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: Orthopaedics
[{'content': "All are injuries of the lower end of radius except : \nSelect and explain. \nA. Smith's fracture, B. Colle's fracture, C. Night stick fracture, D. Barton's fracture", 'role': 'user'}, {'content': "Answer: C \nExplanation: Colle's fracture and smith's fracture : Extra - articular fracture of distal end radius.\nBarton's fracture :\xa0Intra - articular fracture of distal end radius with carpus dislocation.\nNightstick fracture : Isolated fracture of the ulna.", 'role': 'assistant'}]