HCL-PHS 121 Exam II Review

These flashcards cover key terms and concepts related to toxic substances, pesticides, and diseases for the HCL-PHS 121 Exam II.

Bioaccumulation

The process where toxic substances accumulate in living organisms as they move up the food chain.

Organophosphate Pesticides

Inexpensive pesticides that do not persist in the environment and control a wide range of insects.

Dioxins

Toxic compounds that can result from industrial processes and pose health risks.

Arsenic

A toxic metal commonly found in drinking water and can cause health issues.

DDT

A pesticide historically used for mosquito control and linked to environmental and health concerns.

Aluminum and Alzheimer’s Disease

Research suggests a connection between aluminum exposure and the development of Alzheimer's disease.

Anthrax

A disease affecting herbivores, with three forms: cutaneous, inhalation, and gastrointestinal.

Vector-borne diseases

Diseases transmitted by vectors, such as mosquitoes and ticks, including malaria and Lyme disease.

Zoonotic Disease

Diseases that can be transmitted from animals to humans, like influenza.

Chromium (VI)

A toxic form of chromium that can cause health problems if ingested.

National Priorities List (NPL)

A list of hazardous substances that pose the most significant threat to human health according to EPA research.

Toxic Metals

Metals such as lead, mercury, and cadmium, which have harmful effects on human health.

Malaria Resurgence

The reemergence of malaria in specific regions, often due to environmental neglect.

Nerve Gases

Chemical agents that cause harm to the nervous system, related to certain pesticides.

Influenza

A viral infection that is zoonotic in nature, able to spread between animals and humans.