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

Question

Quizplus · Accepted Answer

An increase in carbon dioxide levels in the blood triggers chemoreceptors in the brainstem to increase the rate of breathing in order to eliminate the excess carbon dioxide through exhalation.

A 10-Percent Increase in the Level of Carbon Dioxide in the Blood