hard · MCAT
A patient with carbon monoxide (CO) poisoning is treated with 100% oxygen.
Why is this treatment effective based on chemical principles?
- Oxygen permanently denatures the carboxyhemoglobin complex
- Oxygen acts as a catalyst for the oxidation of CO to CO_2 in the blood
- High oxygen concentration shifts the reversible equilibrium to displace CO from hemoglobin
- Oxygen increases the blood pH, which reduces the affinity of CO for hemoglobin
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