Question

Normal flora do not usually cause disease when they reside in their usual area of the body. Normal flora exist in large numbers in the large intestine without causing any illness. These flora maintain a sensitive balance with other microorganisms to prevent infection. A person normally excretes trillions of microbes daily through the intestines

a. true
b. false

Answer 1

Yes, the statement is true. Trillions of microbes are excreted daily through the intestines.

Step-by-step explanation:

The statement that a person normally excretes trillions of microbes daily through the intestines is true.

Our large intestine, also known as the colon, contains a diverse and abundant microbiota that is part of our normal flora. These microbes aid in digestion, contribute to the production of feces, and help maintain a sensitive balance with other microorganisms to prevent infection.

For example, E. coli, a normal member of the gut microbiota, can cause a urinary tract infection if it enters the bladder. So, the presence of normal flora in their usual area of the body, like the large intestine, does not usually cause disease.