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
Soot paicle in respiratory tract indicates death due to: March 2013 (c) 
Select and explain. 
A. Hanging, B. Drowning, C. Burns, D. Road Traffic Accident
C: Burns
Answer: C: Burns 
Explanation: 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.