This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Musculoskeletal Radiology, Subject name: Radiology
[{'content': 'Positive metacarpal sign is seen in? \nSelect and explain. \nA. Downs syndrome, B. Marfans syndrome, C. Turners Syndrome, D. Klienfelters Syndrome', 'role': 'user'}, {'content': 'Answer: C \nExplanation: - Sho 4th Metacarpal is called Positive Metacarpal sign is seen with Turners syndrome. It can be seen as a normal variant also.', 'role': 'assistant'}]