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单选题 The complement cleavage product that has both chemotaxis and can stimulate mast cells to release histamine is
学科：《Pathogen Biology and Immunology》
时间：2023-06-12 02:34:15
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题目1单选题
The complement cleavage product that has both chemotaxis and can stimulate mast cells to release histamine isA. C3bB. C4bC. C4aD. C 2aE. C 5a
题目2单选题
In the classical pathway, the immunoglobulin with the strongest ability to activate complement isA. IgGB. IgEC. IgAD. IgME. IgD
题目3单选题
Complement active fragments with conditioning effects areA. C3b and C4bB. C2b and C4bC. C3b and C5bD. C3a and C3bE. C3a and C5a
题目4单选题
After binding to antigen, the Igs that can activate the classical pathway of complement areA. IgM and IgEB. IgD and IgMC. IgA and IgGD. SIgA and IgGE. IgG and IgM
题目5单选题
The highest content of complement components in normal human serum isA. C1B. C4C. C3D. C5E. C2
题目6单选题
Regarding the description of the classical activation pathway of complement, which of the following is incorrectA. Antigen antibody complex is its main activatorB. The C1q molecule has six binding sites that must be bound to Ig to activate the subsequent complement componentsC. C4 and C2 are the substrates of C1sD. The activation sequence is C1,2,3,4,5,6,7,8,9E. It is the answer that plays the latest role in the three activation pathways
题目7单选题
The fragment of complement cleavage that can assist in clearing immune complexes isA. C3aB. C3bC. C5aD. iC3bE. C3d
题目8单选题
The complement components involved in the cytolytic effect areA. C3bB. C4b2bC. C5b ~ 9D. C5b67E. C4b2b3b
题目9单选题
In the process of anti infection, the pathway in which complement functions in turn isA. Classic pathway; MBL pathway; Bypass pathwayB. Bypass pathway; Classic approach; MBL pathwayC. Bypass pathway; MBL pathway; Classical pathwayD. Classical pathway; Bypass pathway; MBL pathwayE. MBL pathway; Classic approach; Bypass
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