Q. With respect to GFR: (Solved)
1. clearance of p-amino hippuric acid is used to determine GFR
2. inulin cannot be used to measure GFR
3. GFR is usually reduced in ureteric obstruction
4. filtration pressure changes with change in blood pressure
5. contraction of mesangial cells increases GFR
- c. GFR is usually reduced in ureteric obstruction