Q. Regarding the buffer system in the tubular fluid, which one is TRUE? (Solved)

1. the main buffer system is H2PO4

2. the main mechanism of H+ secretion in the proximal tubule is via proton pump

3. dibasic phosphate buffer is most effective at proximal convoluted tubule

4. the H+ secretion at proximal tubule is mediated Na/K/ATPase

5. thick ascending limb of loop of Henle

  • d. the H+ secretion at proximal tubule is mediated Na/K/ATPase
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