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
Persistent low C3 complement level is not found in 
Select and explain. 
A. Post streptococcal glomerulonephritis, B. Mesangiocapillary glomerulonephritis, C. Cryoglobulinemia, D. SLE
A: Post streptococcal glomerulonephritis
Answer: A: Post streptococcal glomerulonephritis 
Explanation: Ans. is 'a' i.e. poststreptococcal glomerulonephritis In post streptococcal glomerulonephritis the serum complement level is decreased transiently (not persistently)They classically return to normal within 6-8 weeks.Persistently decreased complement level after this period should suggest another disease.Also knowMembranoproliferative glomerulonephritis is characterized histologically by alterations in the basement membrane, proliferation of glomerular cells and leucocyte infiltration.Because the proliferation is predominantly in the mesangium a frequently used synonym is mesangiocapillary glomerulonephritis.