The Primary Regulator of the Magnitude of Ventilation in Normal

Multiple Choice

The primary regulator of the magnitude of ventilation in normal circumstances is the

A) H⁺ concentration of the brain extracellular fluid monitored by central chemoreceptors.
B) PO₂ of the arterial blood monitored by central chemoreceptors.
C) PO₂ of the arterial blood monitored by peripheral chemoreceptors.
D) PCO₂ of arterial blood monitored by central chemoreceptors.
E) PCO₂ of arterial blood monitored by peripheral chemoreceptors.