When central chemoreceptors detect a drop in the pH of the cerebrospinal fluid,

A.  medullary respiratory centers trigger an increase in rate and depth of breathing.
B.  medullary respiratory centers trigger a decrease  in rate and depth of breathing.
C.  pontine respiratory centers trigger a decrease  in rate and depth of breathing.
D.  the vagus and phrenic nerves stimulate decreased production of the catalyst carbonic anhydrase.


A

Anatomy & Physiology

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