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Which of the following describes CPAP?

  1. Continuous positive airway pressure

  2. Controlled positive airway pressure

  3. Constant positive airway pressure

  4. Collaborative positive airway pressure

The correct answer is: Continuous positive airway pressure

The term CPAP stands for Continuous Positive Airway Pressure. This technique is primarily used in the medical field, particularly in the management of patients with obstructive sleep apnea, as well as in various other respiratory conditions. Continuous Positive Airway Pressure involves the delivery of a constant level of positive pressure throughout the entire breathing cycle. This helps keep the airways open, preventing collapse during sleep and allowing for better oxygenation and ventilation. The device typically consists of a machine that generates the pressure and a mask worn over the nose or mouth to deliver the air. The other terms provided in the options do not accurately represent what CPAP stands for or how it functions in clinical practice. Understanding the precise meaning of CPAP is crucial for professionals working in anesthesia and respiratory care, as it's commonly utilized in various settings to support patients' breathing needs.