| Statement I: | ADH increases water reabsorption in the collecting ducts of the nephron. |
| Statement II: | ADH secretion is stimulated when blood osmolarity decreases. |
| 1. | Statement I is correct; Statement II is correct. |
| 2. | Statement I is correct; Statement II is incorrect. |
| 3. | Statement I is incorrect; Statement II is correct. |
| 4. | Statement I is incorrect; Statement II is incorrect. |