Occupational and Environmental Health: Recognizing and Preventing Disease and Injury - Multiple Choice Questions - Learn & Prevent

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Which form of mercury poisoning was first identified in fishing communities on Minamata Bay?

  1. Elemental mercury poisoning

  2. Inorganic mercury poisoning

  3. Organic mercury poisoning

  4. Dimethylmercury poisoning

The correct answer is: Organic mercury poisoning

Mercury poisoning is a serious condition caused by exposure to high levels of mercury. There are three main types of mercury poisoning, namely elemental mercury poisoning, inorganic mercury poisoning, and organic mercury poisoning. In this case, the first form of mercury poisoning was identified in fishing communities on Minamata Bay was organic mercury poisoning, also known as Minamata disease. This was caused by the consumption of contaminated fish, specifically shellfish, which had accumulated high levels of methylmercury due to industrial waste being dumped into the bay. As for the other options, elemental mercury poisoning is caused by inhaling mercury vapors, while inorganic mercury poisoning is caused by ingesting or inhaling mercury compounds. Dimethylmercury poisoning is a specific type of organic mercury poisoning caused by exposure to dimethylmercury, a highly toxic chemical compound. Therefore, these options are not correct because they do not

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