamin K antagonizes   (A) Corticosteroids   (B) Thrombin formation   (C) Bishydroxy coumarin   (D) Production of clotting factors by liver
['(C) Bishydroxy coumarin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Corticosteroids \n (B) Thrombin formation \n (C) Bishydroxy coumarin \n (D) Production of clotting factors by liver <> possible answers', '  Vitamin K antagonizes <> context@']