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5 Written Questions

5 Matching Questions

  1. granuloma
  2. fish tank
  3. TB
  4. carbons
  5. mycobacteria
  1. a ... can be diagnosed
    1. clinical scenario: presentation, x-ray/CT
    2. skin test or IGRA of ill person and family
    3. chest x-ray-- sometimes positive without clinical presentation
    4. acid fast stain (not very sensitive) or culture (also slow to grow
    5. nucleic acid based tests (PCR)** most common
  2. b M. marinum is known as the ... granuloma, that grows slowly at 37 C, and is present on water and on water animals, and are slowly progressing non-healing papulonodules that are mildly tender
  3. c the mycolic acid lipis in mycobacteria cell walls have 70 to 90 ... while our human lipid membranes usually have 16 or so ....
  4. d mycobacteria during their infectious process induces .... formation due to lipid content in cell wall
  5. e ... can be distinguished from other forms of bacterial infection based on growth time, temperature and morphology
    1. takes a ton of time to grow
    2. color of colonies in light and dark
    3. chemical reactions/growth conditions

5 Multiple Choice Questions

  1. the ... complex consists of
    1. ....
    2. M. bovis
    3. M. africanum
    (all three cause similar disease that we call tuberculosis)
  2. ... in the cell wall of M. tb may facilitate the fact that lysosome of macrophage does not fuse to phagosome, due to selectively fusogenic nature of microbe, which can survive on host lipids
  3. ... are bacteria with a rod shape
  4. ... is a type of mycobacteria that can be found in fish tanks and swimming pools
  5. .... are non-motile, non-spore forming bacteria

5 True/False Questions

  1. sensitiveif a person has a positve PPD or IGRA, and any abnormal exam findings, history or chest x-ray, could have an ... case of TB and could be contagious


  2. B cells... as well as humans are a reservoir for M. bovis


  3. middlepeople with ... of the road immune response to infection with M. leprae, seem to contain/resolve the infection without symptoms


  4. Mycobacteria... are aerobic rod-shaped bacteria that are acid fast


  5. T cells... are bacteria with a rod shape


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