11 Questions
How long may the air in a room remain infectious after a person with pulmonary tuberculosis leaves?
30 minutes
What is the purpose of the BCG vaccine in relation to tuberculosis?
It prevents the progression to disseminated disease in young children
What is the recommended method for preventing the spread of tuberculosis in healthcare settings?
Admitting patients to negative-pressure isolation rooms and using N95 respirator masks
How many infectious droplet nuclei can a cough from a person with pulmonary tuberculosis produce?
3000
What type of vaccine is the BCG vaccine for tuberculosis?
Live-attenuated vaccine
Which of the following statements about Mycobacterium tuberculosis is correct?
It is an acid-fast aerobic bacillus with a high lipid content in its cell wall
What is the leading cause of infectious disease deaths worldwide?
Tuberculosis
Which of the following factors is essential for the rapid spread of M. tuberculosis?
Crowded living conditions
In the United States, which group has high reported tuberculosis case rates?
Immigrants from countries with high TB incidence
What is the primary mode of transmission for M. tuberculosis?
Airborne transmission through droplet nuclei
Which of the following increases the risk of infection with drug-resistant Mycobacterium tuberculosis?
Exposure to persons known to have drug-resistant TB
Learn about Mycobacterium tuberculosis, the bacterial species responsible for causing tuberculosis, and its characteristics such as acid-fast aerobic bacilli with a high cell wall lipid content. Explore the global impact of tuberculosis as a leading infectious disease cause of death, factors contributing to its rapid spread, and high incidence regions.
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