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: Unknown
[{'content': 'Saturnism is to: \nSelect and explain. \nA. Chronic arsenic poisoning, B. Chronic lead poisoning, C. Chronic mercury poisoning, D. Chronic iron poisoning', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref. Textbook of forensic medicine. Krishnan Vij. Page. 470\n\xa0\nChronic Poisoning (Plumbism, Saturnism or Saturnine Poisoning)\n\nChronic lead poisoning may occur in the industrial environ- ment due to inhalation of lead dust or lead vapour arising from burning of paints, battery\nChronic poisoning may also result from the mobilisation of lead already stored in the body.\nChronic lead poisoning is manifested by facial pallor, anaemia, basophilic stippling of red cells, blue line in the gum, retinal stippling and in the later phase by colic, con- stipation, palsy, encephalopathy, disturbance of genito-urinary and cardiovascular system.', 'role': 'assistant'}]