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Questions and Answers
What percentage of latent tuberculosis infections progress to active disease if left untreated?
What is the main cause of tuberculosis?
How is tuberculosis primarily spread from one person to another?
What is the main method for diagnosing latent tuberculosis?
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Who are considered to be at high risk for tuberculosis and should be screened?
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Study Notes
Tuberculosis Basics
- If left untreated, approximately 5-10% of latent tuberculosis infections progress to active disease.
- The main cause of tuberculosis is Mycobacterium tuberculosis bacteria.
Transmission and Diagnosis
- Tuberculosis is primarily spread from one person to another through the air when an infected person coughs, sneezes, or talks, releasing droplets that contain the bacteria.
- The main method for diagnosing latent tuberculosis is the tuberculin skin test (TST) or interferon-gamma release assay (IGRA).
High-Risk Groups
- Individuals considered to be at high risk for tuberculosis and should be screened include:
- Those living with HIV/AIDS
- People who have recently immigrated from areas where tuberculosis is common
- Healthcare workers
- Residents and employees of high-risk congregate settings (e.g. correctional facilities, homeless shelters)
- People who have had close contact with someone who has active tuberculosis
- Those who have a weakened immune system (e.g. due to medications or underlying medical conditions)
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Description
Test your knowledge about Tuberculosis (TB) with this quiz. Learn about the causes, symptoms, and treatment of this infectious disease caused by Mycobacterium tuberculosis (MTB) bacteria.
