All cards
1
What is risk?
Risk is the likelihood of suffering harm from a hazard
2
What are the main hazards we face?
• Cultural hazards: smoking, poor diet, driving, etc.
• Chemical hazards: harmful chemicals in air, water, soil and food
• Physical hazards: fire, tornado, earthquake, etc.
• Biological hazards: pathogens (e.g. viruses), pollen, venomous
animals, etc.
• Chemical hazards: harmful chemicals in air, water, soil and food
• Physical hazards: fire, tornado, earthquake, etc.
• Biological hazards: pathogens (e.g. viruses), pollen, venomous
animals, etc.
3
How do we assess and manage risks?
• Risk assessment is the scientific process of estimating how much
harm a particular hazard can cause to human health.
• Risk management involves deciding whether or how to reduce a
particular risk to a certain level and at what cost.
harm a particular hazard can cause to human health.
• Risk management involves deciding whether or how to reduce a
particular risk to a certain level and at what cost.
4
What is the most preventable major cause of suffering
and premature death among adults?
and premature death among adults?
Cigarette smoking
5
What is the greatest health risk of all?
Poverty
6
Types of biological hazards and examples of each
7
challenges and prevention of malaria
8
What are chemical hazards and what are the types
9
what is toxicity and what factors affect it?
10
How do we assess the toxicity of a substance?
11
Some chemical factors affecting the toxicity of a substance