Resp Population Health

Question 1

What are the 4 sources of air pollution?

Answer 1

1. Mobile transport
2. Stationary - powerplant, oil, factories
3. Area - agriculture, cities
4. Natural - wild fires, wind blown dust

Question 2

What are three ways to mitigate/control air pollution?

Answer 2

1. Policy/regulation - air quality standards, licensing of emissions, separation from industry and city
2. Technology
3. Education and behavior change

Question 3

What is the difference between a hazard and a risk for occupational control?

Answer 3

Hazard - stubstance or activity that may cause injury or death
Risk - probability that the event will occur, RISK = toxicity x exposure

Question 4

What are the 4 main occupational respiratory diseases?

Answer 4

1. Respiratory tract cancers - lung cancer, mesothelioma, tracheal/nasal cancer from exposure to carcinogens such as diesel engine exhaust, silica, wood dust, asbestos
2. Asthma - caused by breathing in chemical fumes, gases, dust or other substances
3. COPD - chronic airway obstruction from bronchitis/emphysema mainly caused by smoking, dust and fumes
4. Pneumonia - ILD caused by inhalation of various dust and fibres causing inflammation and scarring of lung. Progressive cough, dry then sputum, SOB. Causes pneumconoises from asbestos, silica

Question 5

4 ways of mitigating/controlling OHS?

Answer 5

1. Legislation, regulation, codes and practices
2. Hierarchy of hazard control
3. Education and awareness
4. Health surveillance