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CO binds to hemoglobin approximately ____ times more effectively than does O2
200
Also called narcotic gases, deprive the body of oxygen, either by interfering with oxygen transport to cells or by reducing the cells ability to use the oxygen. The 2 most important asphyxiants are CO and HCN
Asphyxiant gases
Toxic gases can be grouped into three classes
1. Asphyxiant - or narcotics
2. Irritants
3. Others
Most fire deaths occur :
Outside the room of origin
The lethal toxic potency of hydrogen cyanide is approximately ____ times that id CO
20
The toxic potencies of hydrogen chloride and hydrogen bromide or approximately _____.
Equal
In an environment containing less than ____ , people rapidly lose consciousness and people will die if not revived quickly
10% oxygen
The fire threat the first reaches a level at which a person's life is in peril
Limiting hazard
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