Firefighter Skills Chapter 2 - Respiratory Hazards of a Fire Flashcards
1
Q
Incomplete combustion
A
When a fire does not have an adequate supply of O2 to consume all available fuel it produces a variety of by-products which can be extremely toxic.
2
Q
Smoke particles
A
Unburned, partially burned, and completely burned substances. So small they can enter the lungs and are toxic to the body.
3
Q
Hydrogen cyanide
A
formed when plastic products burn. Interferes with cellular respiration.
4
Q
Phosgene
A
Formed from incomplete combustion of many common household products, including vinyl materials. Can cause pulmonary edema.
5
Q
Oxygen Deficiency
A
- Fire consumes O2
- Fire produces other gases which decrease the )2 concentration by displacing O2.
