Toxic Metals

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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

E. All of the above

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

E. All of the above

Diffuse and spotted melanosis is associated with ingestion of: A. Lead B. Cadmium C. Mercury D. Arsenic E. None of the above

D. Arsenic

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

A. Their specific gravity exceeds that of water by five or more times

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

B. Cadmium

Bioaccumulation (biomagnification) of heavy metals is a particular hazard associated with: A. Iron B. Mercury C. Copper D. Manganese E. None of the above

B. Mercury

Minimata disease was associated with ingestion of seafoods tainted with: A. Lead B. Cadmium C. Mercury D. Arsenic E. None of the above

C. Mercury


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