This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Elbow injuries, Subject name: Orthopaedics
[{'content': 'Deformity seen in posterior elbow dislocation is ? \nSelect and explain. \nA. Flexion, B. Extension, C. medial detion, D. lateral detion of elbow', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In posterior elbow dislocation, elbow is flexed with exaggerated prominence of olecranon Refer clinical ohopedic p 786', 'role': 'assistant'}]