What antibacterial chemical is present in tear fluid?
A) antibodies
B) complement
C) defensins
D) lysozyme
E) interferon
Correct Answer:
Verified
Q11: Which of the following leukocytes are called
Q12: Which of the following areas of the
Q13: Mannose sugar occurs on the surface of
Q14: The second line of defense against invading
Q15: Which of the following statements regarding the
Q17: Which of the following are phagocytic cells
Q18: Mucous membranes are quite thin and fragile.
Q19: The first and second lines of defense
Q20: Which of the following cells increase in
Q21: Alpha and beta interferons
A) help protect virus-infected
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