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• 【題組】11. Medullary epithelial cell
• 12-14. Which one of the following defects impairs (A) T cell development (B) B cell development (C)
• 【題組】13. RAG deficiency
• 【題組】14. TAP1/2 deficiency
• 15. Which one of following molecules is expressed in the medulla of the thymus and promotes the expr
• 16. Which one of following transcription factors determines the CD4 or CD8 commitment in the thymus?
• 17. Which one of following receptors regulates the release of immature B cells from bone marrow into
• 18. Which one of following strategy is NOT used by extracellular bacteria to subvert the host immune
• 19. Autoinflammatory diseases indicate the failure of normal mechanisms that limit inflammation and
• 20. The name given to a fully activated and differentiated B cell that secretes antibody is(B) antig
• 21. Which of the following statements regarding immunoglobulin light chains is correct?(A) k (kappa)
• 22. The process of_________ results in the amplification of particular B cells with specificity for
• 23. 'T cells recognize antigen when the antigen(A) is internalized by T celis via phagocytosis
• 24. If a non-professional antigen-presenting cell that lacks co-stimulatory molecules presents pepti
• 25. All of the following are correctly matched except _________.  (A) TH1: T-bet(B) Treg: FoxP3(C) I
• 26. Primary lymphoid tissues are the sites where lymphocytes________, whereas secondary lymphoid tis
• 27. Herd immunity is best described as:(A) Vaccination of livestock herds(B) Protecting individuals
• 28. Autoimmunity is thought to result from a combination of the following EXCEPT____________ (A) bre
• 29. Cross-priming of the immune response occurs when____________ . (Select all that apply.)(A) viral
• 30. The diversity of MHC class I and II genes is due to____________. (Select all that apply.)(A) gen
• 31. Which of the following cytokines is not secreted by TH2 cells? (Select all that apply.)(A) IFN-γ
• 32. Which of the following is a feature of regulatory T cells (Treg)? (Select all that apply.)(A) Tr
• 33. The process by which cytotoxic T cells kill their targets involves___________ (Select all that a
• 34. SARS-CoV2 is the causative agent of COVID-19 disease. Which of the following statement is correc
• 35. Which of the following statem ments are NOT correct? (Select all that apply.)(A) Host-pathogen i