题目内容

Which component is activated earliest in alternative pathway of complement activation ()?

A. C1
B. C3
C5
D. C4
E. C2

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The humoral immunity is mediated by ()

A. T cells
B cells
C. Neutrophils
D. NK cells
E. mast cells

The place where T lymphocytes mature is ()

A. bone marrow
B. Thymus
C. bursa Fabricii
D. lymph node
E. Spleen

Which of following component is not immune molecule ()

Antibody
B. HLA
C. Antigen
D. Complement
E. Cytokine

The place where immune response to antigen in blood take place ()

Appendix
B. Tonsil
C. Bursa Fabricii
D. Lymph node
E. Spleen