This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Vitamin K is involved in action of following protein except - 
Select and explain. 
A. Factor II, B. Factor X, C. Factor I, D. Protein C
C: Factor I
Answer: C: Factor I 
Explanation: Ans. is 'c' i.e., Factor I