Soot paicle in respiratory tract indicates death due to: March 2013 (c)

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.