Vitamin K is necessary for the formation of the following factors by the liver except: (A) Factor II, (B) Factor VII, (C) Factor IX, (D) Factor V
Answer is D. 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