Medicine In a patient if administration of exogeneus vasopressin does not increase the osmolality of urine the likely cause is A SIADH B Psychogenic polydipsia C Renal Hyposensitivity to ADH D ADH Deficiency 💡 Explanation In a patient if administration of exogeneus vasopressin does not increase the osmolality of urine the likely cause is ✓ Correct Answer: C. Renal Hyposensitivity to ADH