<prompt> The most common glomerulonephritis is...Membranous GNIgA nephropathyPSGNRPGN  <response>: Ans: b IgA nephropathy Ref: Robbins, 7th ed, p. 986 IgA nephropathy is the most common cause of GN worldwide Also called Bergers disease IgA deposits in mesangium along with IgQ IgM, C3. properdin CF: Hematuria after a respiratoryurinaryGIT infection Rx: Steroids high dose.Remember... Most common glomerulonephritis is IgA nephropathy Most common nephrotic syndrome is membranous glomerulonephropathy. 