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
[{'content': 'Bicarbonate is absorbed \nSelect and explain. \nA. Directly in PCT, B. Directly in DCT, C. Indirectly PCT, D. Indirectly in DCT', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Indirectly PCT(Ref: Ganongy 25th ed/p.679)For every H+ ion secreted out, one bicarbonate ion is resorbed indirectly in PCT', 'role': 'assistant'}]