This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Coagulation disorders, Subject name: Pediatrics
[{'content': 'True about hematological disorder? \nSelect and explain. \nA. In Hemophilia B cryoprecipitate is useful, B. Both PT and aPTT are increased in DIC, C. Desmopressin has no role in vWD, D. Hemorrhagic disease of newborn is due to vit C deficiency', 'role': 'user'}, {'content': "Answer: B \nExplanation: Discussing options one by one: - Option 1- FALSE-Cryoprecipitate don't 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", 'role': 'assistant'}]