This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Massive transfusion in previous healthy adult male can cause hemorrhage due to - \nSelect and explain. \nA. Increased tPA, B. Dilutional thrombocytopenia, C. Vitamin K deficiency, D. Decreased Fibrinogen', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]