Gram (-) Bacteria - Mycobacterium and Bacteria without cell walls Flashcards
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
Lepromatous Leprosy has ____ cell mediated response
NO
Symptoms of Tuberculoid Leprosy?
Localized skin lesions
Granulomatous inflammation
Loss of nerve sensation
Symptoms of Lepromatous Leprosy?
Skin lesions all over body
Loss of digits and involvement of organs
What are 3 bacteria without cell walls?
Mycoplasma Pneumoniae
Mycoplasma Genitalium
Ureaplasma Urealyticum
What are 3 bacteria without cell walls?
Mycoplasma Pneumoniae
Mycoplasma Genitalium
Ureaplasma Urealyticum
What does Mycoplasma Pneumoniae cause?
Walking and Atypical Pneumonia
Erythema Multiforme
Erythema Multiforme
- Seen with Mycoplasma Pneumoniae
= Multiple target lesions
Diagnostic test for Mycoplasma Pneumoniae?
Cold Agglutinins
What does Mycoplasma Genitalium and Ureaplasma Urealyticum cause?
Urethritis
What bacteria without cell walls cause urethritis?
Mycoplasma Genitalium
Ureaplasma Urealyticum