Podcast
Questions and Answers
Which type of T cells release IL-2, IL-4, and interferon-gamma?
Which type of T cells release IL-2, IL-4, and interferon-gamma?
- Suppressor T cells (CD8)
- Cytotoxic T cells (CD8)
- Natural killer cells
- Helper T cells (CD4) (correct)
What is the main function of IL-4 released by helper T cells?
What is the main function of IL-4 released by helper T cells?
- Stimulates cytotoxic T cells
- Activates macrophages
- Recognizes and attacks non–self-antigens
- Causes B-cell maturation into plasma cells (correct)
Which type of T cells recognize and attack non–self-antigens attached to MHC class I receptors?
Which type of T cells recognize and attack non–self-antigens attached to MHC class I receptors?
- Natural killer cells
- Helper T cells (CD4)
- Suppressor T cells (CD8)
- Cytotoxic T cells (CD8) (correct)
Which cells are involved in delayed-type hypersensitivity and bring in inflammatory cells by chemokine secretion?
Which cells are involved in delayed-type hypersensitivity and bring in inflammatory cells by chemokine secretion?
What is the main effector cell in cell-mediated immunity?
What is the main effector cell in cell-mediated immunity?
What is the main infection associated with defects in cell-mediated immunity?
What is the main infection associated with defects in cell-mediated immunity?
Which cytokine stimulates B cells to become plasma cells?
Which cytokine stimulates B cells to become plasma cells?
Which immunoglobulin is secreted with reinfection?
Which immunoglobulin is secreted with reinfection?
What is the main function of suppressor T cells (CD8)?
What is the main function of suppressor T cells (CD8)?
What is the purpose of an intradermal skin test (e.g. TB skin test)?
What is the purpose of an intradermal skin test (e.g. TB skin test)?
Which type of hypersensitivity reaction involves IgE receptors on mast cells and basophils?
Which type of hypersensitivity reaction involves IgE receptors on mast cells and basophils?
What is the most abundant antibody in the body responsible for the secondary immune response?
What is the most abundant antibody in the body responsible for the secondary immune response?
Which antibody is found in secretions, in Peyer’s patches in the gut, and in breast milk?
Which antibody is found in secretions, in Peyer’s patches in the gut, and in breast milk?
Which antibody is responsible for initial antibody secretion after exposure to an antigen (primary immune response)?
Which antibody is responsible for initial antibody secretion after exposure to an antigen (primary immune response)?
Which cells recognize cells that lack self-MHC and are part of the body’s natural immunosurveillance for cancer?
Which cells recognize cells that lack self-MHC and are part of the body’s natural immunosurveillance for cancer?
In T-cell and B-cell activation, what provides the costimulatory signal required after alloantigen binds to antigen-specific receptors?
In T-cell and B-cell activation, what provides the costimulatory signal required after alloantigen binds to antigen-specific receptors?
Which type of infection leads to endocytosis of proteins, which get bound to class II MHC molecules and are recognized by CD4 helper T cells?
Which type of infection leads to endocytosis of proteins, which get bound to class II MHC molecules and are recognized by CD4 helper T cells?
