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Chapter 21
Therapeutic Agents for the Respiratory System
| Term | Definition |
|---|---|
| Allergen | A substance that causes an allergic reaction |
| Alveoli | Tiny air sacs in the lungs where oxygen and carbon dioxide exchange takes place |
| Anticholinergic | An agent that inhibits the physiological action of acetylcholine |
| Antihistamine | A drug hat can decrease the central nervous system coughing reflex |
| Aspiration | To draw a foreign substance into the respiratory tract during inhalation |
| Bronchi | The major lung air passages that diverge from the bronchus in the lungs |
| Cilia | Short, microscopic, hairlike structures |
| Decongestant | A drug that shrinks the swollen membranes in the nasal cavity, making it easier to breathe |
| Diaphragm | A dome-shaped, muscular partition separating the thorax from the abdomen that plays a major role in breathing |
| Dyspnea | Difficult or labored breathing |
| Expectorant | A drug that helps remove mucous secretions from the respiratory system; it loosens and thins sputum and bronchial secretions for ease of expectoration |
| Expiration | The act of breathing out; exhalation |
| Influenza | A respiratory tract infection caused by an influenza virus |
| Inspiration | The act of breathing in; inhalation |
| Prophylactic | Treatment given before an event or exposure to prevent the condition or symptom |
| Sputum | Fluid (mucus) expectorated from the lungs and bronchial tissues |
Created by:
Alomdra