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Mycobacterium tuberculosis and Tuberculosis

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Mycobacterium tuberculosis and Tuberculosis

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Questions and Answers

How long may the air in a room remain infectious after a person with pulmonary tuberculosis leaves?

1 hour

15 minutes

30 minutes (correct)

5 minutes

What is the purpose of the BCG vaccine in relation to tuberculosis?

It boosts the immune system's response to tuberculosis

It prevents tuberculosis infection entirely

It prevents the progression to disseminated disease in young children (correct)

It cures tuberculosis in adults

What is the recommended method for preventing the spread of tuberculosis in healthcare settings?

Requiring patients to wear cloth masks and maintaining social distancing

Isolating patients in regular hospital rooms and relying on air filtration systems

Admitting patients to negative-pressure isolation rooms and using N95 respirator masks (correct)

Placing patients in positive-pressure rooms and using surgical masks

How many infectious droplet nuclei can a cough from a person with pulmonary tuberculosis produce?

3000 Signup and view all the answers

What type of vaccine is the BCG vaccine for tuberculosis?

Live-attenuated vaccine Signup and view all the answers

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 Signup and view all the answers

What is the leading cause of infectious disease deaths worldwide?

Tuberculosis Signup and view all the answers

Which of the following factors is essential for the rapid spread of M. tuberculosis?

Crowded living conditions Signup and view all the answers

In the United States, which group has high reported tuberculosis case rates?

Immigrants from countries with high TB incidence Signup and view all the answers

What is the primary mode of transmission for M. tuberculosis?

Airborne transmission through droplet nuclei Signup and view all the answers

Which of the following increases the risk of infection with drug-resistant Mycobacterium tuberculosis?

Exposure to persons known to have drug-resistant TB Signup and view all the answers