What is the fatal dose range of barium that may harm the nervous system and heart?

Prepare for the NEHA Registered Environmental Health Specialist/Registered Sanitarian Exam. Study with flashcards and multiple choice questions, each question includes hints and explanations. Excel in your exam!

The fatal dose range of barium that can adversely affect the nervous system and heart generally falls within the range of 550 to 600 mg. Barium is a heavy metal that, when ingested in significant quantities, can lead to serious health complications, including muscle paralysis and cardiac abnormalities. The symptoms of barium poisoning can be severe, as it interferes with potassium levels and disrupts normal cellular processes, particularly in muscle and nerve tissue.

Understanding this fatal dose range is critical for environmental health specialists as it underscores the importance of monitoring and controlling barium levels in drinking water, industrial discharges, and other environmental sources to protect public health. Knowing the toxicity levels also assists in establishing safety guidelines and appropriate interventions in cases of exposure.

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