This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidney, Subject name: Pathology
Which component of HBV causes glomerulonephritis- 
Select and explain. 
A. HbeAg, B. HBcAg, C. HBsAg, D. Anti HBs Ag antibody
C: HBsAg
Answer: C: HBsAg 
Explanation: Ans. (c) HBsAg(Ref: Robbins 9th/pg 914; 8th/pg 922)HBsAg causes Glomerulonephritis with Nephrotic syndromeHBsAg, immunoglobulin, and C3 deposition has been found in the glomerular basement membrane.