Which of the following statements concerning the peripheral chemoreceptors is incorrect? The peripheral chemoreceptors
a. are stimulated whenever the arterial PO2 falls below normal.
b. are weakly stimulated by a rise in arterial PCO2.
c. are stimulated by an increase in arterial H+, which plays an important role in acid-base balance.
d. are located at the bifurcation of the common carotid arteries and in the aortic arch.
e. when stimulated, reflexively increase ventilation.
A
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