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Lung & Respiratory Infections

February 14, 2012 335 No of hits
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Lung & Respiratory Infections

The respiratory system functions to perform four main functions: 1) exchange gases between the atmosphere and the blood, 2) homeostatic regulation of pH, 3) expel pathogens, and 4) vocalization. These functions become disturbed by lung and respiratory infections. Respiratory and lung infections are a result of bacteria, viruses, and pollutants becoming inhaled into the respiratory tracts.

Lung and reparatory infections affect the function of the lungs and the organs that make the respiratory system work. When this takes place breathing becomes difficult and the following diseases develop: asthma, chronic bronchitis, emphysema, pneumonia, and tuberculosis. Asthma is a disorder of the lungs that is brought on by an inflammation of the airways (bronchial tubes), which makes breathing difficult. Chronic bronchitis is an inflammation of the bronchi and is cause by tobacco smoking and air pollution. Emphysema is a progressive disorder of the lungs. It is caused by an obstruction in the lungs that leads to the disintegration of the alveoli- this stops gases from being exchanged between the atmosphere and the blood. Tobacco smoking is what triggers this infection to progress.

Pneumonia is a common lower respiratory tract infection which is caused by bacteria, viruses, and fungi. These organisms are inhaled and infect the lungs, if they are not secreted by the body's immune system. Tuberculosis (TB) is classified as a very dangerous infectious disease within the lungs. TB is caused by a bacterium called mycobacterium tuberculosis. When the bacterium enters the body it will reproduce and cause pneumonia to become present. Or the bacterium can lay dormant until the immune system is weakened by another infection before it becomes activated. TB can be acquired through diabetes cancer, alcohol, immunosuppressant drugs, and contact with infected person.

Treatments for lung and respiratory infections are used to help relieve certain symptoms. The medications used for asthma are inhaled and work to keep the airways of the lungs open. An example is corticosteroids. As lung damage is irreversible is cannot be repaired so suffers of chronic bronchitis are prescribed antibiotics and inhaled steroids. Emphysema is also incurable but treatments can be used to prevent the lungs from deteriorating. Pneumonia is treated with antibiotics depending on the infection.

Tuberculosis is treated these drugs rifampin, ethambutol, and pyrazinamide.

Tags:   Lung & Respiratory Infections   Respiratory and lung infections   Bacteria   Viruses  

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The respiratory system functions to perform four main functions: 1) exchange gases between the atmosphere and the blood, 2) homeostatic regulation of pH, 3) expel pathogens, and 4) vocalization. These functions become disturbed by lung and respiratory infections. Respiratory and lung infections are...

By: Richard Martine Created 76 months ago

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