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': "A patient presented with a history of fall on outstretched hand. There is pain & swelling over the radial aspect of the wrist without any obvious deformity. Radial styloid process is at a lower level than the ulnar styloid process. Tenderness can be elicited in anatomical snuff box. Findings are consistent with the diagnosis of: March 2013 (e) \nSelect and explain. \nA. Fracture scaphoid, B. Fracture Colle's, C. Fracture pisiform, D. Wrist osteoahritis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Fracture scaphoid Scaphoid Only carpal bone to undergo fracture as well as AVN: Scaphoid Fragment undergoing necrosis in fracture scaphoid: Proximal MC site of fracture scaphoid: Waist', 'role': 'assistant'}]