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: Forensic Medicine
[{'content': 'Cadmium causes ? \nSelect and explain. \nA. Proximal tubular necrosis, B. Distal tubular necrosis, C. Asthma, D. Cirrhosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Proximal tubular necrosis Cadmium causes : Itai-Itai' disease. Proximal tubular necrosis Osteomalacia, bone pain, pathological fractures. Golden yellow staining of teeth. Emphysema and anemia.", 'role': 'assistant'}]