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• 10.Which immune cell form a key link between the innate immune system and the adaptive in (A)B cell
• 11. Which isotype of immunoglobulin transports across placenta? (A)IgA (B) IgD (C) IgE (D) IgG (E) I
• 12. Which isotype of immunoglobulin sensitizes NK cells? (A)IgA (B) IgD (C) IgE (D) IgG (E) IgM
• 13. Which is NOT the event of cellular immune responses? (A) Antibody-mediated cellular cytotoxicity
• 14. Which one of following features is the characteristic of class II MHC molecule? (A) Accommodates
• 15. Which one of following features is the characteristic of class II MHC pathway of antigen process
• 16. Which one of followings is a component of class II MHC pathway of antigen processing and present
• 17. Which one of the following factors is involved in negative selection of T cell development? (A)
• 18. Which one of the following properties is the outcome of both pre-BCR and pre-TCR signaling? (A)
• 19. Which one of the following defects impairs T cell development but NOT B cell development? (A) AD
• 20. Which one of the following properties is the feature of B-1 cells? (A) IL-7 dependent (B) Main s
• 21. Which one of following antigens is Tl-1 antigen? (A) Bacterial lipopolysaccharide (B) Dextran (C
• 22. Which one of following transcription factors determines the CD4 commitment in the thymus? (A) Bc
• 23. Which one of following molecules is expressed in the medulla of the thymus and facilitates negat
• 24. Which one of following receptors regulates the release of immature B cells from bone marrow into
• 25. Which one of following cell marker is B-cell specific? (A) CD3 (B) CD8 (C) CD19 (D) CD25 (E) CD4
• 26. Which is NOT one of main CD4 effector-cell subsets? (A) T helper 1 cells (B) T follicular helper
• 27. Which cytokine is notably produced by T helper 2 cells? (A) Interleukin-4 (B) Interleukin-17 (C)
• 28. Which cytokine is notably produced by T helper 1 cells? (A) Interferon-γ(B) Interleukin-4 (C) In
• 29. Which of the following statement about regulatory T cells is true? (A) Regulatory I cells is a s
• 30. Which of the following statement about innate and adaptive immune systems is NOT true? (A) In Dr
• 31. Which of the following statement is NOT true? (A) Measles is preventable by vaccination. (B) The
• 32. Which of the following statement about vaccines is NOT true? (A) The development of vaccines can
• 33. Which of the following statement is NOT true? (A) Early tumors may be recognized and destroyed b
• 34. Which of the following statement about severe combined immunodeficiency (SCID) is NOT true? (A)