John Hopkins School of Medicine (1995) describes conducting airways as those consisting of the oro-and nasopharynx, larynx, trachea, main bronchi, lobar bronchi, divisions of bronchi and bronchioles. However, the alveoli, alveolar ducts and respiratory bronchioles are involved in the gaseous exchange with the pulmonary capillary.
Community-acquired pneumonia is caught in the public areas such as schools. It is caused by the virus, bacteria and fungi (John Hopskins School of Medicine, 1995).
Hospital-acquired pneumonia may be acquired in hospital and in most cases at the intensive care unit.
Reactivated tuberculosis occurs due to reactivation that takes place within the old lesions or progression from primary into chronic form.
Small-cell lung cancer disease involves formation of cancerous cells in lung tissues ...