Characteristics that strongly indicate the presence of pigmented Prevotella or Porphyromonas in a clinical specimen include:
A)yellow-green fluorescence.
B)rhizoid margins resembling a "Medusa head" on anaerobic blood agar.
C)brick-red fluorescence under long-wavelength ultraviolet (UV)light.
D)chartreuse fluorescens.

Question

Quizplus · Accepted Answer

Characteristics of anaerobes may sometimes be evident in the specimens that contain the organisms.Characteristics that strongly indicate the presence of anaerobes include a foul odor;sulfur granules associated with Actinomyces spp. ,Propionibacterium spp. ,or Eubacterium nodatum;and brick-red fluorescence under long-wavelength UV light associated with pigmented Prevotella or Porphyromonas.

Characteristics That Strongly Indicate the Presence of Pigmented Prevotella or Porphyromonas