The most likely identification of an anaerobic gram-negative bacilli that will fluoresce brick red ...

The most likely identification of an anaerobic gram-negative bacilli that will fluoresce brick red or has a brown-to-black-pigment is:
 
  a. nonpigmented Prevotella.
  b. Porphyromonas spp.
  c. B. fragilis group.
  d. Fusobacterium spp.

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The most likely identification of a bile-resistant, kanamycin-resistant, colistin-resistant, and vancomycin-resistant anaerobic gram-negative bacilli is:
 
  a. nonpigmented Prevotella.
  b. Porphyromonas spp.
  c. B. fragilis group.
  d. Fusobacterium spp.

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The most likely identification of a bile-sensitive, kanamycin-resistant, catalase-negative, and indole-negative anaerobic gram-negative bacilli is:
 
  a. nonpigmented Prevotella.
  b. Porphyromonas spp.
  c. Bacteroides fragilis group.
  d. pigmented Prevotella.

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H. ducreyi requires what special media to grow?
 
  a. Heart infusionbased agar, supplemented with 10 IsoVitaleX and vancomycin
  b. Mueller-Hintonbased chocolate agar, supplemented with 1 IsoVitaleX and vancomycin
  c. Heart infusionbased chocolate agar, sup-plemented with 10 fetal bovine serum and vancomycin
  d. Mueller-Hintonbased agar, supplemented with 10 IsoVitaleX and vancomycin

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A diabetic patient has developed gas gangrene of the right foot. The most likely anaerobe causing this infection is:
 
  a. Clostridium tetani.
  b. Clostridium perfringens.
  c. Clostridium botulinum.
  d. Clostridium difficile.