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True or False:
TB can only be transmitted in hospital and healthcare settings.
The infectiousness of a TB patient is directly related to the number of droplet nuclei carrying M. tuberculosis (tubercle bacilli) that are expelled into the air. TB can be transmitted in just about any setting. It can be spread in places such as homes or work sites. However, TB is most likely to be transmitted in healthcare settings when healthcare workers and patients come in contact with persons who have unsuspected TB disease, who are not receiving adequate treatment, and who have not been isolated from others.
All healthcare settings need an _________ program designed to ensure the following: prompt detection of TB disease, airborne precautions, and treatment of people who have suspected or confirmed tuberculosis (TB) disease.
TB is most likely to be transmitted in healthcare settings when healthcare workers and patients come in contact with persons who have unsuspected TB disease, who are not receiving adequate treatment, and who have not been isolated from others. All healthcare settings need an infection-control program designed to ensure the following: Prompt detection of TB disease. Airborne precautions. Treatment of people who have suspected or confirmed tuberculosis (TB) disease. Overview of TB Infection-Control Measures.
True or False:
The TB infection-control program should be based on the following three-level hierarchy of control measures: administrative controls, environmental controls, and use of respiratory protective equipment.
TB is most likely to be transmitted in healthcare settings when healthcare workers and patients come in contact with persons who have unsuspected TB disease, who are not receiving adequate treatment, and who have not been isolated from others.The TB infection-control program should be based on the following three-level hierarchy of control measures: Administrative controls. Environmental controls. Use of respiratory protective equipment
_________________ are management measures that are intended to reduce the risk of exposure to persons with infectious TB.
Overview of TB Infection-Control Measures: The TB infection-control program should be based on the following three-level hierarchy of control measures: Administrative controls. Environmental controls. Use of respiratory protective equipment. Administrative Controls: The first and most important level of the hierarchy, administrative controls are management measures that are intended to reduce the risk of exposure to persons with infectious TB.
True or False:
It is a good practice to assign someone the responsibility for TB infection control in the healthcare setting.
The first and most important level of the hierarchy, administrative controls are management measures that are intended to reduce the risk of exposure to persons with infectious TB. These control measures consist of the following activities: Assigning someone the responsibility for TB infection control in the healthcare setting. Conducting a TB risk assessment of the setting. Developing and implementing a written TB infection-control plan.
Proper cough etiquette is ____________________.
Administrative controls are management measures that are intended to reduce the risk of exposure to persons with infectious TB. These control measures consist of the following activities: Applying epidemiology-based prevention principles, including the use of setting-related TB infection-control data. Using posters and signs to remind patients and staff of proper cough etiquette (covering mouth when coughing) and respiratory hygiene.
The second level of the hierarchy is the use of _____________ to prevent the spread and reduce the concentration of infectious droplet nuclei.
The second level of the hierarchy is the use of environmental controls to prevent the spread and reduce the concentration of infectious droplet nuclei. This includes two types of environmental control: Primary environmental controls and secondary environmental controls.
True or False:
Primary environmental controls consist of controlling the source of infection by using local exhaust ventilation (e.g., hoods, tents, or booths) and diluting and removing contaminated air by using general ventilation.
Primary environmental controls consist of controlling the source of infection by using local exhaust ventilation (e.g., hoods, tents, or booths) and diluting and removing contaminated air by using general ventilation. Secondary environmental controls consist of controlling the airflow to prevent contamination of air in areas adjacent to the source (airborne infection isolation [AII] rooms) and cleaning the air by using high efficiency particulate air (HEPA) filtration or ultraviolet germicidal irradiation.
_________________ consists of the use of personal protective equipment in situations that pose a high risk of exposure to TB disease.
The third level of the hierarchy is the use of respiratory protection control. It consists of the use of personal protective equipment in situations that pose a high risk of exposure to TB disease. Use of respiratory protection equipment can further reduce risk for exposure of healthcare workers to infectious droplet nuclei that have been expelled into the air from a patient with infectious TB disease.
The infectiousness of a _______________ is directly related to the number of droplet nuclei carrying M. tuberculosis (tubercle bacilli) that are expelled into the air.
Use of respiratory protection equipment can further reduce risk for exposure of healthcare workers to infectious droplet nuclei that have been expelled into the air from a patient with infectious TB disease. Determining the Infectiousness of TB Patients: The infectiousness of a TB patient is directly related to the number of droplet nuclei carrying M. tuberculosis (tubercle bacilli) that are expelled into the air.
