38 Questions
Which of the following best describes the specificity of the adaptive immune system?
It can distinguish millions of different antigens
What is the lymphocyte repertoire?
The total population of B and T lymphocytes
What is a lymphocyte clone?
A group of cells with identical antigen receptors
What is the clonal selection hypothesis?
The idea that lymphocytes of a specific clone are selected and activated by an antigen
What is the diversity of the lymphocyte repertoire?
It enables the immune system to respond to a vast number and variety of antigens
What is an antigen-specific clone?
A unique lymphocyte that recognizes a single antigen and its progeny
What is immunologic memory?
The ability of the immune system to remember every encounter with antigen
What is immunological tolerance?
The ability of the immune system to coexist with potentially antigenic self molecules, cells, and tissues
What is the total number of lymphocytes that can recognize and react against any one antigen?
Approximately 1,000 to 10,000 cells
What is the clonal expansion of lymphocytes?
The marked expansion of the clone of lymphocytes specific for any antigen upon exposure to that antigen
What is the property of adaptive immunity that enables it to respond to a vast number and variety of antigens?
Lymphocyte diversity
What is the feature of adaptive immune responses that enables the immune system to remember every encounter with antigen?
Immunologic memory
What is the response to the first exposure to antigen called?
Primary response
Which of the following best describes the specificity of the adaptive immune system?
It can distinguish millions of different antigens
What is the lymphocyte repertoire?
The total population of B and T lymphocytes
What is a lymphocyte clone?
A group of cells with identical antigen receptors
What is the clonal selection hypothesis?
The idea that lymphocytes of a specific clone are selected and activated by an antigen
What is the diversity of the lymphocyte repertoire?
It enables the immune system to respond to a vast number and variety of antigens
What is an antigen-specific clone?
A unique lymphocyte that recognizes a single antigen and its progeny
What is immunologic memory?
The ability of the immune system to remember every encounter with antigen
What is immunological tolerance?
The ability of the immune system to coexist with potentially antigenic self molecules, cells, and tissues
What is the total number of lymphocytes that can recognize and react against any one antigen?
Approximately 1,000 to 10,000 cells
What is the clonal expansion of lymphocytes?
The marked expansion of the clone of lymphocytes specific for any antigen upon exposure to that antigen
What is the property of adaptive immunity that enables it to respond to a vast number and variety of antigens?
Lymphocyte diversity
What is the feature of adaptive immune responses that enables the immune system to remember every encounter with antigen?
Immunologic memory
What is the response to the first exposure to antigen called?
Primary response
Which statement accurately describes the lymphocyte repertoire?
It distinguishes millions of different antigens
What is the clonal selection hypothesis?
The development of clones of lymphocytes specific for different antigens before an encounter with these antigens
What is the total number of lymphocytes that can recognize and react against any one antigen?
Approximately 1,000 to 10,000 cells
What is the molecular basis for the diversity of lymphocytes?
The process of clonal deletion
What is immunological memory?
The ability of the immune system to remember every encounter with antigen
What is immunological tolerance?
The ability of the immune system to coexist with potentially antigenic self molecules, cells, and tissues
What is the effectiveness of immune responses attributable to?
The selection and preservation of the most potent lymphocytes
What is the lymphocyte repertoire?
A collection of lymphocytes with diverse antigen receptors
What is the total population of B and T lymphocytes composed of?
Different clones of cells expressing different antigen receptors
What is clonal deletion?
The process of eliminating lymphocytes that recognize self antigens
What is the response to the first exposure to antigen called?
Primary immune response
What is the ability of the immune system to react against a vast number and variety of microbes and other foreign antigens called?
Adaptive immunity
Test your knowledge on the diversity of lymphocyte repertoires with our quiz! Learn about the specificity of the adaptive immune system and the millions of different antigens it can distinguish. Discover the various clones that make up the population of B and T lymphocytes. Challenge yourself with this quiz and expand your understanding of the immune system!
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