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Health care

Of or pertaining to the prevention and treatment of illness, and the preservation of physical and mental well-being, through the services provided by medical professionals.

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Health care > Tuberculosis

acid-fast bacilli (AFB)

Health care; Tuberculosis

Bacteria that retain certain dyes after being washed in an acid solution. Most acid-fast organisms are mycobacteria. When AFB are seen on a stained smear of sputum or other ...


Health care; Tuberculosis

Refers to the behavior of patients when they follow all aspects of the treatment regimen as prescribed by the medical provider, and also refers to the behavior of HCWs and ...


Health care; Tuberculosis

The droplet nuclei that are expelled by an infectious person (e.g., by coughing or sneezing); these droplet nuclei can remain suspended in the air and can transmit M. tuberculosis ...


Health care; Tuberculosis

The American Institute of Architects, a professional body that develops standards for building ventilation.

air changes

Health care; Tuberculosis

The ratio of the volume of air flowing through a space in a certain period of time (i.e., the airflow rate) to the volume of that space (i.e., the room volume); this ratio is ...

air mixing

Health care; Tuberculosis

The degree to which air supplied to a room mixes with the air already in the room, usually expressed as a mixing factor. This factor varies from 1 (for perfect mixing) to 10 (for ...


Health care; Tuberculosis

The small air sacs in the lungs that lie at the end of the bronchial tree; the site where carbon dioxide in the blood is replaced by oxygen from the lungs and where TB infection ...