Kuby Immunology exam 1 Test Bank (1-5)| Complete questions with 100% Correct answers| Latest Update 2026/2027

Kuby Immunology exam 1 Test Bank (1-5)| Complete questions with 100% Correct answers| Latest Update 2026/2027 Macrophages recognize target cells using which of the following? MHC class I molecules Toll-like receptors Antigen-specific receptors Killer cell inhibitory receptors Toll-like receptors Which white cell in the peripheral blood migrates into tissue to become a macrophage? Eosinophil Basophil Neutrophil Monocyte Monocyte The purpose of negative selection of B cells is to: eliminate B cells that don't express mu. prevent activation of B cells in the bone marrow. direct more B cells to become plasma cells. eliminate B cells that are specific for self-antigens. eliminate B cells that are specific for self-antigens. A substance that is too small to stimulate antibody production by itself unless it is attached to a larger carrier molecule is called: an autoantigen. a cross-reacting antigen. a hapten. an alloantigen. a hapten. A Fab fragment consists of: two heavy chains. two light chains. one light chain and one-half of a heavy chain. one light chain and an entire heavy chain. one light chain and one-half of a heavy chain. For diapedesis to occur: CD16 receptors must be bound. microbes must be phagocytized. endothelial cells must contract. NADPH must be activated. endothelial cells must contract. Which of the following cells that participate in cell-mediated immunity are antigen specific and directly cytotoxic for target cells? Macrophages Th1 cells Cytotoxic T cells Natural killer cells Cytotoxic T cells The theory that lymphocytes are preprogrammed to respond to a particular type of antigen best describes: