The Four Major Groups of Anaerobic Gram-Negative Bacilli Include All

Question

The four major groups of anaerobic gram-negative bacilli include all the following, except
A) Bacteroides fragilis.
B) Porphyromonas.
C) Prevotella.
D) Mobiluncus.

Accepted Answer

The four major groups of anaerobic gram-negative bacilli include Bacteroides fragilis, Porphyromonas, Prevotella, and Fusobacterium. Mobiluncus is not included in this classification as it is a gram-variable bacillus and not strictly considered a member of the anaerobic gram-negative bacilli group.