BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
pathogen
|
|
|
carcinogen
|
|
|
allergen
|
|
|
toxican
|
Detailed explanation-1: -Hazardous materials are substances or chemicals that pose a health hazard, a physical hazard, or harm to the environment.
Detailed explanation-2: -A chemical hazard is any substance that can cause a health problem when ingested or inhaled. They include toxins, dangerous chemicals, residue of excess chemicals used in processing food products.
Detailed explanation-3: -According to the Environmental Protection Agency (EPA) a hazardous substance is one that is ignitable, corrosive, reactive, and toxic. A toxic substance is a substance or waste that when ingested or absorbed can be fatal and harmful to a person.
Detailed explanation-4: -Examples of physical hazards include chemicals which may be flammable or combustible, explosive, shock-sensitive, oxidizers, or react violently with water or with air. Examples of health hazards include toxins, carcinogens, teratogens, irritants, and sensitizers.