What Is the Primary Regulator of the Magnitude of Ventilation

question 196

Multiple Choice

What is the primary regulator of the magnitude of ventilation in normal circumstances?

• A) H⁺ concentration of the brain extracellular fluid, which is monitored by central chemoreceptors
• B) PO₂ of the arterial blood, which is monitored by central chemoreceptors
• C) PO₂ of the arterial blood, which is monitored by peripheral chemoreceptors
• D) PCO₂ of arterial blood, which is monitored by central chemoreceptors

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