A 10 percent increase in the level of carbon dioxide in the blood will
A)decrease the rate of breathing.
B)double the rate of breathing.
C)decrease pulmonary ventilation.
D)decrease the alveolar ventilation rate.
E)reduce the vital capacity by 10%.

Question

Quizplus · Accepted Answer

An increase in the level of carbon dioxide in the blood stimulates chemoreceptors, which in turn increase the rate of breathing to expel the excess CO2, effectively doubling the rate of breathing to return to homeostasis.

A 10 Percent Increase in the Level of Carbon Dioxide