| a | b | c | d | |
| 1. | T | F | F | T |
| 2. | T | T | F | F |
| 3. | T | T | T | T |
| 4. | F | T | F | T |
| Statement A: | The main differentiating factor between cortical and juxtamedullary nephrons is the length of the loop of Henle. |
| Statement B: | Vasa recta is absent or highly reduced in cortical nephrons. |
| 1. | Only statement A is correct. |
| 2. | Only statement B is correct. |
| 3. | Both statements A and B are correct. |
| 4. | Both statements A and B are incorrect. |