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
Chronic persistent hepatitis and chronic active hepathitis are differentiated by - 
Select and explain. 
A. Anti-SM, B. CRP, C. Ahritis, D. Liver biospy
D: Liver biospy
Answer: D: Liver biospy 
Explanation: Ans. is 'd' i.e., Liver biospyo Chronic persistent hepatitis and chronic active hepatis are differentiated depending upon histopathological features. For histopathologicalexamination liver biopsy is required.