Physiology Renal physiology c5491707 In proximal tubule, HCO3 is absorbed with the step of A Na+ Cl cotranspoer B Na+ - K+2Cl contraspoer C Na+ - H+ exchanger D Na+ -K+ exchanger High-Yield Explanation HCO3 is absorbed with the step of Na+ - H+ exchanger Ref: Ganong's review of medical physiology; 24th edition; page no; 680 Ref of imag :