<prompt> Hematuria with dysmorphic RBCs is a feature of which one of the following ?Acute cystitisProstatitisHereditary nephritisCyclophosphamide toxicity  <response>: Hereditary nephritis is a genetically heterogeneous disorder characterized by nephritic syndrome ie, hematuria, proteinuria, hypeension, eventual renal insufficiency often with sensorineural deafness and, less commonly, ophthalmologic symptoms. Cause is a gene mutation affecting type IV collagen Ref Harrison20th edition pg 278 