<prompt> Urine osmolality in Diabetes insipidus is150 mmolL300 mmolL600 mmolL900 mmolL  <response>: Diabetes insipidus is condition characterised by excessive thirst excretion of large amounts of severely diluted urine Those with diabetes insipidus continue to uinate large amount of urine in spite of water deprivation.Ref: DM Vasudevan, 7th edition, page no: 373 