Direct stimulation of neurons within the dorsal respiratory group would cause an increase in the frequency of action potential in the
A) glossopharyngeal nerve that innervates the pharyngeal muscles.
B) phrenic nerve that innervates the diaphragm.
C) vagus nerve that innervates the smooth muscle of the bronchioles.
D) intercostal nerves to internal intercostals muscles.
E) intercostal nerves to external intercostals muscles.

Question

Quizplus · Accepted Answer

The dorsal respiratory group (DRG) primarily controls the diaphragm, and stimulation would increase action potentials in the phrenic nerve, which innervates the diaphragm.

Direct Stimulation of Neurons Within the Dorsal Respiratory Group Would