Why does prolonged exposure to high levels of carbon monoxide (above 5000 ppm) lead to death in humans?

Chemical Environmental Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

PPSCFPSCNTSPakistan govt jobs
Subject
Chemical Environmental Engineeringchemical-engineering › chemical-environmental-engineering-chemical-engineering
Published
11 Mar 2019
Last updated
28 May 2026

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Choose the correct answer

Explanation

The primary cause of death from high carbon monoxide exposure is blood clotting. Other options, such as respiratory blockage or formation of carboxyhemoglobin, are incorrect in this context.

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