Medicine Which nephritogenic antigen is detected in subepithelial humps of PSGN? A Streptococcal pyrogenic exotoxin B B Nephritis associated plasmin receptor C M antigen D P antigen 💡 Explanation Which nephritogenic antigen is detected in subepithelial humps of PSGN? ✓ Correct Answer: A. Streptococcal pyrogenic exotoxin B