North Carolina EMT State Practice Exam

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How should a suctioning technique be repeated when dealing with frothy secretions?

  1. Suction for 10 seconds then ventilate for 1 minute

  2. Suction for 15 seconds then ventilate for 2 minutes

  3. Suction continuously for 1 minute

  4. Suction for 20 seconds then ventilate for 30 seconds

The correct answer is: Suction for 15 seconds then ventilate for 2 minutes

When dealing with frothy secretions, an appropriate suctioning technique is crucial for maintaining the airway and ensuring effective ventilation. The correct approach involves suctioning for a moderate duration and allowing ample time for ventilation afterward. Suctioning for 15 seconds is within recommended limits for avoiding injury to the airway, while ventilating for 2 minutes allows sufficient time for reoxygenation and stabilizing the patient's condition. Frothy secretions can block airflow and impair gas exchange, necessitating a careful balance between effective suctioning and the need for adequate oxygenation. By using a suction duration of 15 seconds, you minimize the risk of hypoxia, whereas the ventilate phase of 2 minutes provides enough time for oxygen to enter the bloodstream, helping to prevent further complications. This method is consistent with standard EMS protocols, prioritizing patient safety and effective airway management.

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