Tuber Flashcards
What is the infectious disease caused by Mycobacterium tuberculosis?
Tuberculosis
Tuberculosis primarily affects the lungs but can also involve other organs.
What is the primary form of tuberculosis?
Pulmonary tuberculosis
This form primarily affects the lungs.
List some other tissues that tuberculosis can affect.
- Intestine
- Meninges
- Bones and joints
- Lymph glands
- Skin
- Other tissues
Tuberculosis can affect various tissues beyond the lungs.
What type of bacillus is Mycobacterium tuberculosis?
Acid fast, aerobic, non motile, non capsulated, non sporing
Other atypical mycobacteria include M. Kansaii, M. scrofulaceum, and M. Fortuitum.
What is the most common source of tuberculosis infection?
Human source
Bovine sources are also a potential source of infection.
How many persons, on average, contract tuberculosis from one case of infectious pulmonary TB?
10-15 persons
This statistic highlights the contagious nature of the disease.
True or False: Patients with untreated tuberculosis remain infective.
True
Patients can remain infectious until they receive effective treatment.
How much does infectivity reduce within 48 hours of effective anti-microbial treatment?
90%
This significant reduction emphasizes the importance of prompt treatment.
What age group is most affected by tuberculosis?
All ages
Tuberculosis is more prevalent in males than in females.
Is tuberculosis a hereditary disease?
No
However, inherited susceptibility can be an important risk factor.
What nutritional factors are associated with an increased risk of tuberculosis?
- Malnutrition
- Low body mass index
- Vitamin D deficiency
These factors compromise the immune system and increase susceptibility.
How is immunity to tuberculosis acquired?
Through natural infection or BCG vaccination
BCG vaccination is a common preventive measure.
List some social factors contributing to the spread of tuberculosis.
- Poor quality of life
- Poor housing
- Overcrowding
- Smoking
- Alcohol abuse
- Lack of education
- Lack of awareness of causes of illness
These factors can exacerbate the spread of TB.
What is the main mode of transmission for tuberculosis?
Droplet infection and droplet nuclei
This transmission occurs from sputum positive patients with pulmonary tuberculosis.
How long of effective treatment is required to convert an infectious case to a non-infectious case?
2 weeks
Effective treatment is crucial for controlling transmission.