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Vocabulary
Unit 39: Respiratory System
| Term | Definition |
|---|---|
| Alveoli | The tiny, balloon-like sacs located at the end of the bronchioles - where the exchange of gases take place (02 in, CO2 out). |
| Larynx | Voice box. |
| Trachea | Main airway, windpipe. |
| Laryngectomy | Surgical removal of the larynx. |
| Tracheostomy | To create a surgical opening into the trachea. |
| O2 | Oxygen. |
| CO2 | Carbon dioxide. |
| Inhalation | Inspiration (when you breathe in). |
| Exhalation | Expiration (when you breathe out). |
| Respiration | One cycle of breathing in and breathing out. |
| C.O.P.D. | Chronic Obstructive Pulmonary Disease (alveoli lose their elasticity, pt. has trouble with exhalation). |
| URI | Upper Respiratory Infection. |
| Dyspnea | Difficulty breathing. |
| Bronchi | Two main branches off the trachea, into the lungs. |
| Bronchoscopy | Visual examination of the bronchi and the lungs. |
| Pneumonia | Inflammation or infection of the lungs. |
| High Fowler's position | When pt. is sitting bolt upright at a 90 degree angle. |
| Orthopneic position | When pt. leans over a bedside table with a pillow in front of them to help their breathing. |
| Sputum | Also called phlegm, mucus-secretions from deep in the lungs. |
| Hemoptysis | Condition of blood in the sputum (this is not normal, could mean inflammation, pneumonia, cancer, or TB). |
| Hypoxia | Low oxygen (pulse oximetry of less than 90% - tell nurse right away!). |
| Cyanosis | Bluish skin caused by low oxygen. |
| Pulmonology | The study of the lungs. |
| Pulmonologist | A specialist in the lungs. |
| Pneumonectomy | Surgical removal of the lung. |
| Otorhinolaryngologist | A specialist in the ears, nose, and throat (also called an ENT doctor). |
| SOB | Shortness of breath. |
| Apnea | No breathing. |
| Nasal cannula tubing | Special tubing to deliver oxygen through the nose (two little prongs go in the nose, tubing continues around each ear, and then tightens under the chin). |
| Aspiration | To accidentally breathe food or fluids into your lungs. |
| Pneumothorax | Air trapped in the chest cavity usually caused by a collapsed lung. |
| Pleural effusion | Fluid in the pleura sac of the lungs. |