Intro to Respiratory Protective Equipment

Question 1

What is the definition of respiration?

Answer 1

The transport of oxygen from the outside air to the cells in body tissues, and the reverse for carbon dioxide

Question 2

How much oxygen and carbon dioxide is inhaled and exhaled?

Answer 2

Inhaled: 21% oxygen, 0.04% carbon dioxide
Exhaled: 16% oxygen, 4% carbon dioxide

Question 3

Consumption rates are influenced by what factors?

Three answers

Answer 3

Physical exersion
Physical fitness
Stress

Question 4

How does the body dissipate any excess heat?

Four answers

Answer 4

Radiation
Convection
Vaporisation
Evaporation

Question 5

How much should BA wearers drink after stenuous use?

Answer 5

At least half a little within 30 minutes

Question 6

Heat stress may cause firefighters to suffer from what effects?
Three answers

Answer 6

Heat cramps
Heat exhaustion
Heat stroke

Question 7

What is the policy number for RPE and breathing apparatus in the LFB?

Answer 7

Policy 466

Question 8

Respiratory hazards can be divided into what two categories, and what do they mean?

Answer 8

Acute
Immediate risk of injury if the RPE is removed

Chronic
Longer term risk of injury if the RPE is removed

Question 9

What RPE does the LFB provide to be used at incidents and training?
Four answers

Answer 9

Standard duration breathing apparatus (SDBA)
Extended duration breathing apparatus (EDBA)
Respirators
Powered respiratory protective suits

Question 10

What is the purpose of BA?

Answer 10

To reduce risk of respiratory injury to firefighters and provide safe working practices

Question 11

Who is responsible for ensuring that RPE is work whenever personnel are committed to dangerous atmospheres?

Answer 11

The Incident Commander (IC)

Question 12

What should be worn where the hazard involves airborne particulates and conditions are not expected to deteriorate?

Answer 12

A Dual-purpose facemask (DPFM) with a P3 particulate filter cartridge (FC)

Question 13

Name some methods to limit heat build up and stress for BA crews?
Six answers

Answer 13

Rotate crews, so BA teams can rest
Make sure the rest areas are in the shade
Make sure the BA wearers don’t perform in any other duties
Cool hands, arms and wrists with water (radial cooling)
Drink water
Have the attendance of the LAS

Question 14

The average person needs to drink how many litres of water a day?

Answer 14

2-3 litres