Which of the following statements regarding control of respiration is correct?
A) A slight decrease in arterial PO2 is a stronger stimulus for increased ventilation than is a comparable decrease in arterial PCO2.
B) The most important signal for regulating ventilation is the H+ concentration of arterial blood.
C) Increased concentrations of lactic acid stimulate ventilation primarily by acting on peripheral chemoreceptors.
D) An increase in the HCO3- concentration in blood stimulates ventilation.
E) At high altitude,a decrease in PCO2 of the blood stimulates an increase in ventilation.
Correct Answer:
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