As the volume of the lungs increases,
A) the DRG respiratory center is gradually stimulated, and the VRG respiratory center is inhibited.
B) the DRG and VRG respiratory centers are stimulated.
C) the DRG and VRG respiratory centers are inhibited.
D) the DRG respiratory center is gradually inhibited and the VRG expiratory center is stimulated.
E) the deflation reflex occurs.

Question

Quizplus · Accepted Answer

As the lungs expand, stretch receptors are activated, leading to the inhibition of the DRG (Dorsal Respiratory Group) and stimulation of the VRG (Ventral Respiratory Group) expiratory center to facilitate expiration.

As the Volume of the Lungs Increases