How Low Must the Partial Pressure of Arterial Oxygen (PaO₂)

question 11

Multiple Choice

How low must the partial pressure of arterial oxygen (PaO₂) drop before the peripheral chemoreceptors influence ventilation?

• A)Below 100 mmHg
• B)Below 80 mmHg
• C)Below 70 mmHg
• D)Below 60 mmHg

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