Which of the Following is True About the Role Normal

Question

Which of the following is true about the role normal flora plays in maintaining host health?
A)They provide a surface that is incompatible for attachment of an invader.
B)They establish competition for nutrients and vitamins.
C)They produce antimicrobial substances.
D)They stimulate the immune system.
E)All of the choices are true.

Accepted Answer

The normal flora plays multiple roles in maintaining host health, including providing a surface that is incompatible for attachment of an invader, establishing competition for nutrients and vitamins, producing antimicrobial substances, and stimulating the immune system. Therefore, all of the choices are true.