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: Medicine
[{'content': "The term 'ragged red fibers' is applied to describe the skeletal muscle fibers in - \nSelect and explain. \nA. Myotonic dystrophy, B. Nemaline myopathy, C. Spinal muscular atrophy, D. Mitochondrial myopathy", 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer- D. Mitochondrial myopathyThe term 'ragged redfibers' is typically applied to describe the skeletal muscle fibers in mitochondrial myopathy.", 'role': 'assistant'}]