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: Medicine
RPGN occurs in A/E: 
Select and explain. 
A. SLE, B. Post streptococcal glomerulonephritis, C. Diabetic nephropathy, D. Good pastures syndromes
C: Diabetic nephropathy
Answer: C: Diabetic nephropathy 
Explanation: Answer is C (Diabetic Nephropathy) Diabetic Nephropathy is not associated pith rapidv protTessive Glomerulonephritis (RPGN). Acute post streptococcal GN, SLE and Good pasture's syndrome are all associated with Rapidly progressive Glomerulonephritis.