Q. Regarding renal handling of bicarbonate ion, which is INCORRECT? (Solved)
1. small size of bicarbonate ion affects reabsorption
2. reabsorption is reciprocally related to chloride ion reabsorption in proximal tubule
3. most reabsorption occurs in proximal tubule
4. reabsorption requires carbonic anhydrase
5. reabsorption is decreased by ECF expansion
- a. small size of bicarbonate ion affects reabsorption