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Questions and Answers
What are examples of chemical hazards mentioned in the text?
What are examples of chemical hazards mentioned in the text?
- Repetitive movement and low pay
- Inhaling dust and pesticides (correct)
- Stress and boredom
- Overcrowding and poor housing
Which type of hazard is associated with stress, boredom, and lack of recognition for one's work?
Which type of hazard is associated with stress, boredom, and lack of recognition for one's work?
- Biological hazards
- Psychological hazards (correct)
- Mechanical hazards
- Sociological hazards
How are sociological and psychological hazards described in the text?
How are sociological and psychological hazards described in the text?
- Interwoven and related (correct)
- Completely separate
- Unrelated and distinct
- Occurring in different environments
Which hazard is linked to repetitive movement and poorly designed equipment?
Which hazard is linked to repetitive movement and poorly designed equipment?
What can happen if you inhale dust according to the text?
What can happen if you inhale dust according to the text?
Which category of environmental hazard do bacteria, viruses, and spores/fungi belong to?
Which category of environmental hazard do bacteria, viruses, and spores/fungi belong to?
What type of hazard is caused by vibration, radiation, and noise?
What type of hazard is caused by vibration, radiation, and noise?
Which of the following is an example of a biological hazard?
Which of the following is an example of a biological hazard?
Which environmental hazard category includes elements like temperature and electricity?
Which environmental hazard category includes elements like temperature and electricity?
What makes mosquitoes a biological hazard according to the text?
What makes mosquitoes a biological hazard according to the text?
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Study Notes
Hazards
- Hazards are physical, chemical, biological, or psychosocial substances or situations that can cause adverse health effects or discomfort.
- Hazards can be natural or human-made (anthropogenic).
Categories of Environmental Hazards
Physical Hazards
- Examples: Vibration, Radiation, Noise, Unsatisfactory lighting, Temperature, Electricity, etc.
- Noise is a physical hazard that can affect health.
- Poor lighting can impair vision.
- High temperature can cause health problems.
Biological Hazards
- Examples: Some plants, animals (insects, rodents, wild stock, wild animals), microbiological agents (bacteria, viruses, spores/fungi), and allergens.
- Malaria fever is a biological hazard caused by Plasmodium, transmitted through mosquitoes (vector).
Chemical Hazards
- Examples: Poisons, toxic metals (Lead (Pb), Cadmium (Cd), Mercury (Hg)), toxins, allergens, irritants (dusts, asbestos, silica), pesticides, etc.
Psychological Hazards
- Examples: Stress, boredom, discomfort, lack of recognition for one's work, repetitive tasks, low pay, etc.
- Stress affects the brain and overall human well-being, leading to discomfort and depression.
Sociological Hazards
- Examples: Overcrowding, poor housing, etc.
- Sociological and psychological hazards are interwoven, often referred to as psychosociological hazards.
Mechanical Hazards
- Examples: Repetitive movement, poorly designed equipment, heavy (improper) lifting, etc.
- Using poorly designed equipment or sitting on a poorly designed chair for long periods can affect health.
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