Final answer:
Chest compressions are done with the heel of the hand in the center of the sternum for adults and children.
Step-by-step explanation:
The statement is true. When performing CPR on adults and children, chest compressions are done with the heel of the hand in the center of the sternum. The sternum is the bony structure in the center of the chest, and compressions are performed between the lines at T4 and T9, as shown in Figure 19.3. Proper hand placement is important to effectively compress the heart and maintain blood flow.