A VOO Pacemaker Would Pace the

A VOO pacemaker would pace the

A) ventricle,sense the ventricle,and be inhibited by intrinsic ventricular beats.
B) atrium,sense nothing,and have no response to sensed events since it cannot sense.
C) ventricle,sense nothing,and have no response to sensed events since it cannot sense.
D) atrium and ventricle,sense atrium and ventricle,and have both an inhibitory and a triggered response to sensed events.