Tuberculosis Flashcards
Define Tuberculosis
A GRANULOMUS bacterial infection that is spread through inhaling lung droplets from the coughs or sneezes of an infected person.
By how much is tuberculosis death falling every year
2%
What Bacteria causes Tuberculosis
Myobacterium Tuberculosis (most common)
Myobacterium Africanum
Myobacterium Bovis
Non tuberculous mybacteria (NTM)
Leprosy
What features of Tuberculosis causing bacteria makes the disease difficult to treat quickly
Slow moving
Very thick fatty cell wall
Is tuberculosis usually found basally or at the apex (and why)
Apex because the bacteria are aerobic
How is tuberculosis spread
Air born
How is tuberculosis not spread
Food contamination
Hands
Surfaces
Kissing
How is Bovine tuberculosis spread
Unpasteurised Milk
What immune response does tuberculosis trigger
T-cell mediated response
What damage can the T cell immune response to tuberculosis do to the body
Cause cell damage/cavitation
What accumulate to form langhan’s giant cells and what is the accumulation called
Macrophages
Granuloma
What can the destroyed lung tissue undergo during tuberculosis infection
Central caseating necrosis
What is Central caseating necrosis
Condition of cellular death when the lung cells die and begin to take on a crumbly, dull, white appearance that resembles CHEEESSSEEEEEE
What are the three general outcomes of tuberculosis
Cleared/cured
Contained/latent
Progressive disease
What percentage of people get cleared/cured from tuberculosis
85%