Pathology Serum C3 is persistently low in the following except – A Post-streptococcal glomerulonephritis B Membranoproliferative glomerulonephritis C Lupus nephritis D GlomerulonePhritis related to bacterial endocarditis 💡 Explanation Serum C3 is persistently low in the following except - ✓ Correct Answer: A. Post-streptococcal glomerulonephritis