This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Medicine
All of the following are associated with low complement levels except 
Select and explain. 
A. Lupus nephritis, B. Mesangio capillary glomerulonephritis, C. Diarrhea-associated hemolytic uremic syndrome, D. Post-infections glomerulonephritis
C: Diarrhea-associated hemolytic uremic syndrome
Answer: C: Diarrhea-associated hemolytic uremic syndrome 
Explanation: Causes of glomerulonephritis associated with low serum complement - Post-infection glomerulonephritis- Subacutebacterialinfection: especially endocarditis- Systemic lupus erythematosus- Cryoglobulinaemia- Mesangiocapillaryglomerulonephritis, usually complementRef: Davidson's 22/e p501