Podcast
Questions and Answers
Which of the following is the primary mode of transmission for Mycobacterium tuberculosis?
Which of the following is the primary mode of transmission for Mycobacterium tuberculosis?
- Direct contact with infected animals
- Inhalation of droplet nuclei (correct)
- Transmission through blood transfusion
- Ingestion of contaminated food
What are the symptoms of primary tuberculosis infection?
What are the symptoms of primary tuberculosis infection?
- Fever and malaise (correct)
- Severe cough and chest pain
- Joint pain and muscle weakness
- Nausea and vomiting
What is the role of cell mediated immunity (CMI) in containing the infection?
What is the role of cell mediated immunity (CMI) in containing the infection?
- CMI increases the contagiousness of the disease
- CMI eliminates bacteria from distal organs (correct)
- CMI leads to the formation of fibrosis in the lungs
- CMI causes miliary tuberculosis
Which of the following factors correlates with increased risk of tuberculosis infection?
Which of the following factors correlates with increased risk of tuberculosis infection?
Which of the following is associated with a disease that infiltrates in the apex of the lung on x-ray or cavitation, also called caseous necrosis, in more advanced disease?
Which of the following is associated with a disease that infiltrates in the apex of the lung on x-ray or cavitation, also called caseous necrosis, in more advanced disease?
What is the characteristic X-ray finding in more advanced tuberculosis disease?
What is the characteristic X-ray finding in more advanced tuberculosis disease?
What is the term used to describe the spread of Mycobacterium tuberculosis through lymphatic drainage?
What is the term used to describe the spread of Mycobacterium tuberculosis through lymphatic drainage?
What is the primary site of initial multiplication of Mycobacterium tuberculosis in the body?
What is the primary site of initial multiplication of Mycobacterium tuberculosis in the body?
What is the term used to describe the formation of thousands of foci of multiplying organisms in tuberculosis?
What is the term used to describe the formation of thousands of foci of multiplying organisms in tuberculosis?
What is the characteristic X-ray finding in more advanced tuberculosis disease?
What is the characteristic X-ray finding in more advanced tuberculosis disease?
What are the symptoms of primary tuberculosis infection?
What are the symptoms of primary tuberculosis infection?
Which of the following is the primary site where dormant M. tuberculosis organisms reside in the body?
Which of the following is the primary site where dormant M. tuberculosis organisms reside in the body?
Which age group is more likely to develop tuberculous meningitis in developing countries?
Which age group is more likely to develop tuberculous meningitis in developing countries?
Which vaccine can provide protection against tuberculous meningitis in children?
Which vaccine can provide protection against tuberculous meningitis in children?
Which type of patients are susceptible to Mycobacterium avium-intracellulare (MAC) infection?
Which type of patients are susceptible to Mycobacterium avium-intracellulare (MAC) infection?
What are the symptoms of MAC infection in HIV patients?
What are the symptoms of MAC infection in HIV patients?
How is Mycobacterium tuberculosis resistant to drying, acid, alkali, and some disinfectants?
How is Mycobacterium tuberculosis resistant to drying, acid, alkali, and some disinfectants?
Which stain is traditionally used to detect acid-fast bacilli (AFB)?
Which stain is traditionally used to detect acid-fast bacilli (AFB)?
What is the primary mode of transmission for Mycobacterium tuberculosis?
What is the primary mode of transmission for Mycobacterium tuberculosis?
What is the characteristic property of M. tuberculosis that accounts for its acid fastness?
What is the characteristic property of M. tuberculosis that accounts for its acid fastness?
How long does it typically take for cultures of M. tuberculosis to grow?
How long does it typically take for cultures of M. tuberculosis to grow?
What temperature and duration of heating kills M. tuberculosis?
What temperature and duration of heating kills M. tuberculosis?
Which Mycobacteria screening method uses a mix of fluorescent dyes and is now routinely used to street for most mycobacteria?
Which Mycobacteria screening method uses a mix of fluorescent dyes and is now routinely used to street for most mycobacteria?
Which cells are responsible for mediating immunity and delayed-type hypersensitivity (DTH) to M. tuberculosis?
Which cells are responsible for mediating immunity and delayed-type hypersensitivity (DTH) to M. tuberculosis?
Which of the following is true about delayed-type hypersensitivity (DTH) to PPD?
Which of the following is true about delayed-type hypersensitivity (DTH) to PPD?
Which of the following is true about anergy?
Which of the following is true about anergy?
Which of the following is true about the transfer of immunity to M. tuberculosis?
Which of the following is true about the transfer of immunity to M. tuberculosis?
What is the term used to describe the absence or loss of a delayed-type hypersensitivity (DTH) response?
What is the term used to describe the absence or loss of a delayed-type hypersensitivity (DTH) response?
Mycobacteria ....
Mycobacteria ....
What is the characteristic X-ray finding in more advanced tuberculosis disease?
What is the characteristic X-ray finding in more advanced tuberculosis disease?
Which type of immune response is triggered by injection of PPD in individuals who have mounted a Th1 response to M. tuberculosis proteins?
Which type of immune response is triggered by injection of PPD in individuals who have mounted a Th1 response to M. tuberculosis proteins?
What is the significance of a positive Delayed-type Hypersensitivity (DTH) reaction to PPD?
What is the significance of a positive Delayed-type Hypersensitivity (DTH) reaction to PPD?
Which of the following is true about IL-12 and IFN-g deleted in the context of M. tuberculosis infection?
Which of the following is true about IL-12 and IFN-g deleted in the context of M. tuberculosis infection?
Which cells are targeted by the HIV virus in the context of M. tuberculosis infection?
Which cells are targeted by the HIV virus in the context of M. tuberculosis infection?
What is the role of tumor necrosis factor (TNF-a) in M. tuberculosis infection?
What is the role of tumor necrosis factor (TNF-a) in M. tuberculosis infection?
What is the purpose of Interferon-g Release Assays (IGRA) in the diagnosis of M. tuberculosis infection?
What is the purpose of Interferon-g Release Assays (IGRA) in the diagnosis of M. tuberculosis infection?
What is the BCG vaccine derived from?
What is the BCG vaccine derived from?
Which medium is used for sputum culture in the laboratory diagnosis of M. tuberculosis?
Which medium is used for sputum culture in the laboratory diagnosis of M. tuberculosis?
Which of the following is a recommended first-line drug for the treatment of M. tuberculosis?
Which of the following is a recommended first-line drug for the treatment of M. tuberculosis?
What is the term used to describe the emergence of multi-drug resistant TB, which is resistant to isoniazid and rifampin?
What is the term used to describe the emergence of multi-drug resistant TB, which is resistant to isoniazid and rifampin?
Which of the following is true about the treatment of M. tuberculosis?
Which of the following is true about the treatment of M. tuberculosis?
What is the term used to describe extensively drug resistant TB, which is resistant to a second line drug?
What is the term used to describe extensively drug resistant TB, which is resistant to a second line drug?
What is the primary reason for using multiple antibiotic regimens for the treatment of M. tuberculosis?
What is the primary reason for using multiple antibiotic regimens for the treatment of M. tuberculosis?
Which of the following mycobacteria do not produce niacin?
Which of the following mycobacteria do not produce niacin?
What are the first-line drugs recommended for a 4 drug regimen in the treatment of M. tuberculosis?
What are the first-line drugs recommended for a 4 drug regimen in the treatment of M. tuberculosis?
