This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kidneys and Body Fluids, Subject name: Physiology
Bicarbonate is absorbed 
Select and explain. 
A. Directly in PCT, B. Directly in DCT, C. Indirectly PCT, D. Indirectly in DCT
C: Indirectly PCT
Answer: C: Indirectly PCT 
Explanation: Ans. (c) Indirectly PCT(Ref: Ganongy 25th ed/p.679)For every H+ ion secreted out, one bicarbonate ion is resorbed indirectly in PCT