<prompt> True about hematological disorder?In Hemophilia B cryoprecipitate is usefulBoth PT and aPTT are increased in DICDesmopressin has no role in vWDHemorrhagic disease of newborn is due to vit C deficiency  <response>: Discussing options one by one: - Option 1- FALSE-Cryoprecipitate dont contain factor-IX. Hence not useful for treating hemophilia B - Option 2- TRUE - PT, aPTT, D-dimer levels are raised in DIC - Option 3- FALSE- Desmopressin is useful in the treatment of type-1 von Willebrand disease - Option 4- FALSE-Hemorrhagic disease of newborn is due to vit K deficiency 