One treatment for patients suffering from widespread swelling
(widespread accumulation of interstitial fluid; called "anasarca")
is a two-pronged approach which involves:
1. Administration of exogenous albumin, a protein already found
in high concentrations in the plasma, and
2. Administration of Lasix, a diuretic.
Based on your understanding of filtration, reabsorption, and
fluid homeostasis, why would this combination help remove
accumulated interstitial fluid and contribute it to urine?