Env. Health Chap 6

1. Minimata disease was associated with ingestion of seafoods tainted with: a. Lead b. Cadmium c. Mercury d. Arsenic e. None of the above

2. Itai-itai disease was a form of poisoning associated with ingestion of: a. Lead b. Cadmium c. Mercury d. Arsenic e. None of the above

3. Diffuse and spotted melanosis are associated with ingestion of: a. Lead b. Cadmium c. Mercury d. Arsenic e. None of the above

4. Which of the following metals is not classified as a major toxic metal with multiple effects? a. Arsenic b. Beryllium c. Chromium d. Mercury e. Silver

5. Substances on the National Priorities List (United States) have the following characteristics: a. They have known or suspected toxicity. b. They have potential for human exposure. c. They appear frequently in uncontrolled or abandoned waste sites. d. They are scheduled for possible remediation under Superfund. e. All of the above

6. Possible methods for exposure to metals include: a. Inhalation of dusts b. Inhalation of metal fumes c. Skin contact with dusts d. Ingestion e. All of the above

7. Which of the following statements about heavy metals is true? a. Their specific gravity exceeds that of water by five or more times b. None of them is necessary to sustain life. c. All of them are toxic even at trace levels. d. All of the above e. None of the above

8. Bioaccumulation (biomagnification) of heavy metals is a particular hazard associated with: a. Iron b. Mercury c. Copper d. Manganese e. None of the above

9. The symptoms of long-term exposure to lower levels of toxic metals include: a. Convulsions b. Vomiting and stomach pain c. Sudden onset of headaches d. Chronic illness effects e. All of the above

10. For fetuses, infants, and children, the hazards of heavy metals include: a. Impairment of physical and mental development b. Damage to internal organs c. Brain damage d. Some forms of cancer e. All of the above

11. The EPA standard for the amount of arsenic permitted in drinking water is: a. 50 μg per liter b. 30 μg per liter c. 10 μg per liter d. 20 μg per liter e. 40 μg per liter

12. Erin Brockovich was a successful advocate against groundwater pollution from: a. Mercury b. Chromium c. Lead d. Arsenic e. None of the above

13. The type of fish that has not been identified as having potentially dangerous levels of mercury is: a. Shark b. Swordfish c. Canned albacore d. Salmon e. King mackerel

14. Lead exposure can arise from: a. Lead paint used in homes b. Certain types of pottery c. Lead dusts brought home from work d. Tap water from soldered pipes e. All of the above

15. Excessively low intake of copper may be associated with: a. Dietary deficiency b. Normal health c. Toxicity d. Lethality e. None of the above

16. Hemochromatosis is associated with excessive buildup of: a. Iron b. Mercury c. Copper d. Manganese e. None of the above

17. A disease that causes the conjunctiva to appear white is: a. Jaundice b. Asthma c. Anemia d. Itai-Itai e. None of the above

18. Methylation is a process that involves which of the following metals? a. Iron b. Mercury c. Copper d. Manganese e. None of the above

19. One of the most frequent methods of exposure to beryllium is: a. Workers' inhalation of beryllium in the meat packing industry b. Via wounds in the skin c. Via direct skin contact d. Through ingestion e. Workers' inhalation of beryllium in metal processing industries

20. Aluminum has been studied as a factor that may be linked to: a. Melanosis of the skin b. Chronic renal disease c. Alzheimer's disease d. Low blood pressure e. None of the above