IMM2011 Innate and Adaptive Immunity

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What is the approximate number of T and B cells circulating in the human body?

1018

1012 (correct)

1016

1014

What is the primary function of dendritic cells in adaptive immunity?

To activate T cells

To remove self-reactive clones

To present antigens to T cells (correct)

To produce antibodies

What is the outcome of the recombination process in making antigen receptors?

Generation of identical antigen receptors in each lymphocyte

Generation of self-reactive receptors only

Generation of unique antigen receptors in each lymphocyte (correct)

Generation of no antigen receptors

What is the primary characteristic of adaptive immunity that distinguishes it from innate immunity?

Ability to remember and improve responses Signup and view all the answers

What is the approximate number of possibilities for T cell receptors generated by recombination?

1016 Signup and view all the answers

What is the consequence of the recombination process generating self-reactive receptors?

Autoimmune disease Signup and view all the answers

What is the primary role of antibody in adaptive immunity?

Neutralization of pathogens Signup and view all the answers

What is the key characteristic of the adaptive immune response that allows for a more rapid and stronger response with each exposure?

Generation of immune memory Signup and view all the answers

What is the primary difference between T cell and B cell receptors in terms of possibilities generated by recombination?

T cells have approximately 1016 possibilities, while B cells have approximately 1011 possibilities Signup and view all the answers

What is the primary mechanism that ensures a more rapid and stronger response with each exposure in adaptive immunity?

Generation of immune memory Signup and view all the answers

IMM2011 Innate and Adaptive Immunity

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Questions and Answers

What is the approximate number of T and B cells circulating in the human body?

What is the primary function of dendritic cells in adaptive immunity?

What is the outcome of the recombination process in making antigen receptors?

What is the primary characteristic of adaptive immunity that distinguishes it from innate immunity?

What is the approximate number of possibilities for T cell receptors generated by recombination?

What is the consequence of the recombination process generating self-reactive receptors?

What is the primary role of antibody in adaptive immunity?

What is the key characteristic of the adaptive immune response that allows for a more rapid and stronger response with each exposure?

What is the primary difference between T cell and B cell receptors in terms of possibilities generated by recombination?

What is the primary mechanism that ensures a more rapid and stronger response with each exposure in adaptive immunity?

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