An engine mechanic is accidentally exposed to carbon monoxide which he breathes for a short period of time. Which of the following would you expect to occur?

Question

Answer

His systemic arterial blood PO2 would rise.

Answer

Oxygen would be displaced from his haemoglobin, lowering his blood oxygen content.

Answer

His blood would have a decreased oxygen-haemoglobin affinity.

Answer

His alveolar PO2 values would increase as more O2 is unloaded from the blood.

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An engine mechanic is accidentally exposed to carbon monoxide which he breathes ...

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