Question Multiple Choice Identify the choice that best completes the statement or answers the question.

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. The four main types of hazards include all of the following except

a. biological hazards. b. physical hazards. c. global hazards. d. chemical hazards. e. None of these answers.

____ 2. All of the following are considered to be cultural hazards except

a. smoking. b. drought. c. drugs. d. diet. e. unsafe sex.

____ 3. All of the following are considered to be biological hazards except

a. pollen. b. parasites. c. diet. d. bacteria. e. bees.

____ 4. A transmissible disease is least likely to be caused by a

a. bacterium. b. hazardous chemical. c. virus. d. parasite. e. protozoa.

____ 5. All of the following are transmissible diseases except

a. diabetes. b. pneumonia. c. diarrhea. d. tuberculosis. e. AIDS.

____ 6. Which of the following infectious diseases is not among the four most deadly?

a. acute respiratory infections b. mumps c. malaria d. tuberculosis e. AIDS

____ 7. Which of the following choices makes the statement false? Bacteria

a. can develop resistance to antibiotics. b. are K-strategists. c. have a high reproductive rate. d. are highly adaptable species. e. are r-selected species.

____ 8. The incidence of tuberculosis is increasing because

a. strains of the TB bacterium have developed resistance to antibiotics. b. increased population size and the advanced age of the population. c. weakened immune systems from the spread of AIDS. d. poverty. e. All of these answers.

____ 9. Vaccines can help prevent all of the following diseases except

a. polio. b. rabies. c. AIDS. d. measles. e. mumps.

____ 10. Malaria is caused by

a. viruses. b. bacteria. c. Plasmodium parasites. d. parasitic worms. e. mosquitoes.

____ 11. Malaria is spread by

a. Anopheles mosquitoes. b. flies. c. worms. d. snails. e. bacteria.

____ 12. Incidence of malaria has increased since 1970 because

a. organisms causing malaria developed resistance to drugs. b. the vectors developed resistance to insecticides. c. reservoirs from hydropower have increased. d. All of these answers. e. None of these answers.

____ 13. The strategy leastrecommended for preventing incidence of malaria is

a. increasing water flow in irrigation systems. b. using mosquito nets dipped in permethrin. c. spraying heavier doses of DDT on swamps and estuaries. d. cultivating fish that feed on mosquito larvae. e. increasing public education.

____ 14. The world’s top five deadliest diseases correctly arranged in order from most to least deadly are

a. HIV, tuberculosis, malaria, influenza, diarrhea. b. malaria, diarrhea, influenza, HIV, tuberculosis. c. influenza, HIV, malaria, diarrhea, tuberculosis. d. HIV, influenza, malaria, tuberculosis, diarrhea. e. influenza, malaria, HIV, tuberculosis, diarrhea.

____ 15. The principal types of chemical hazards include all of the following except

a. toxic and hazardous substances. b. mutagens. c. teratogens. d. zymogens. e. carcinogens.

____ 16. Hazardous chemicals include

a. strong acids. b. asphyxiants. c. allergens. d. strong bases. e. All of these answers.

____ 17. The effects of neurotoxins can result in all of the following except

a. behavioral changes. b. learning disabilities. c. hair loss. d. attention deficit disorder. e. death.

____ 18. DDT, PCBs, atrazine, bisphenol-A, and phthalates are all examples of

a. insecticides. b. hormonally active agents. c. estrogens. d. androgens. e. plastic additives.

____ 19. You have been studying a large lake ecosystem. You learn that PCBs have been dumped into the water. You predict that the most affected population would be the

a. algae. b. small fish. c. predatory birds. d. zooplankton. e. phytoplankton.

____ 20. Match the statement with the best term listed. Refers to the amount of a substance a person ingests, inhales, or absorbs through the skin.

a. bioaccumulation. b. biomagnification. c. persistence. d. response. e. dose.

____ 21. Match the statement with the best term listed. Relates to the amount of a potentially toxic substance as it passes through food chains and webs.

a. bioaccumulation. b. biomagnification. c. persistence. d. response. e. dose.

____ 22. Match the statement with the best term listed. The term that is given to the type and amount of health damage that occurs from exposure to a chemical or other agent.

a. bioaccumulation. b. biomagnification. c. persistence. d. response. e. dose.

____ 23. Match the statement with the best term listed. Relates to the fact that some molecules are absorbed and stored in specific organs or tissues at higher than normal levels.

a. bioaccumulation. b. biomagnification. c. persistence. d. response. e. dose.

____ 24. Match the statement with the best term listed. The term that is used to refer to chemicals that are resistant to breakdown and have long-lasting harmful effects on the health of wildlife and people.

a. bioaccumulation. b. biomagnification. c. persistence. d. response. e. dose.

____ 25. Which of the following are your body’s mechanisms for reducing the harmful effects of some chemicals?

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