All the Following Organisms are Found in the GI Tract

Question

All the following organisms are found in the GI tract, except
A) Bacteroides.
B) Clostridium.
C) Propionibacterium.
D) Bifidobacterium.

Accepted Answer

Propionibacterium is not typically found in the GI tract, but rather on the skin. Bacteroides, Clostridium, and Bifidobacterium are all commonly found in the GI tract.