What is the correct sequence for basic life support (BLS)?

The correct sequence for basic life support (BLS) is critical for ensuring an effective response to a person in cardiac arrest or respiratory distress. The chosen response highlights the necessity of first checking responsiveness to determine if the individual is conscious or in need of immediate assistance. If the person does not respond, calling for help is essential to ensure that emergency medical services are on their way, as advanced care will eventually be needed.

Following these initial steps, opening the airway is performed to ensure that the person can receive oxygen. This is crucial because in cases of cardiac arrest, most victims can benefit from early ventilation support. After establishing an open airway, providing breaths can be initiated, helping to deliver necessary oxygen until further interventions can begin. Finally, chest compressions should be administered promptly, as they are the cornerstone of BLS, particularly to maintain circulation and blood flow to vital organs.

This systematic approach underscores the importance of preparedness, efficiency, and prioritization in emergency situations, which are all core tenets of BLS training. Emphasizing the steps in the right order maximizes the chances of survival and recovery for the individual experiencing the emergency.