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
CD 95 is a marker of - 
Select and explain. 
A. Intrinsic pathway of apoptosis, B. Extrinsic pathway of apoptosis, C. Monocyte, D. Leucocyte
B: Extrinsic pathway of apoptosis
Answer: B: Extrinsic pathway of apoptosis 
Explanation: Ans. is 'b' i.e. Extrinsic pathway of apoptosiso CD 95 is a marker of extrinsic pathway of apoptosis.