Chapter 9 Environmental Health

Front

What is the role of the endocrine system in the human body?

Back

The endocrine system sends and receives chemical signals called hormones, which regulate various bodily functions.

Front

What is a toxicant?

Back

A toxicant is any substance that poses a chemical hazard to human health or the environment.

Front

Why are infants more sensitive to environmental hazards?

Back

Infants have developing systems that make them more vulnerable to the effects of environmental hazards compared to adults.

Front

What does toxicology study?

Back

Toxicology deals with the study of the effects of chemical and physical agents on living organisms.

Front

What is risk assessment in environmental health?

Back

Risk assessment is the process of measuring the likelihood that an environmental hazard will cause harm.

Front

What are some examples of chemical hazards?

Back

Examples of chemical hazards include pesticides, heavy metals, and industrial chemicals.

Front

How can environmental hazards affect human health?

Back

Environmental hazards can lead to various health issues, including respiratory problems, cancer, and developmental disorders.

Front

What is the difference between a hazard and a risk?

Back

A hazard is a potential source of harm, while risk is the likelihood that the hazard will cause harm.

Front

What factors influence the impact of environmental hazards on health?

Back

Factors include the type of hazard, exposure level, duration of exposure, and individual susceptibility.

Front

What is the significance of dose-response relationships in toxicology?

Back

Dose-response relationships help determine the level of exposure to a toxicant that results in harmful effects.