TB Flashcards
1
Q
What percentage of people who are infected with Tb with and without AIDS develop the disease ?
A
7-10% develop the disease in their LIFE times
AIDS patients 10% per YEAR will develop the disease
2
Q
WHo are more likely to progress to active Tb disease?
A
HIV infected and Recently infected (within the past 2 years)
3
Q
How is TB transmitted?
A
airborne
Droplet nucleus-alveolar macrophage access-regional lymph node and blood borne spread
4
Q
What does the quantiferon assay measure?
A
the amount of interferon gamma
5
Q
What tests do you do to diagnose Tb?
A
- Sputum AFB-acid fast bacillus
2. Sputum nucleic acid amplification testing (NAAT)
6
Q
How are nontuberculous mycobacteria acquired?
A
environmental pathogens that affect predisposed hosts
-not contageous
7
Q
What is a predisposing factor NTM?
A
structural lung abnormality
