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: Dental
[{'content': 'Calcinosis universalis occurs in – \nSelect and explain. \nA. Ehlers Danlos syndrome, B. Christian Weber syndrome, C. Deimatomyositis, D. Scleroderma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Calcinosis universalis is the diffue deposition of calcium salts in the skin, subcutaneous tissue and sometimes in connective tissue. It occurs in Juvenile Dermatomyositis.', 'role': 'assistant'}]