Cognitive Phase in Adaptive Immunity
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Questions and Answers

What ensures specificity in adaptive immunity?

  • The cytokines secreted by T cells
  • The staggering number of lymphocytes, each possessing specificity for only one antigen (correct)
  • The production of antibodies by B cells
  • The ability of B cells and T cells to recognize many different kinds of antigens

What is the function of T cell receptor (TCR) in response to antigen?

  • Kill infected cells
  • Recognize only peptides
  • Help other cells (correct)
  • Secrete antibodies

What is the role of B cell receptor (BCR) in recognizing antigens?

  • Kill infected cells
  • Help other cells
  • Secrete antibodies (correct)
  • Recognize only peptides

What property ensures diversity in adaptive immunity?

<p>The staggering number of lymphocytes, each possessing specificity for only one antigen (A)</p> Signup and view all the answers

Which type of receptors are TLRs (Toll-like receptors)?

<p>Both cell membrane and endosomal receptors (A)</p> Signup and view all the answers

What do NLRs (Nod-like receptors) recognize?

<p>Damage-Associated Molecular Patterns (DAMPs) (D)</p> Signup and view all the answers

What do PRRs bind to?

<p>Unique microbial structures (A)</p> Signup and view all the answers

What mediates cognitive functions in adaptive immunity?

<p>Cell surface receptors (B)</p> Signup and view all the answers

How does innate recognition of antigen differ from adaptive recognition?

<p>Innate recognition is non-specific, while adaptive recognition is specific to particular antigens (C)</p> Signup and view all the answers

Which term refers to the immunity resulting from the production of antibodies by the immune system in response to the presence of an antigen?

<p>Active immunity (C)</p> Signup and view all the answers

What is the role of apoptosis in immunity?

<p>Regulating the proliferation and elimination of immune cells (A)</p> Signup and view all the answers

What is the primary mechanism by which Fas/FasL interactions induce apoptosis in immune cells?

<p>Triggering a signaling cascade that results in cell death (C)</p> Signup and view all the answers

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