ID: Mycoplasma and Mycobaterial infections Flashcards Preview

Unit 6: Pathology > ID: Mycoplasma and Mycobaterial infections > Flashcards

Flashcards in ID: Mycoplasma and Mycobaterial infections Deck (14):
1

what agent causes atypical pneumonia

M. pneumonia

2

what does it mean that mycobacteria is acid fast (in regards to staining)

it retains the carbofushsin stain after rinsing with alc

3

primary infection with TB is what type of hypersensitivity reaction

type IV

4

what makes up a ghon complex

a ghon focus in combo with infected mediastinal or hilar lymph nodes

5

anergic patients with little or no resistance will develop what type of leprosy

laepromatous leprosy

6

hypergic patients with a high resistance will develop which type of leprosy

tuberculoid leprosy

7

what does M. avium and M. intracellulare cause in immunocompetetant people

rare slowly progressive granulomatous pulmonary disease (looks like TB but progresses even more slowly)

8

what does M. avium and M. intracellulare cause in immunosuppressed people (AIDs)

progressive systemic disease

9

what disease does M. scrofulaceum cause

cervical lymphadenitis in children

10

what disaese does M. marinum cause?

hand infection in aquarium handlers

11

what does mycobacteria cord factor do

inhibits macrophage maturation and induce release of TNF-a

12

what does mycobacteria sulfatides (suface glycolipids)do?

inhibit phagolysosomal fusion

13

what type of immunity is raised against lepromatous leprosy

low cell mediated immunity and a humoral TH2 reponse

14

what type of immunity is raised against tuberculoid leprosy

high cell mediated immunity with TH1 immune response