Skin flora provide a barrier, protecting the body from infection by bacteria. Which of the following also act as barriers, protecting the body from infection by bacteria? (1)
A.
antigens and stomach acid
B.
antigens and interferon
C.
interferon and skin
D.
skin and stomach acid
Exam No：wbi14-01-que-20240112 Year：2024 Question No：1(a)
Answer:
D
Knowledge points:
CH6 – Microbiology, Immunity and Forensics
Solution:
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