This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Reabsorption of Water is maximum in:September 2009, September 2012, March 2013 
Select and explain. 
A. PCT, B. DCT, C. Collecting duct, D. Loop of henle
A: PCT
Answer: A: PCT 
Explanation: Ans. A: PCTNormally about 65% of the filtered load of sodium and water, essentially all the filtered glucose and amino acids and a slightly lower percentage of filtered chloride are reabsorbed by the proximal tubule.The proximal tubules also secrete organic acids, bases and hydrogen ions into the tubular lumen.