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: Biochemistry
Vitamin K dependent coagulation factors include: 
Select and explain. 
A. II and III, B. IX and X, C. III and V, D. VIII and XII
B: IX and X
Answer: B: IX and X 
Explanation: B i.e. IX and X