Dimercaprol chelates which metals?

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Prepare for the Toxicology E3R Exam with interactive quizzes. Test your knowledge with multiple choice questions, each complete with explanations to ensure understanding. Enhance your readiness and excel on your exam!

Multiple Choice

Dimercaprol chelates which metals?

Explanation:
Dimercaprol works by using its two sulfhydryl (-SH) groups to bind metals, forming stable metal–thiol chelates that are easier to excrete. This affinity is strongest for certain heavy metals, notably lead and mercury, which is why dimercaprol is used for poisoning with those metals. While it can also chelate arsenic, its effectiveness for other metals like iron, copper, zinc, aluminum, or nickel is limited, so those are typically treated with different chelators.

Dimercaprol works by using its two sulfhydryl (-SH) groups to bind metals, forming stable metal–thiol chelates that are easier to excrete. This affinity is strongest for certain heavy metals, notably lead and mercury, which is why dimercaprol is used for poisoning with those metals. While it can also chelate arsenic, its effectiveness for other metals like iron, copper, zinc, aluminum, or nickel is limited, so those are typically treated with different chelators.

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