. Mr. Smith, who has alcoholic cirrhosis (liver disease), hasnoticed significant swelling (edema) to his lower extremities thathe no longer can put on his shoes. a. What do you think is thecause of his edema? Explain your answer. b. If his NFP at thearteriole side of the capillary bed is +10 mm Hg, what would youexpect it to be at the venule end, positive or negative? Explainwhile discussing hydrostatic and osmotic pressures in thecapillaries and interstitial fluid and define NFP. State theequation for calculating NFP.