Lecture 6 Flashcards
What are the two types of mycobacterium
Mycobacterium tuberculosis
Mycobacterium leprae
What kind of bacteria is resistant to gram stain and disinfectants
Mycobacteria
Why is mycobacteria unable to undergo gram stain
Because of it’s waxy coat
Why is mycobacteria resistant to disinfectants
Because of its waxy coat
What staining technique must be used on mycobacteria
Ziehl-Neelsen
What bacteria requires the Ziehl-Neelson staining technique
Mycobacteria
How long does it take to see colonies on a plate with mycobacterium tuberculosis
4-6 weeks
What oxygen requirements does mycobacterium tuberculosis have
Obligate aerobe
mycobacterium tuberculosis is a _______ ________ parasite
Facultative intracellular
What should you use for the first line of diagnosis for mycobacterium tuberculosis
Microscopy of sputum spmears
Where is tuberculin solution injected to chekc for immunity for TB
Intradermally
What is the name of the tuberculosis test
Mantoux test
What bacteria causes leprosy
Mycobacterium leprae
What are the two forms of leprosy
Tuberculoid leprosy
Lepromatous leprosy
Name the disease:
Visible nerve enlargement
Few bacilli in infected tissue
Low infectivity
Tuberculoid leprosy
Name the disease:
Lots of erythromatous nodules
Lots of bacilli in infected tissue
High infectivity
lepromatous leprosy
What are the two forms of spirochetes
Treponema pallidum
Borrelia Burgdorferi
What does treponema pallidum cause
Syphillus
What does borrelia burgdorferi cause
Lyme disease
What insects carry borrelia burgdorferi
Ticks
What form of microscopy should be used to see treponema pallidum
Dark field microscopy
Is treponema pallidum gram positive or negative
Negative