Podcast
Questions and Answers
What is the term for when primary tuberculosis heals without causing disease?
What is the term for when primary tuberculosis heals without causing disease?
- Latent infection (correct)
- Active bacteria
- Hematogenous focus
- Fibrosis infection
Which of the following is a risk factor for tuberculosis reactivation?
Which of the following is a risk factor for tuberculosis reactivation?
- Intravenous drug use
- Being a health-care worker
- Having a Ghon focus in the lower lung
- Smoking (correct)
In approximately what percentage of cases do those with latent infection progress to active disease (reactivation) later on?
In approximately what percentage of cases do those with latent infection progress to active disease (reactivation) later on?
- 15%
- 1%
- 5%
- 10% (correct)
What type of tuberculosis occurs with a cavity in the upper lobes?
What type of tuberculosis occurs with a cavity in the upper lobes?
Which drug type poses a risk factor for tuberculosis reactivation?
Which drug type poses a risk factor for tuberculosis reactivation?
What is the term used for the progression from latent infection to active disease?
What is the term used for the progression from latent infection to active disease?
What is the main mode of transmission of tuberculosis?
What is the main mode of transmission of tuberculosis?
What percentage of people are infected by aerosols produced by coughing of smear-negative individuals?
What percentage of people are infected by aerosols produced by coughing of smear-negative individuals?
In which type of countries does Mycobacterium bovis cause tuberculosis in humans?
In which type of countries does Mycobacterium bovis cause tuberculosis in humans?
Who is at the highest risk of tuberculosis infection and disease?
Who is at the highest risk of tuberculosis infection and disease?
What is the most common site of infection for Mycobacterium tuberculosis?
What is the most common site of infection for Mycobacterium tuberculosis?
Which group of individuals in the US is mostly associated with cases of reactivation tuberculosis?
Which group of individuals in the US is mostly associated with cases of reactivation tuberculosis?
What is the reason why cultures of clinical specimens for M.tuberculosis must be held for 6 to 8 weeks before being recorded as negative?
What is the reason why cultures of clinical specimens for M.tuberculosis must be held for 6 to 8 weeks before being recorded as negative?
Why are dyes like malachite green included in the media used for culturing Mycobacteria?
Why are dyes like malachite green included in the media used for culturing Mycobacteria?
Which specific fatty acids in the cell wall of M.tuberculosis contribute to its acid-fast property?
Which specific fatty acids in the cell wall of M.tuberculosis contribute to its acid-fast property?
What is the correlation between Cord factor (trehalose dimycolate) and the virulence of Mycobacteria?
What is the correlation between Cord factor (trehalose dimycolate) and the virulence of Mycobacteria?
Which lipid located in the bacterial cell wall of Mycobacteria is essential for pathogenesis in the lung?
Which lipid located in the bacterial cell wall of Mycobacteria is essential for pathogenesis in the lung?
Why does NaOH destroy unwanted bacteria, human cells, and mucus but not Mycobacteria?
Why does NaOH destroy unwanted bacteria, human cells, and mucus but not Mycobacteria?
What are the main symptoms of pulmonary TB?
What are the main symptoms of pulmonary TB?
Which region is most commonly involved in gastrointestinal TB?
Which region is most commonly involved in gastrointestinal TB?
What is a characteristic chest X-ray finding in reactivation TB of the lung?
What is a characteristic chest X-ray finding in reactivation TB of the lung?
Which symptom is characteristic of oropharyngeal TB?
Which symptom is characteristic of oropharyngeal TB?
What is a common manifestation of renal tuberculosis?
What is a common manifestation of renal tuberculosis?
What is Mycobacteria Miliary TB characterized by?
What is Mycobacteria Miliary TB characterized by?
What is the main determinant of whether overt tuberculosis disease occurs?
What is the main determinant of whether overt tuberculosis disease occurs?
Which staining method is commonly used for rapid screening purposes to detect M.tuberculosis?
Which staining method is commonly used for rapid screening purposes to detect M.tuberculosis?
What type of infections are most M.tuberculosis infections initially?
What type of infections are most M.tuberculosis infections initially?
Which enzyme isolated from fireflies is used in the luciferase assay to detect drug-resistant organisms?
Which enzyme isolated from fireflies is used in the luciferase assay to detect drug-resistant organisms?
What percentage of 'smear-negative' samples are found to be 'culture-positive'?
What percentage of 'smear-negative' samples are found to be 'culture-positive'?
Why is multidrug therapy used during tuberculosis treatment?
Why is multidrug therapy used during tuberculosis treatment?
