question: Diabetes insipidus is said to be present when
opa: > 30ml/hr urine output in 24 hrs and < 260 mosml/L osmolarity
opb: > 40ml/hr urine output in 24 hrs and < 280 mosml/L osmolarity
opc: > 50ml/hr urine output in 24 hrs and < 300 mosml/L osmolarity
opd: > 60ml/hr urine output in 24 hrs and < 320 mosml/L osmolarity