How does DCT maintain the pH and sodium-potassium balance in blood?

How does DCT maintain the pH and sodium-potassium balance in blood?
  1. By reabsorbing essential nutrients
  2. By reabsorbing HCO₃⁻ and secreting hydrogen and potassium ions and NH₃
  3. By maintaining osmolarity of medullary interstitial fluid
  4. By concentrating filtrate as it moves down

Solution

The DCT maintains the pH and sodium-potassium balance in blood by reabsorbing HCO₃⁻ and selectively secreting hydrogen and potassium ions and NH₃.

Asked in: NCERT

Practice more Excretory Products and their Elimination questions on Aicharya