Which Statement Concerning the Peripheral Chemoreceptors Is INCORRECT

question 177

Multiple Choice

Which statement concerning the peripheral chemoreceptors is INCORRECT?

• A) They are stimulated whenever the arterial PO₂ falls below normal.
• B) They are weakly stimulated by a rise in arterial PCO₂.
• C) They are stimulated by an increase in arterial H⁺, which plays an important role in acid-base balance.
• D) They are located at the bifurcation of the common carotid arteries and in the aortic arch.

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