North Carolina EMT State Practice Exam

What is the right approach to combine oxygen and ventilation techniques effectively?

1. Ensure a tight seal and deliver high flow

2. Use low flow to prevent fire hazards

3. Perform ventilation with minimal oxygen

4. Limit the use of oxygen in ventilation

The correct answer is: Ensure a tight seal and deliver high flow

The correct approach to combine oxygen and ventilation techniques effectively involves ensuring a tight seal and delivering high flow oxygen. This method is crucial in emergency medical situations where patients may be experiencing respiratory distress or failure. When a tight seal is made, especially during the use of devices like a bag-valve mask, it allows for the efficient transfer of oxygen directly into the patient's lungs, maximizing oxygenation and minimizing the risk of air leakage. High flow oxygen helps to provide adequate oxygen saturation, supporting the patient's vital functions while ventilating. In emergencies, providing high concentrations of oxygen is often necessary to address hypoxia and other respiratory issues, particularly when dealing with critical conditions such as cardiac arrest or severe respiratory illness. This strategy ensures that adequate oxygen reaches the tissues, thus supporting the overall metabolic needs of the body.