Which of the following is a secondary immunodeficiency?
A) Severe combined immunodeficiency.
B) AIDS.
C) Selective IgA deficiency.
D) DiGeorge syndrome.
E) All of the above.
Correct Answer:
Verified
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
Q28: Complement is activated by
A)an immune antibody.
B)phagocytes.
C)antigen-antibody complexes.
D)natural
Q29: The type of T cells that kill
Q30: A positive tuberculin skin test usually indicates
Q32: The role of opsonins in the human
Q33: An example of an autoimmune disease is
A)hay
Q34: Which of the following is NOT an
Q35: Which class of antibody is the major
Q36: A nurse suffers a needlestick injury while
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