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20 Cards in this Set

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  • Back
What antibody is the primary one produced when an antigen is taken up by an M cell?
IgA; essential for mucosal immunity
Which T cell type is generally involved when a B cell reacts with an antigen and produces antibodies against the antigen?
T Cytotoxic: recognizes endogenous antigens on the target's cell surface that are combined w/ MHC
Which is the T cell type that is generally involved in allergic reactions?
T helper cells: interact with an antigen before B cells interact with the antigen; specifically TH2 cells, produce IgE antibodies
What is another name for apoptosis, one that describes its function?
Programmed cell death; cells cut genome into fragments; induced by Granzymes
T-Regulatory Cells
Lymphocytes that appear to suppress other T cells
Are dendritic cells considered primarily part of the humoral or the cellular immune system?
Cellular immunity; engulf microbes and transfer them to lymph nodes for display to T-cells (Antigen Presenting Cell)
How does the natural killer cell respond if the target cell does not have MHC class I molecules on its surface?
It kills the cell by causing pores to form in it.
What makes a natural killer cell, which is not immunologically specific, attack a particular target cell?
If the target cell does not present MHC (major histocompatibility complex)
What is the function of cytokines?
Small proteins that are chemical messengers that mediate the communication between different cells; regulate immune response
What antibody is the primary one produced when an antigen is taken up by an M cell?
IgA; essential for mucosal immunity
Which T cell type is generally involved when a B cell reacts with an antigen and produces antibodies against the antigen?
T Cytotoxic: recognizes endogenous antigens on the target's cell surface that are combined w/ MHC
Which is the T cell type that is generally involved in allergic reactions?
T helper cells: interact with an antigen before B cells interact with the antigen; specifically TH2 cells, produce IgE antibodies
What is another name for apoptosis, one that describes its function?
Programmed cell death; cells cut genome into fragments; induced by Granzymes
T-Regulatory Cells
Lymphocytes that appear to suppress other T cells
Are dendritic cells considered primarily part of the humoral or the cellular immune system?
Cellular immunity; engulf microbes and transfer them to lymph nodes for display to T-cells (Antigen Presenting Cell)
How does the natural killer cell respond if the target cell does not have MHC class I molecules on its surface?
It kills the cell by causing pores to form in it.
What makes a natural killer cell, which is not immunologically specific, attack a particular target cell?
If the target cell does not present MHC (major histocompatibility complex)
What is the function of cytokines?
Small proteins that are chemical messengers that mediate the communication between different cells; regulate immune response
Is the anamnestic response primary or secondary?
Secondary: a rapid rise in antibody titer following exposure to an antigen after the primary response
What type of adaptive immunity is involved when gamma globulin is injected into a person?
Artificially acquired, passive immunity: injection of antibodies, rather than antigens, into body