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Questions and Answers
Which cytokine directs the migration of leukocytes through the body?
Which cytokine directs the migration of leukocytes through the body?
- Chemokine family
- IL-1 family
- IL-17
- IFN family (correct)
Which family of cytokines prevent virally infected cells from replicating and from making new viral particles?
Which family of cytokines prevent virally infected cells from replicating and from making new viral particles?
- Chemokine family
- Hematopoietin family
- IFN family (correct)
- IL-1 family
Endogenous antigen could bind to ____ to stimulate ____ T cells.
Endogenous antigen could bind to ____ to stimulate ____ T cells.
- MHCH, CD8+ (correct)
- MHC-1, CD4+
- MHC-III CD4+
- MHC-II, CD4+
Exogenous antigen could bind to ____ to stimulate ____ T cells.
Exogenous antigen could bind to ____ to stimulate ____ T cells.
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Transplantation antigen is:
Transplantation antigen is:
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CD means:
CD means:
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The CD molecule also named HIV receptor is:
The CD molecule also named HIV receptor is:
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Ankylosing spondylitis is associated with:
Ankylosing spondylitis is associated with:
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The term 'MHC restriction' refers to the:
The term 'MHC restriction' refers to the:
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Study Notes
Cytokines and Immunology
- IFN (Interferon) family of cytokines prevents virally infected cells from replicating and making new viral particles.
- Chemokines direct the migration of leukocytes through the body.
Antigen Presentation
- Exogenous antigen binds to MHC-1 to stimulate CD8+ T cells.
- Endogenous antigen binds to MHC-1 to stimulate CD8+ T cells.
- MHC-II binds to CD4+ T cells.
Transplantation Antigen
- HLA (Human Leukocyte Antigen) is the transplantation antigen.
CD Molecules
- CD stands for Cluster of Differentiation.
- CD4 is also a receptor for HIV.
- CD molecules are used to identify and classify cell surface molecules on leukocytes.
Immunological Diseases
- Ankylosing spondylitis is associated with HLA B27.
- Note: There is a mistake in the question, it should be HLA B27, not HLA A27.
MHC Restriction
- MHC restriction refers to the requirement for antigen to be recognized in association with MHC molecules.
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