Podcast
Questions and Answers
Which of the following best defines an antigen?
Which of the following best defines an antigen?
- A protein secreted by plasma cells in response to an infection
- A molecule that breaks down antigen fragments in the host cell
- A small, accessible region of an antibody to which an antigen receptor binds
- Any substance that induces a B or T cell response found on viruses, bacteria, tumors, and normal cells of the body (correct)
What is the primary function of an antibody?
What is the primary function of an antibody?
- To induce cell proliferation in response to an infection
- To recognize a small, accessible region of an antigen
- To bind to the Major Histocompatibility Complex (MHC) molecule on the host cell surface
- To serve as the soluble form of the antigen receptor (correct)
What is the process by which T cells bind to both the antigen fragment and the MHC molecule on the cell surface?
What is the process by which T cells bind to both the antigen fragment and the MHC molecule on the cell surface?
- Antigen Presentation (correct)
- Antigen Recognition
- Immunoglobulin Binding
- Pathogen Infectivity
What characteristic of adaptive immunity refers to the lack of reactivity against an animal’s molecules and cells?
What characteristic of adaptive immunity refers to the lack of reactivity against an animal’s molecules and cells?
In antigen recognition by B cells, what does the B cell secrete after binding to the epitope of an antigen?
In antigen recognition by B cells, what does the B cell secrete after binding to the epitope of an antigen?
Which type of immunity relies on the pathogen-specific recognition ability of lymphocytes?
Which type of immunity relies on the pathogen-specific recognition ability of lymphocytes?
Where are B cells produced and matured?
Where are B cells produced and matured?
What is the main function of killer T cells?
What is the main function of killer T cells?
Where are naive T cells activated by binding to a foreign peptide bound to a class II MHC protein?
Where are naive T cells activated by binding to a foreign peptide bound to a class II MHC protein?
Which type of immunity is mediated by antibodies produced by B cells?
Which type of immunity is mediated by antibodies produced by B cells?
