Expiratory neurons
A) are found in both the DRG and VRG
B) send impulses to the expiratory muscles during normal quiet breathing
C) are stimulated by the phrenic nerve
D) are stimulated by the apneustic area
E) none of these

Question

Quizplus · Accepted Answer

Expiratory neurons are primarily located in the VRG (ventral respiratory group) and are not active during normal quiet breathing, which is mainly a passive process. They are not stimulated by the phrenic nerve or the apneustic area.

Expiratory Neurons