Immunology Basics Quiz
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Questions and Answers

What is the basis for antibody specificity and cross reactivity?

  • Antigen presentation
  • T-cell activation
  • B-cell differentiation
  • Antibody structure (correct)
  • Which type of immunity is an immediate response to a pathogen that does not confer long-lasting protective immunity?

  • Adaptive immunity
  • Acquired immunity
  • Innate immunity (correct)
  • Passive immunity
  • Which system provides protection from disease through new therapies harnessing the power of the immune system?

  • Immune system (correct)
  • Endocrine system
  • Respiratory system
  • Nervous system
  • What happens when the immune system breaks down, leading to immunodeficiency and autoimmunity?

    <p>Attacks on healthy cells and tissues</p> Signup and view all the answers

    Which response to a potential pathogen provides immediate defense but does not confer long-lasting protective immunity?

    <p>Innate immunity</p> Signup and view all the answers

    Which component of innate immunity is primarily responsible for creating holes in bacterial cell walls and disrupting the bacterial membrane?

    <p>Defensins</p> Signup and view all the answers

    What is the major component of the mucosal epithelium that helps in defense against pathogens?

    <p>Mucus</p> Signup and view all the answers

    Which feature is NOT characteristic of innate immunity?

    <p>Dependent on prior exposure to microbes</p> Signup and view all the answers

    Which type of immunity consists of mechanisms capable of recognizing both microbial and nonmicrobial substances?

    <p>Adaptive immunity</p> Signup and view all the answers

    Which immune cell type houses α-defensins and releases them following Toll-like receptor (TLR) activation?

    <p>Neutrophils</p> Signup and view all the answers

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