<prompt> The cause of oedema in Nephritic syndrome is -Decreased in plasma protein concentrationIncreased in plasma protein concentrationReduced plasma osmotic pressureSodium and water retension  <response>: Ans. is d i.e., Sodium and water retensiono Cause of edema:?i In nephrotic syndrome -- Hypoproteinemia decreased plasma protein concentration and edema is massive.ii In nephritic syndrome -- results from sodium and water retention and edema is usually mild. 