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: Pathology
To test hepatic function to assess bleeding disorder clinical test done is: 
Select and explain. 
A. CT, BT, B. PTT, C. Factor 8, D. None of the above
B: PTT
Answer: B: PTT 
Explanation: PTT