2805. Which of the following is important in renal excretion of hydrogen ion ?

A. Combining H+ with Cl- to form Hcl
B. Combining H+ and HCO3- via enzyme carbonic anhydrase
C. Trapping H+ by acetate
D. Trapping H+ by NH3+
✅ The correct answer is option D. Trapping H+ by NH3+.

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