Chapter 4-PPE's/SCBA's

Question 0

Physiological effects of reduced oxygen (hypoxia)

9%

Answer 0

Unconsciousness

Question 1

Physiological effects of reduced oxygen (hypoxia)

12%

Answer 1

Dizziness
headache
rapid fatigue

Question 3

More firefighter deaths occur from poisoning from this gas than from any other toxic products of combustion.

Answer 3

CO

Question 5

Physiological effects of reduced oxygen (hypoxia)

6%

Answer 5

Death within a few minutes from respiratory failure and concurrent heart failure

Question 6

These two gases are considered dangerous but are colorless and odorless

Answer 6

CO

CO2

Question 7

Physiological effects of reduced oxygen (hypoxia)

21%

Answer 7

None - normal conditions

Question 8

This gas is colorless to slightly yellow and it irritates the eyes/respiratory tract and has a pungent odor.

Answer 8

HCl

Question 9

Produces a reddish-brown smoke and has a pungent acrid odor and is given off around silos and grain bins. Also liberated when pyroxylin plastics decompose.

Answer 9

NO2

Question 10

CO at ____ppm is elevated

CO at ____ppm we must call HMTF

Answer 10

25ppm

100ppm

Question 13

This gas is colorless and has a bitter almond odor & is a product of burning of wool, nylon, polyurethane foam, rubber and paper, classified as a chemical asphyxiate.

Answer 13

HCN

Question 14

This gas is colorless and tasteless and has the order of musty hay

Answer 14

Phosgene (COCL2)

Question 15

Physiological effects of reduced oxygen (hypoxia)

17%

Answer 15

Some impairment of muscular coordination, increase in respiratory rate to compensate for lower oxygen content

Question 16

Carbon monoxide concentrations >____, or _____can be dangerous & when >_____, unconsciousness and death can occur without physiological signs.

Answer 16

> 0.5%

500ppm

> 1.0%