CPR, or cardiopulmonary resuscitation, is a first-aid technique to help save lives. It involves compressions of the patient’s chest cavity. Which description is the best description of the functions of chest compressions in CPR? A Chest compressions are done to pump the heart.
B Chest compressions are done to strengthen the rib bones.
C Chest compressions increase carbon dioxide inhalation.
D Chest compressions allow the patient's muscles to wake up.