A dual-chamber pacemaker is surgically placed in a patient's chest.Wires then carry pulses to the right atrium and the right ventricle.How would the pulses be directed from the pacemaker to the heart?
A) Only the ventricle would be stimulated.
B) The ventricle would be stimulated first and then the atrium.
C) Both the atrium and ventricle would be stimulated simultaneously.
D) Only the atrium would be stimulated.
E) The atrium would be stimulated first and then the ventricle.

Question

Quizplus · Accepted Answer

Pacemakers stimulate the chambers of the heart in the normal order.

A Dual-Chamber Pacemaker Is Surgically Placed in a Patient's Chest