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
True about hematological disorder? 
Select and explain. 
A. 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
B: Both PT and aPTT are increased in DIC
Answer: B: Both PT and aPTT are increased in DIC 
Explanation: 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