This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'The following are the contraindications of BAL except: \nSelect and explain. \nA. G6PD deficiency, B. Iron poisoning, C. Cadmium poisoning, D. Gold poisoning', 'role': 'user'}, {'content': 'Answer: D \nExplanation: BAL (British anti-lewisite, dimercaprol): It is used in arsenic, lead, bismuth, copper, mercury, gold and other heavy metal poisoning. Dose: 10% solution in oil, 3-5 mg/kg IM 4 hourly for 2 days, 6 hourly on 3rd day and then 12 hourly for next 10 days. Side effects: Nausea, vomiting, headache and hypeension. Contraindicated in liver damage, G-6-PD deficient individuals, and iron poisoning cadmium(since dimercaprol-cadmium and dimercaprol-iron complex is itself toxic).', 'role': 'assistant'}]