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': 'Soot paicle in respiratory tract indicates death due to: March 2013 (c) \nSelect and explain. \nA. Hanging, B. Drowning, C. Burns, D. Road Traffic Accident', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Burns Antemoem burns The presence of carbon paicles in the terminal bronchioles on histological examination is absolute proof of life during fire. The soot is better seen by spreading a thin film of mucus on a clean sheet of white paper. Presence and amount of soot in air-passage depends on the type of fire, the amount of smoke produced and duration of survival in smoke contaminated atmosphere.', 'role': 'assistant'}]