This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nephrotic and Nephritic syndrome, Subject name: Medicine
Membranous GN with reduced complement level is seen in? 
Select and explain. 
A. Hepatitis B, B. SLE, C. Malaria, D. Syphilis
B: SLE
Answer: B: SLE 
Explanation: MGN is subtype of nephrotic associated with solid organ tumours MGN is related to the infections mentioned in answer All of these lead to subepithelial deposits with uniform thickening of basement membrane but does not have low complement level. Lupus nephritis / SLE however is the only one that leads to low complement and similar Histopath changes of MGN.