NREMT Paramedic

Answer: B - The ABCs of emergency care refer to airway, breathing, and circulation. Because the body’s cells require oxygen to function, proper respiration is essential for supplying that oxygen to the blood. Thus, an unobstructed airway and sufficient breathing are necessary to keep the body functioning properly. The oxygen that reaches the blood via the lungs must reach all areas of the body. In particular, the heart and brain require a constant supply of fresh oxygen to function properly. Therefore, the circulation of the patient must also be a priority during the initial assessment of a patient.