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
Which component of HBV causes glomerulonephritis 
Select and explain. 
A. Hbe Ag, B. HBc Ag, C. Hbs Ag, D. Anti HBs Ag antibody
C: Hbs Ag
Answer: C: Hbs Ag 
Explanation: Ans is 'c' i.e., Hbs Ago Immune complex mediated tissue damage is the cause of glomerulonephritis in HBV infection.o Immune complex consists Hbs Ag and antiHBs.o Hbs Ag is a structural component HBV, while Anti Hbs Ag is formed by the host.o So, Hbs Ag is the component of HBV that is responsible for glomerulonephritis.