[A] 1.60 Factors influencing the character of tuberculosis Flashcards
1
Q
Give the three forms of TB
A
- Proliferative
- Exudative
- Tubercle
2
Q
The form of TB is dependent on…
A
- Sepcies of the host
- Bacillus (sensitivity of host → host specificity of the microorganism)
3
Q
A
M. tuberculosis: P
M. bovis: P, E, T
M. avium: P
4
Q
A
M. tuberculosis: T
M. bovis: T
M. avium: P
5
Q
A
M. tuberculosis: P
M. bovis: P
M. avium: P
6
Q
A
M. tuberculosis: P
M. bovis: P
M. avium: P
7
Q
A
M. tuberculosis: -
M. bovis: -
M. avium: T
13
Q
Factors influencing the character of TB
A
- Characteristics of the infected tissues
- Individual, innate, nonspecific reactivity of the host
- Amount of bacteria
14
Q
Factors influencing the character of TB: Characteristics of the infected tissue
A
- Lungs: Very sensitive, usually tubercle
- Skin & skeletal muscle: Rare
- Thyroid gland, parotis: Never
- Udder: Rare, proliferative
- Pharynx, forestomachs, pericardium: Proliferative
15
Q
Factors influencing the character of TB: Individual, innate, non-specific reactivity of the host
A
- Sensitive animals - Exudative
- Animals bearing good reactivity - Proliferative (AIDS patients)
16
Q
Factors influencing the character of TB: Amounts of bacteria
A
- Large amounts of bacteria - Exudative
- Less bacteria - Proliferative
