PCT absorbs all except: September 2008
Ans. D: Hydrogen ions Normally 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 secretes organic acids, bases and hydrogen ions into the tubular lumen.
Sodium
Amino acids
Glucose
Hydrogen ions