Normal Microbiota in the Duodenum Is

Question

Normal microbiota in the duodenum is
A) similar to the microbiota in the stomach.
B) dominated by aerobic organisms.
C) tolerant to highly alkaline environments.
D) tolerant to high salinity.

Accepted Answer

The duodenum's microbiota is similar to that of the stomach because both are parts of the upper gastrointestinal tract, where the environment is acidic and not conducive to a diverse microbial population.