You are a physiologist on a space flight to a distant planet.You discover intelligent humanoid aliens inhabiting the planet andthey willingly submit to your tests. You discover that the alien'skidneys handle substance X just like human kidneys handle inulin.You also test the alien for its renal handling of substance Y. Thedata from that experiment are: Plasma substance X concentration: 5g/100ml; Plasma substance Y concentration: 2 g/100ml; 24 hoururine: 2 liters, containing 150 g substance X and 100 g substanceY. 1) What is the alien's glomerular filtration rate (GFR)? 2) Whatis the alien's urine clearance rate for substance Y? 3) Assumingsubstance Y is 100% filtered in the alien’s kidney glomerulus, isthere a net reabsorption or net secretion of substance Y in itsrenal tubules?.
