Chemoreceptors are very sensitive to changes in CO₂ concentration in the blood. Increased CO₂ levels result in messages to the respiratory center to decrease the rate and depth of ventilation. A) Both statements are true. B) Both statements are false. C) The first statement is true; the second is false. D) The second statement is true; the first is false.

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Quizplus · Accepted Answer

Chemoreceptors are indeed sensitive to changes in CO2 concentration, but increased CO2 levels actually result in messages to increase the rate and depth of ventilation to expel more CO2.

Chemoreceptors Are Very Sensitive to Changes in CO2 Concentration in the Blood

Chemoreceptors Are Very Sensitive to Changes in CO₂ Concentration in the Blood