Chapter 20 review

What are the effects of the following pollutants?

Pollutants Effects

1. Particulates

2. Pesticides

3. Lead

4. Coal dust

5. Bacteria in food

6. Which of the above pollutants are found in vehicle exhaust, fires, burning waste, and tobacco smoke?

7. What are two diseases that can be caused directly by pollution?

8. Define toxicology.

9. What are three reasons scientists study epidemiology?

10. When do naturally occurring substances become hazardous?

11. What air pollutants are released by vehicles burning fossil fuels?

12. What are three ways improper waste disposal contributes to pollution?

13. How are cholera and dysentery spread through the environment?

14. What are the effects of cholera and dysentery?

15. What causes bacteria to become resistant to antibiotics?

16. What environmental change is likely to contribute to the spread of parasites such as hookworm?

17. Name 4 emerging viruses? Can any of them be prevented by immunizations or vaccines?

18. What determines the toxic effect of a dose on a person?

19. Define risk assessment.

20. How do particulates in the air cause health problems?

21. How do people catch malaria?

22. For malaria, what is the host? What is the vector? What is the pathogen?

Honors chapter 20 review

What pollutant causes:

Black lung disease?

Brain damage and learning problems?

Asthma, bronchitis, and cancer?

Gastrointestinal problems?

Nerve damage, birth defects, and cancer?

Schistosomiasis?

Define and give examples of or explain how it is used:

Pathogen

Vector

Host

Risk assessment

Epidemiology

Toxicology

Cross-species transfer

Persistent pesticide

Dose response curve

E.P.A.

W.H.O.

What are sources of the following pollutants and what are their health effects?

Radon

Lead

Mercury

Coal dust

Particulates

Pesticides

Bacteria in food

Bacteria in water

Why are people in developing countries affected more environmental problems than those in developed countries?

How does the construction of irrigation canals and dams contribute to infectious diseases?

How can we be exposed to industrial chemicals in our homes?

How does inadequate waste disposal cause pollution in the US?

What are three different ways that infectious diseases can be spread?

What is the role of water in the spread of cholera and malaria?

Name four disease-causing bacteria that have developed antibiotic resistance and why this is a problem.