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': 'Recurrent dislocation is least common in \nSelect and explain. \nA. Shoulder, B. Knee, C. Patella, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Knee * Recurrent dislocation is most common in shoulder jointQ, accounting for nearly 50% of all dislocations.* Anterior shoulder dislocation of subcoracoid typeQ (> anterior subclavicular type) is most common type of shoulder dislocation.', 'role': 'assistant'}]