SCI 110 WEEK 4 QUIZ 1 Rachel Carson's book Silent Spring primarily focuses on the environmental problems associated with: a. aquifer depletion. b. pesticide toxicity. c. loss of biodiversity. d. overpopulation. e. deforestation. 2. __________ are best defined as substances that cause cancer. a. Allergens b. Teratogens c. Carcinogens d. Neurotoxins e. Vectors 3. __________ are best defined as substances that cause birth defects. a. Allergens b. Teratogens c. Carcinogens d. Neurotoxins e. Vectors 4. Toxicants that cause harm by affecting the immune system include: a. neurotoxins. b. allergens. c. teratogens. d. hormones. e. antibiotics. 5. The book Our Stolen Future was important because it: a. was the first book that discussed water pollution problems in Lake Apopka. b. was the first book that discussed environmental problems with DDT. c. focused on the impacts of endocrine-disrupting chemicals on humans. d. was the first book to dispute claims in Rachel Carson's book Silent Spring. e. is credited with starting the environmental movement in the United States. 6. The worldwide drop in sperm counts among men has been attributed to: a. DDT. b. endocrine disruptors. c. teratogens. d. radon. e. allergens. 7. Bisphenol-A is: a. an estrogen mimic that is used in plastic manufacturing. b. produced when fossil fuels are burned. c. released from aerosol spray cans. d. a currently used herbicide. e. a banned insecticide. 8. Transport of airborne toxicants, a specific problem in agricultural environments, is called pesticide: a. leaching. b. drift. c. run-off. d. transposition. e. globalization. 9. Pesticides in the United States are registered through the: a. FDA. b. EPA. c. USDA. d. BLM. e. PRA. 10. The Toxic Substances Control Act (TSCA) regulates: a. industrial chemicals. b. drugs. c. pesticides. d. food additives. e. cosmetics. 1 11. __________ is known to have a short persistence time. a. DDT b. DDE c. PCB d. PBDE e. Bt 12. The bald eagle, brown pelican, and peregrine falcon all are: a. found only in Florida. b. U.S. invasive species. c. over-hunted for their feathers. d. extinct. e. susceptible to eggshell damage caused by DDT. 13. Chemicals used in cosmetics in the United States are: a. not reviewed before being sold. b. marketed using the precautionary principle. c. reviewed and approved by the FDA before they are sold. d. reviewed and approved by the EPA before they are sold. e. reviewed and approved by the USDA before they are sold. 14. The goal of the Stockholm Convention is to: a. reduce global warming. b. reduce the ecological footprints of people around the world. c. end the use and release of POPs shown to be the most dangerous. d. prevent the spread of the AIDS. e. educate women about birth control. 15. The Yaqui Valley, Mexico, study showed that: a. wealth is correlated with intelligence. b. infectious disease is more widespread in poor countries. c. frogs were affected by water pollution. d. developmental delays occurred in children exposed to pesticides. e. organic agriculture can be successful with government support. 16. Louis Guillette is most famous for his studies: a. on gonadal abnormalities in frogs. b. about the dangers of DDT. c. on neurological effects of pesticide poisoning. d. describing abnormalities in alligators in Lake Apopka. e. about the dangers of second-hand smoke. 17. Tyrone Hayes is most famous for his studies: a. on gonadal abnormalities in frogs caused by atrazine. b. about the dangers of DDT. c. on neurological effects of pesticide poisoning. d. describing abnormalities in alligators in Lake Apopka. e. about the dangers of second-hand smoke. 18. Studies of endocrine disruptors have shown that they are associated with: a. gonadal abnormalities, male feminization, low birth rates/ b. lung and brain cancers/ c. respiratory failure/ d. immune system failure, AIDS/ e. severe neurological damage, paralysis, coma/ 19. Radon, cigarette smoke, asbestos, and lead all have in common that they are all: a. carcinogens. b. biodegradable, with short lifetimes. c. toxicants used in making plastics. d. indoor pollutants. e. hormone disruptors. 20. The U.S. Geological Survey found that 80% of U.S. streams contain at least trace amounts of over 80 wastewater contaminants. a. True b. False