Question

A 45-year-old man has polyuria, polydipsia, high serum sodium, and very dilute urine. Water deprivation test does not increase urine osmolality, but it does increase after desmopressin. Which condition is indicated?

Accepted Answer

Central diabetes insipidus

Answer

Type 2 diabetes mellitus

Answer

Psychogenic polydipsia

Answer

Nephrogenic diabetes insipidus

Answer

Diabetes mellitus with hypercalcemia

Practice question

A 45-year-old man has polyuria, polydipsia, high serum sodium, and very dilute urine. Water deprivation test does not increase urine osmolality, but it does increase after desmopressin. Which condition is indicated?