Which of the Following Changes Would Lead to an Increase

Question

Which of the following changes would lead to an increase in the rate and depth of breathing? A)decreased carbon monoxide in the venous blood B)increased h⁺ and carbon dioxide in the cerebrospinal fluid C)decreased bicarbonate in the arterial blood D)increased oxygen in the arterial blood E)decreased carbonic acid in the venous blood

Accepted Answer

Increased levels of carbon dioxide in the cerebrospinal fluid stimulate chemoreceptors in the brainstem, leading to an increase in the rate and depth of breathing.