This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glomerular Diseases, Subject name: Medicine
All can cause R.P.G.N., Except: 
Select and explain. 
A. Minimal change glomerulonephritis, B. Poststreptococcal glomerulonephritis, C. Wegener granulomatosis, D. S.L.E.
A: Minimal change glomerulonephritis
Answer: A: Minimal change glomerulonephritis 
Explanation: Ans. is 'a' Minimal change glomerulonephritis (Ref: Chandrasoma Taylor, 3/e, p711, Harrison 17/e p 1786, 1789, 1787 & 16/e, p 1685).* Rapidly progressive glomerulonephritis is a heterogenous condition that probably represents the end result of glomerular damage occurring in many diseases. It is defined by 2 criteria.1. Presence of epithelial crescents in more than 70% of glomeruli*2. Occurrence of rapidly progressive renal failure.