Vitamin K dependent coagulation factors include: (A) II and III, (B) IX and X, (C) III and V, (D) VIII and XII
Answer is B. Vitamin K is an essential factor to a liver carboxylase that adds a carboxyl group to glutamic acid residues on five of the impoant clotting factors: prothrombin, Factor VII, Factor IX, Factor X, and protein C.Ref: Guyton and Hall textbook of medical physiology 13th edition. Page: 490