1) The basic rhythm of respiration is generated mainly by:

a) DRG
b) VRG
c) PNC
d) APC


2) The center known as the "inspiratory pacemaker" is

a) DRG
b) VRG
c) PNC
d) APC


3) Match these to where they work in the brain:

a) DRG 1)High Pons
b) VRG 2)Low Pons
c) PNC 3)medulla
d) APC 4)Cerebellum