Oedema is caused by fall in plasma proteins below
High-Yield Explanation
Ans. is `d' i.e., 50% o Normal plasma protein is 6-8 gm/d1. o Edema occurs when plasma protein falls below 5gm/d1. fall in percentage is (5/8 x 100):.=-: 63%. So, edema occurs when plasma proteins falls below 63% of normal.