The pneumotaxic center of the pons
A)sets the at-rest respiratory pattern.
B)prolongs inspiration.
C)modifies the rate and depth of breathing.
D)suppresses the expiratory center in the medulla.
E)both prolongs inspiration and modifies the rate and depth of breathing.

Question

Quizplus · Accepted Answer

The pneumotaxic center of the pons modifies the rate and depth of breathing by regulating the duration and frequency of inspiratory impulses from the medulla. It does not set the at-rest respiratory pattern or suppress the expiratory center in the medulla. It may prolong inspiration, but this is not its primary function.

The Pneumotaxic Center of the Pons