Types of Contamination Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. A person who is vomiting is most likely to have:

Question 2 2.

Which of the following are sources of the chemical contamination of water?

I. Nature

II. Agriculture

III. Cities

Question 3 3. Aflatoxins are:

Question 4 4. Which of the following is NOT a common sign or symptoms of exposure to high levels of benzene?

Question 5 5. In the long term, exposure to high levels of benzene may cause:

Page 2

Question 6 6. Which of these household products is LEAST likely to contain benzene?

Question 7 7.

Benzene is:

I. Explosive

II. Flammable

III. A health hazard

Question 8 8. Where are aflatoxins most likely to be found?

Question 9 9. What is benzene?

Question 10 10. Benzene can form when _____ and _____ react to specific amounts of heat and light.

Page 3

Question 11 11. Chemical contaminants in water comes from:

Question 12 12. Benzene is a chemical composed of:

Question 13 13. At room temperature, benzene is:

Question 14 14. Which of the following chemical contaminants has been strongly associated with cancer, heart, respiratory, and neurological problems?

Question 15 15. How can you spot the mold that produces aflatoxins?

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Question 16 16.

Benzene may be derived from:

I. Crude oil

II. Coal

III. Seawater

Question 17 17. Which of the following is an organic chemical?

Question 18 18. Excess nutrients from waste and agriculture, like _____, can contribute to toxic blooms.

Question 19 19. What are the prime conditions for aflatoxin production in pre-harvest corn?

Question 20 20. Aflatoxins are made by:

Types of Contamination Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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