Which of the following is vitamin K-dependent clotting factor?: (A) Factor VII, (B) Factor I, (C) Factor XI, (D) Factor XII
Answer is A. Ans. (A) Factor VII(Ref: Ganong, 21/e p547)Vitamin K-dependent factors are clotting factor II (prothrombin), VII, IX, and X and anti-clotting factors protein C and protein S.