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Besides blocking haemoglobin, what is carbon monoxide’s second toxicity mechanism?

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1. Besides blocking haemoglobin, what is carbon monoxide’s second toxicity mechanism?

It reacts with stomach acid to form a corrosive compound

It binds mitochondrial cytochrome c oxidase, blocking aerobic respiration

It dissolves directly into blood plasma, causing embolism

It reacts with white blood cells, causing an autoimmune response

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