Which genus is resident flora of the mouth, large intestine, and, from puberty to menopause, the vagina?

Question

Quizplus · Accepted Answer

Lactobacillus is the genus that is known to be the resident flora of the mouth, large intestine, and the vagina (during the reproductive years). Streptococcus is also present in the mouth, but it is not exclusive to these three areas. Haemophilus is commonly found in the upper respiratory tract, and Escherichia is found in the intestine (but not exclusive to the large intestine). Mycobacterium is not typically found in these areas.

Which Genus Is Resident Flora of the Mouth, Large Intestine