Q. Regarding renal handling of phosphate, which is INCORRECT? (Solved)
1. no tubular secretion occurs
2. most reabsorption occurs actively in proximal tubule
3. parathyroid hormone inhibits tubular reabsorption
4. less than 5% of filtered load is excreted
5. phosphate is a much more powerful buffer in tubular fluid than in blood
- d. less than 5% of filtered load is excreted