New bacteria are identified in the large intestines of a healthy person.Are the bacteria likely to be a human pathogen?
A) Yes, any bacteria found within the human body are a human pathogen.
B) Yes, only pathogenic bacteria can survive in the human digestive tract.
C) No, most bacteria are harmless to humans.
D) No, pathogenic bacteria cannot survive in the human digestive tract.

Question

Quizplus · Accepted Answer

Most bacteria do not cause harm to humans and can even be beneficial. Therefore, the mere discovery of new bacteria in the large intestine of a healthy person does not automatically imply that they are human pathogens.

New Bacteria Are Identified in the Large Intestines of a Healthy