American Lifeguard Practice Exam

Where should you place your hands on an adult victim to give chest compressions during CPR?

1. On the lower half of the chest

2. Two hands on the center of the chest

3. One hand above the naval

4. Both hands on the sides of the ribcage

The correct answer is: Two hands on the center of the chest

The correct placement for delivering chest compressions during CPR on an adult victim is to position both hands in the center of the chest. This technique is essential because the center of the chest, specifically the lower half of the sternum (breastbone), is the most effective area for generating adequate compressive force to optimize blood circulation. When compressions are delivered at this location, they are more likely to effectively compress the heart, allowing for adequate blood flow to vital organs during this critical moment. Additionally, placing the hands in the center helps ensure that compressions are delivered straight down, maximizing the person’s chances of survival until professional medical help arrives. In contrast, placing hands in the lower half of the chest, above the navel, or on the sides of the ribcage would not provide the same level of effectiveness in maintaining blood circulation, as these areas do not efficiently compress the heart.