题目内容

Which form of IgM is MOST readily recognized by C1q? ()

A. Monomeric IgM
B. Planar pentameric IgM
C. “Staple-form” pentameric IgM
D. Any form of IgM
E. Membrane IgM

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The cells that display peptides associated with class II MHC molecules to CD4+ the cells are called antigen presentation cells. In the following cells, ____ are the non -professional antigen presenting cells?

A. Macrophages
B. Dendritic cells
C. Fibroblasts
D. B lymphocytes

____ is important for the expression of MHC I on the cell membrane?

A. Interferons
B. β2-microglobin
C. Lymphokines
D. Interleukins

Which of the following statements correctly describes the exogenous pathway of antigen processing? ____

A. Enables the activation of CD4+ T cells
B. Generates antigens from cytoplasmic pathogens
C. Involves the generation of peptides by proteasome activity
D. Requires the action of Transporter associated with antigen processing (TAP) to mobilise small cytosolic peptides into the ER lumen

Which of the following is NOT a human MHC gene? ____

A
B. C
C. DP
DR
E. K

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