Env. Health2_Chap_7

1. DDT has been found to: a. Cause frequent cases of acute toxicity among exterminators b. Accumulate in the tissues of many animals c. Cause a significant number of accidental deaths d. Persist in the environment e. B and D

2. Lindane, mirex, and DDT all belong to a group of pesticides called: a. Organophosphates b. Chlorinated hydrocarbons c. Carbamates d. Naturally occurring substances e. None of the above

3. Pesticides are: a. Always highly toxic to humans b. All synthetic chemicals c. Always the best weapon against insect pests d. All of the above e. None of the above

4. Agent Orange is an example of a(an): a. Insecticide b. Fumigant c. Herbicide d. Fungicide e. None of the above

5. One of the concerns that surrounded the use of Agent Orange was that it: a. Contained very small amounts of dioxin b. Was not effective because it evaporated rapidly c. Was a major cause of night blindness d. Was transported home on the clothing of military personnel e. All of the above

6. Concerns regarding pesticide use include: a. Potential harm to agricultural workers b. Undesirable effects upon cattle c. Drift into schools and homes d. Unintentional killing of pets e. All of the above

7. Which statement about dioxins is untrue? a. They are highly toxic chemicals. b. They may be produced as a byproduct of incineration. c. They require many years to decompose. d. They are never produced in the natural environment. e. None of the above

8. The health effects of exposure to dioxins include: a. Chloracne b. Skin rashes c. Liver damage d. Endocrine effects e. All of the above

9. Polychlorinated biphenyls (PCBs) are: a. Highly flammable b. Chemically unstable c. Persistent in the environment d. Expensive to manufacture e. All of the above

10. The research of Muzaffer Aksoy showed an association between leukemia and: a. benzene b. vinyl chloride c. acetone d. toluene e. none of the above

16. A disadvantage of hazardous chemicals is not that they: a. Have been implicated in the etiology of birth defects b. Have been implicated in the etiology of cancer c. Have presented dangers to first responders d. Have been linked with impairment of fertility e. Are essential to the functioning of modern society

17. The "Golden Age of Discovery" of insecticides generally refers to what time period? a. Mid-1800s b. Mid-1900s c. Early 1900s d. Late 1900s e. Late 1800s

18. Which of the following pesticides is (are) associated with the "Golden Age of Discovery"? a. Organophosphates b. Chlorinated hydrocarbons c. A and B d. Arsenic e. Sulfur

19. Biopesticides include: a. Canola oil b. Diazanon c. Paraquat d. MIC e. Permethrin

20. Which of the following is untrue? Chemical disease agents are: a. Found in the home setting in household products b. Hazards in some occupations and industries c. Commonly used in medicines and drugs d. Solely the product of humankind's actions in the biosphere e. None of the above