Basic Life Support (BLS) Practice Exam

What emergency condition involves a complete cessation of respiratory function?

1. Choking

2. Respiratory arrest

3. Cardiac arrest

4. Shock

The correct answer is: Respiratory arrest

The emergency condition that involves a complete cessation of respiratory function is respiratory arrest. In this situation, the individual is no longer able to breathe, which can quickly lead to a lack of oxygen in the body and result in serious complications if not addressed promptly. Respiratory arrest can occur due to various reasons, including severe obstruction of the airway, respiratory diseases, or as a result of other medical conditions. It is critical to recognize the signs of respiratory arrest, such as the absence of breath sounds, no chest movement, and potential cyanosis. Immediate intervention, such as administering rescue breaths or using an automated external defibrillator (AED) if necessary, is essential to restore breathing and prevent further harm. Other conditions like choking involve obstruction of the airway, which may not necessarily lead to a complete cessation of respiratory function if the obstruction can be relieved. Cardiac arrest relates to the heart’s function rather than breathing, as it involves the heart stopping to effectively pump blood, leading to a loss of circulation. Shock describes a state of inadequate blood flow to the organs but does not specifically indicate a stopping of respiratory function. Each of these conditions requires a different approach in emergency care and is distinct from respiratory arrest’s specific focus on breathing cessation.