Human Heath and Impact

Which way a pathogen can enter the body?

• Nose

• Injured skin

• Mouth

• All of the above

Infectious diseases are diseases caused by an organism such as a virus or a bacterium, which is called a:

• pathogen

• toxicant

• pandemic

• carcinogen

What are chemicals that cause cancer called?

• carcinogen

• hazard

• teratogen

• neurotoxin

What is a vector?

• pathogen

• organism that carries pathogen

• type of infectious disease

• type of emerging disease

What are viruses, bacteria, and organisms in the environment that causes human health classified as?

• social hazards

• biological hazards

• chemical hazards

• physical hazards

What types of hazards does toxicology deal with?

• biological and social

• chemical and physical

• human made

• natural disasters

The process of measuring the chance that an environmental hazard will cause harm is called what?

• toxicology

• epidemiology

• dose-response relationship

• risk assessment

What is a disease that has appeared in the human population for the first time and is increasing rapidly called?

• environmental

• pandemic

• emerging

• infectious

What does a substance's toxicity depend on besides what it is?

• if it was produced naturally

• its scientific name

• how much you are exposed to

• where it is found in the environment

When concentrations of toxicants increase each step up the food chain it is called?

• biomagnification

• toxicology

• risk assessment

• epidemiology