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12 Cards in this Set
- Front
- Back
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Asthma Causes |
Allergic reaction to foreign substances that affect Respiratory tract |
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Agents which cause allergy |
Allergens |
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Symptoms of asthma |
1. Spasm of smooth muscles present in the walls of bronchi 2. Coughing 3. Wheezing 4. Difficulty in breathing due to inflammation. 5. Redness of bronchi and bronchioles. |
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Emphysema |
Full of air or inflation Chronic disorder |
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Major cause of emphysema |
Excessive cigarette smoking |
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Other causes of emphysema |
Inhalation of smoke or toxic substances over a period of time. |
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Symptoms of emphysema |
1.Walls of alveoli are damaged due to excessive smoking 2. Loss of elasticity of walls of bronchioles and alveoli. 3. Surface area for exchange of gases is reduced. 4. Alveolar sacs remain filled with air even after expiration. 5. Lungs remain inflated as exhalation becomes difficult. |
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Occupational Respiratory disorders |
Due to occupation |
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Causes |
Continuous exposure of harmful substances, gases , fumes, dust in the environment where a person works. |
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Silicosis |
Continuous exposure to silica |
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Asbestosis |
Continuous exposure to asbestos. |
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Symptoms of ORD |
1. Serious lung damage due to fibrosis of upper parts of lungs 2. Proliferation of fibres tissues causing inflammation of lungs. |
