At what adult age does the PaO₂ generally start to decline? A) 65 years B) 45 years C) 75 years D) 55 years

Name: At what adult age does the PaO 2 generally start to decline? A) 65 years B) 45 years C) 75 years D) 55 years
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The partial pressure of oxygen (PaO2) in the blood typically begins to decline around the age of 45 due to changes in lung function and efficiency as part of the natural aging process.

At What Adult Age Does the PaO2 Generally Start to Decline

At What Adult Age Does the PaO₂ Generally Start to Decline