Which sequence is correct for administering CPR to an adult?

The correct approach to administering CPR to an adult is to start with 30 chest compressions followed by 2 rescue breaths. This sequence follows the recommended guidelines set forth by organizations such as the American Heart Association.

The rationale behind this method focuses on providing effective circulation and oxygenation to the victim’s brain and vital organs during a cardiac arrest. The chest compressions help maintain blood flow, while the rescue breaths provide necessary oxygen to the lungs. This cycle of 30 compressions followed by 2 breaths adds to the effectiveness of CPR, creating a rhythm that maximizes the chances of reviving the individual until professional help arrives.

The incorrect choices suggest alternative methods that do not align with current CPR practices. Rescue breaths before compressions or incorrect ratios of compressions to breaths do not adequately support circulation and oxygenation during an emergency. Proper training emphasizes the importance of the correct sequence and ratio, as the effectiveness of CPR can significantly impact survival rates during a cardiac emergency.