Impact of Heavy Metals on Health

What are some natural sources of heavy metals in the environment?

• Emissions from vehicles

• Naturally occurring deposits in the earth's crust

• Industrial waste

• Plastic pollution

Which of the following metals is known to cause fish contamination?

• Lead

• Mercury

• Nickel

• Aluminum

What is a significant human-made source of heavy metal emissions?

• Volcanic eruptions

• Coal-fired power plants

• Forest fires

• Ocean currents

Which group is particularly concerned about mercury contamination in fish?

• Elderly individuals

• Children under 5 years

• Women who are pregnant, nursing, or may become pregnant

• Athletes

What is a common occupational source of heavy metal exposure?

• Farming

• Metal working

• Teaching

• Software development

Which of the following is NOT a heavy metal?

• Lead

• Mercury

• Iron

• Tin

What environmental issue was highlighted in Flint, Michigan?

• Air pollution

• Water supply contamination with lead

• Soil erosion

• Deforestation

Which of the following is a potential source of heavy metal contamination in food?

• Pesticides

• Contaminated water used for irrigation

• Excessive use of fertilizers

• Genetic modification

What is a common method of human exposure to heavy metals from hazardous waste sites?

• Inhalation of dust

• Direct skin contact

• Ingestion of contaminated water

• All of the above

Which metal is often associated with smelter emissions?

• Aluminum

• Lead

• Tin

• Iron