This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joint Disorders, Subject name: Orthopaedics
[{'content': 'What is the most common cause of death after total hip replacement? \nSelect and explain. \nA. Infection, B. Deep vein thrombosis, C. Pulmonary embolism, D. Pneumonia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cause of moality after joint replacement order is myocardial Infarction > cardiorespiratory arrest > thromboembolism', 'role': 'assistant'}]