Death due to smoke inhalation is due to:

Ans. b. Anemic hypoxiaIn smoke/fire patient generally dies of excess CO poisoning (most frequent cause of death).If there is low PaO, - it is called as hypoxic hypoxia.In smoke (CO poisoning) PaO, will be normal and the problem is COHb.An abnormal Hb or Reduced Hb concentration comes under anemic hypoxia.