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': 'The commonly injured carpal bone next to scaphoid is? \nSelect and explain. \nA. Hamate, B. Capitate, C. Trapezium, D. Trapezoid', 'role': 'user'}, {'content': "Answer: C \nExplanation: Relative incidence of carpal bone fracture Scaphoid ( 70% ) > Triquetral ( 20% ) > Trapezium ( 4.3% ) > Lunate (3.9%)> capitate> hamate> Pisiform> Trapezoid Ref: Rockwood & Green's fracture in Adults 6/e, Page 864-82.", 'role': 'assistant'}]