This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Platelet & Coagulation disorders, Subject name: Medicine
[{'content': 'Which of the following is the best test to diagnose bleeding in DIC? \nSelect and explain. \nA. Increased PT, B. Increased aPTT, C. Decreased fibrinogen, D. Increased fibrin degradation products', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Fibrin degradation product (FDP) is the best test to diagnose bleeding in DIC. D-Dimer assay is for screening | PT & | aPTT seen in a lot of conditions - so not best.', 'role': 'assistant'}]