Which of the following is the major regulator of respiratory activity?
A)PO₂
B)PCO₂
C)Bicarbonate
D)Albumin

Question

Quizplus · Accepted Answer

PCO₂, or partial pressure of carbon dioxide, is the major regulator of respiratory activity. Increased PCO₂ levels lead to an increase in ventilation to remove excess CO₂ from the body, while decreased PCO₂ levels result in decreased ventilation to retain CO₂ in the body.

Which of the Following Is the Major Regulator of Respiratory