Which of These Statements Does NOT Describe the Peripheral Chemoreceptors

question 2

Multiple Choice

Which of these statements does NOT describe the peripheral chemoreceptors

• 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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