Q. Regarding renal handling of sodium, which is INCORRECT? (Solved)
1. more than 95% of filtered sodium is reabsorbed
2. proximal tubular reabsorption is an example of secondary active transport
3. aldosterone increases reabsorption despite increasing GFR
4. glucocorticoids may increase or decrease urinary excretion
5. renal oxygen consumption is directly proportional to sodium reabsorption
- c. aldosterone increases reabsorption despite increasing GFR