Gram (-) Bacteria - Mycobacterium and Bacteria without cell walls Flashcards
(34 cards)
What type of bacteria is Mycobacterium?
Acid Fast Bacilli
What on the wall of Mycobacterium retains stain?
Wax
2 Mycobacterium?
Mycobacterium Tuberculosis
Mycobacterium Leprae
2 Mycobacterium?
Mycobacterium Tuberculosis
Mycobacterium Leprae
What cells take up Mycobacterium Tuberculosis?
Alveolar Macrophages
For Mycobacterium Tuberculosis, what does cell mediated immunity response cause?
Necrotizing granulomata
Cord factor of Mycobacterium Tuberculosis?
TNF
What allows survival of Mycobacterium Tuberculosis in macrophages?
Sulfatides
Where does Mycobacterium Tuberculosis begin and how?
Lung - aerosolized transmission
Symptoms of Primary Tuberculosis?
Fever, chest pain, hilar lymphadenopathy
Wall off with a Ghon complex to cause necrotizing granulomas is seen with?
Primary Tuberculosis
What usually causes Secondary Tuberculosis?
Reactivation of latent infection
Symptoms of Secondary Tuberculosis?
Insidious onset: Fever, night sweats, hemoptysis(coughing up blood!)
Poorly walled cavitary lesion in upper lungs
Poorly walled cavitary lesion in the upper lungs is seen with?
Secondary Tuberculosis
Secondary Tuberculosis spreads through arteries
Miliary Tuberculosis
Miliary Tuberculosis
Secondary Tb spreads through arteries
= Lesions on other organs
Secondary Tuberculosis of vertebral involvement?
Pott’s Disease
Pott’s Disease
Secondary Tb vertebral involvement
2 screening tests for Tuberculosis?
Tb skin test
IFN-gamma release assay
Mycobacterium Leprae has ____ transmissibility
LOW
What carries Mycobacterium Leprae?
Armadillos
Mycobacterium Leprae grows at ____ temperatures
Cooler
2 types of Mycobacterium Leprae?
Tuberculoid Leprosy
Lepromatous Leprosy
Tuberculoid Leprosy has a ____ cell mediated response
STRONG