Which of the following is not an enteric?Group of answer choicesEscherichiaEnterobacterSalmonellaShigellaCampylobacter

Identification of Enterics

Enterics are bacteria that typically inhabit the intestines of humans and animals. They include a variety of organisms, many of which are part of the normal flora, but some are pathogenic.

Analysis of Options

1. Escherichia: Refers to Escherichia coli, which is a common enteric bacterium.
2. Enterobacter: This refers to a group of bacteria that are also classified as enteric.
3. Salmonella: A known pathogen that lives in the intestines and is also classified as enteric.
4. Shigella: This group of bacteria is pathogenic and also considered enteric.
5. Campylobacter: This bacterium is often found in poultry and is known to cause gastrointestinal illness but is not classified under the enteric bacteria.

Conclusion

Among the provided options, Campylobacter is not considered an enteric bacterium in the classical sense, as it typically does not inhabit the gastrointestinal tract of humans as part of the normal flora like the others. Instead, it is mostly associated with infections resulting from contaminated food.

Final Answer

Campylobacter is not an enteric bacterium.