Toolbox Talk Quiz
Legionellosis | The Causal Chain
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1. Which of these best describes the first stage in the Legionellosis Chain of Causation?:
Conditions for growth of the bacteria
Aerosolization of the bacteria
Contamination of the water supply
Exposure of susceptible people
2. Name the second stage in the Legionellosis Chain of Causation:
Please Select
Presence
Transmission
Amplification
Exposure
3. Legionella bacteria can enter your water system through the incoming mains - True or False?
True
False
4. There are multiple examples of how legionella bacteria can grow within a water system. Choose the TWO correct answers from the list below.
Where water is above 45 degrees celsius
Where water is kept moving
The water within the system is between 20 and 45 degrees celsius
There are dead legs/dead ends within the system
Where water is below 20 degrees celsius
5. BONUS: What is the optimum temperature for legionella proliferation inside of a water system?
37 degrees celsius
26 degrees celsius
6. Aerosolisation of the legionella bacteria is an example of which part of the Causal Chain?
Presence
Amplification
Transmission
Exposure
7. Once Legionella is breathed in, it is consumed by Alveolar macrophages (AMs). This is an issue because legionella bacteria are:
Fungal
Viral
Parasitic
Prion
8. BONUS: What function do Alveolar macrophages (AMs) serve?
Fend off pathogens
Control lung inflamation
Maintain lung balance and function
All of the above
9. Look at the image above, which TWO of these groups of people are NOT at high risk of contracting Legionnaires' Disease?
Older People (45+)
Athletes
Smokers
People with Diabetes
Vegetarians
10. Exposure to Legionella bacteria mainly leads to Legionnaire's Disease and which other condition:
Please Select
Kidney Disease
Diabetes
Lung Disease
Pontiac Fever
Total point is
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