Multiple Choice
Microorganisms that typically live on human sur¬faces,including the interior tubes and cavities of the digestive and respiratory tracts,are called ____________.
A) normal flora
B) acne
C) biofilm
D) commensal organisms
E) parasitic organisms
Correct Answer:

Verified
Correct Answer:
Verified
Q61: An Rh+ molecule in the body of
Q62: Match each term with the most appropriate
Q63: _ immunity specifically targets billions of different
Q64: In an antibody-mediated immune response,which cells produce
Q65: Most microorganisms that get swallowed are killed
Q67: An antigen-bearing pathogen that breaches normal flora
Q68: Match each term with the most appropriate
Q69: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2278/.jpg" alt=" Figure 37.9A
Q70: Match each term with the most appropriate
Q71: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2278/.jpg" alt=" Figure 37.12