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Airway Key Terms
Airway Key Terms- Quiz 9
| Term | Definition |
|---|---|
| Ventilation | The mechanical movement of air into and out of the lungs. Ventilation allows oxygen to enter the lungs and carbon dioxide to be removed. |
| Respiration | The process of exchanging oxygen and carbon dioxide. It includes external respiration (between the lungs and blood) and internal respiration (between the blood and body cells). |
| Hypoxia | A condition in which body tissues do not receive enough oxygen to function properly. Signs may include restlessness, confusion, cyanosis, and altered mental status. |
| Apnea | The complete absence of breathing. Apneic patients require immediate airway management and positive-pressure ventilation. |
| OPA (Oropharyngeal Airway) | An airway adjunct inserted into the mouth to keep the tongue from blocking the airway in an unresponsive patient without a gag reflex. |
| NPA (Nasopharyngeal Airway) | An airway adjunct inserted through the nose to help maintain an open airway in patients with an intact gag reflex or who cannot tolerate an OPA |
| BVM (Bag-Valve Mask) | A handheld device used to provide positive-pressure ventilations to patients who are not breathing adequately or are apneic. |
| CPAP (Continuous Positive Airway Pressure) | A noninvasive ventilation device that delivers continuous positive airway pressure to help improve oxygenation and reduce the work of breathing in patients who are breathing on their own. |
| Pulse Oximetry | A noninvasive method of measuring the percentage of hemoglobin saturated with oxygen (SpO₂) using a sensor placed on a finger, toe, or earlobe. |
| Preoxygenation | The administration of high-concentration oxygen before airway procedures or assisted ventilation to increase the body's oxygen reserve and reduce the risk of hypoxia. |
| Tracheostomy | A surgically created opening in the trachea through the neck that provides a direct airway for breathing or mechanical ventilation. |
| Hypoxemia | is an abnormally low level of oxygen in the arterial blood |
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