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
Cadmium causes ? 
Select and explain. 
A. Proximal tubular necrosis, B. Distal tubular necrosis, C. Asthma, D. Cirrhosis
A: Proximal tubular necrosis
Answer: A: Proximal tubular necrosis 
Explanation: 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.