Ans. is 'a' i.e., Selective proteinuria It is a case of nephrotic syndrome due to minimal change disease (MCD). o MCD is the most common cause of nephrotic syndrome in children* Microscopic findings of urine in MCD Protenuria o Principally albumin (which is a low molecular weight protein) a High molecular weight proteins are seen in minimal amounts. a This type of proteinuria is known as selective proteinuria. WBC --> Absent o RBC --> Absent o hyaline cast ---> can be seen o Focal segmental Glomeruloclerosis can also cause nephrotic syndrome but the urine examination in these patients will reveal protein, WBC's and RBC's .