What Is the Primary Regulator of the Magnitude of Alveolar

question 61

Multiple Choice

What is the primary regulator of the magnitude of alveolar ventilation under normal circumstances?

• A) the H⁺ concentration in the brain extracellular fluid, which is monitored by central chemoreceptors
• B) The PO₂ of the arterial blood, which is monitored by central chemoreceptors
• C) The PO₂ of the arterial blood, which is monitored by peripheral chemoreceptors
• D) the H⁺ concentration in the arterial blood, which is monitored by central chemoreceptors
• E) stretch receptors in the lung

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