Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
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