Multiple Choice
The normal human microbiota is considered part of the 1st line of defense because
A) microbial antagonism keeps potential pathogens in check.
B) microbiota cause an inflammatory response, eliminating pathogens.
C) pathogens and normal biota cannot exist in the same location.
D) resident bacterial cells stimulate phagocytosis of pathogens.
Correct Answer:

Verified
Correct Answer:
Verified
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