The Nurse Is Initiating One-Rescuer Cardiopulmonary Resuscitation (CPR) on an Adult

The nurse is initiating one-rescuer cardiopulmonary resuscitation (CPR) on an adult client. After ventilating the client, the nurse places the hands in which of the following positions to begin chest compressions?

A) On the lower half of the sternum
B) On the lower third of the sternum
C) On the upper third of the sternum
D) On the upper half of the sternum