Complement is activated by
A) an immune antibody.
B) phagocytes.
C) antigen-antibody complexes.
D) natural antibodies.
E) all of the above.
Correct Answer:
Verified
Q23: An autoimmune disease represents a loss of
A)T
Q24: Which class of antibody is indicative of
Q25: A person who has recovered from an
Q26: Toxoids are
A)antibodies against toxins.
B)lipopolysaccharides of Gram-negative bacteria.
C)proteins
Q27: An attenuated vaccine consists of
A)killed microorganisms.
B)live microorganisms.
C)inactivated
Q29: The type of T cells that kill
Q30: A positive tuberculin skin test usually indicates
Q31: Which of the following is a secondary
Q32: The role of opsonins in the human
Q33: An example of an autoimmune disease is
A)hay
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