Download Chapter 10 Review Guide

Chapter 10 Review Crossword
Across
1. Examples of _________ hazards include fires, earthquakes, and floods
4. A chemical that has a median lethal dose of 50 mg or less per kg of body weight
5. The amount of a chemical that kills exactly 50% of a test population
7. Human-made chemicals that can mimic and disrupt the effect of natural hormones
9. The process in which levels of a toxin are magnified as the pass through the food chain
10. The study of how toxins affect living organisms
11. Powerful pesticide that is partly responsible for reducing malaria, but also bioaccumulates and thins the
shells of various birds
14. The amount of damage that result from exposure to a chemical
Down
2. Examples of _________ hazards include smoking, poor diet, and criminal assault
3. The process in which substances are absorbed and stored in organs or tissues at higher than normal
levels
6. The possibility of suffering harm from a hazard that can cause injury, disease, economic loss, or
environmental damage
8. Examples of _________ hazards include viruses, pollen, and snake bites
11. The amount of a substance a person has ingested, inhaled, or absorbed
12. Examples of _________ hazards include mercury in food, arsenic in water, and carbon monoxide in the
air
13. A mathematical statement about the likelihood of harm (ex: the odds of dying from a snake bite are 1
in 56 million)
Question
1. Define risk.
2. List and give an example of the 4 types
of hazards people face.
3. Do all chemicals affect people the
same way (explain using the dose
response curve)?
4. What factors affect the response an
individual has to a chemical?
5. List 3 ways a harmful substance can
enter a person.
6. Define dose.
7. Differentiate between water and fat
soluble chemicals.
8. Define bioaccumulation.
9. Define biomagnifications.
10. Explain why some chemicals are found
in large amounts at the top of a food
chain?
11. Differentiate between antagonistic
and synergistic interactions.
12. List 3 ways studies are used to estimate
toxicity.
13. Define poison.
14. What does “the dose makes the
poison” mean?
15. What is a mutagen? Give an
example.
16. What is a teratogen? Give an
example.
17. What is a carcinogen? Give an
Answer
example.
18. What systems are compromised by
toxic chemicals in the environment?
19. Differentiate between transmissible
and non transmissible diseases.
20. What is a pathogen?
21. Differentiate between risk assessment
and risk management.
22. Why are antibiotics ineffective against
viruses?
23. Describe how bacteria become
resistant to antibiotics?
24. What are HAA?
25. What is meant by pollution
prevention?