Advanced Cardiovascular Life Support (ACLS) Practice Exam

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What is the correct procedure for endotracheal tube suctioning?

Suction continuously for 30 seconds
Suction during withdrawal but for no longer than 10 seconds
Use a saline rinse before suctioning
Suction immediately after insertion

The correct answer is: Suction during withdrawal but for no longer than 10 seconds

The correct procedure for endotracheal tube suctioning involves suctioning during withdrawal but for no longer than 10 seconds. This method is critical to ensure that the airway is adequately cleared of secretions while minimizing the risk of hypoxia or trauma to the airway. Suctioning during withdrawal allows for a more effective removal of secretions as the catheter is pulled back, which is when the suction is most effectively applied to the obstructions. Limiting the suction time to 10 seconds is essential because prolonged suctioning can lead to inadequate oxygenation and potential complications such as increased intracranial pressure. During suctioning, patients may experience transient drops in oxygen saturation, so it's important to keep the process brief and focused to reduce these risks. The other approaches mentioned do not align with best practices for suctioning. Continuous suctioning for 30 seconds may lead to significant hypoxia due to prolonged interruption of airflow. Using a saline rinse before suctioning is generally not recommended because it can actually increase aspiration risk, and suctioning immediately after insertion does not allow for assessment of the airway and could cause trauma. Focusing on effective suctioning technique maximizes patient safety and improves outcomes.