Question: is reabsorbed in the proximal tubule?
Answer: A large amount of reabsorption occurs in the PCT. Reabsorption is when water and solutes in the PCT are removed and moved back into the blood. ... The reabsorption in the proximal tubule is isosmotic. In the PCT 65% of water, 100% of glucose, 100% amino acids, 65% of potassium, 65% chloride and 67% of sodium is reabsorbed.