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: Pharmacology
[{'content': 'In which of the following clinical conditions, use of anticoagulants provide maximum benefit \nSelect and explain. \nA. Prevention of recurrences of myocardial infarction, B. Prevention of venous thrombosis and pulmonary embolism, C. Cerebrovascular accident, D. Retinal artery thrombosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Anticoagulants are mainly used for prophylaxis of venous thrombosis (DVT and pulmonary embolism).\nAntiplatelet drugs are used to prevent arterial thrombosis (MI and stroke).', 'role': 'assistant'}]