Physiology Which of the following feature(s) is/are suggestive of nehogrnic DI in comparison to central DI : A Desmopressin nasal spray restore urine output to normal level B Basal vasopressin level > 1 pg/ml C Normal posterior pituitary bright spot is not visible on MRI scan D Change in water loss during fluid deprivation test 💡 Explanation Which of the following feature(s) is/are suggestive of nehogrnic DI in comparison to central DI : ✓ Correct Answer: B. Basal vasopressin level > 1 pg/ml