What is the function of normal biota of the respiratory tract?

Question

Quizplus · Accepted Answer

The normal biota of the respiratory tract competes with pathogens for resources and space and engages in microbial antagonism, which refers to the ability of microorganisms to prevent the growth or establishment of other microorganisms. Therefore, options A and B are correct. Option C is not accurate as the respiratory tract biota does not provide antibodies, though the immune cells lining the respiratory tract do. Option E is not entirely true, as the normal biota of the respiratory tract does not provide antibodies.

What Is the Function of Normal Biota of the Respiratory