Basics of Immunity and Cells Involved Quiz
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Questions and Answers

What type of immunity are B lymphocytes involved in?

  • Passive immunity
  • Innate immunity
  • Adaptive immunity (correct)
  • Acquired immunity

Which cells are the only ones capable of producing antibodies?

  • T lymphocytes
  • Dendritic cells
  • Macrophages
  • B lymphocytes (correct)

What are the antigen-binding components of the B-cell receptor complex?

  • Membrane-bound antibodies of the IgM & IgD isotypes (correct)
  • Membrane-bound antibodies of the IgE & IgA isotypes
  • Membrane-bound antibodies of the IgG & IgA isotypes
  • Membrane-bound antibodies of the IgG & IgM isotypes

Which cells are the most important antigen-presenting cells for initiating T-cell responses against protein antigens?

<p>Dendritic cells (A)</p> Signup and view all the answers

Which cells function as protein factories for producing antibodies?

<p>Plasma cells (D)</p> Signup and view all the answers

Which of the following is NOT a component of the innate immune response?

<p>T cells (C)</p> Signup and view all the answers

Which of the following statements about neutrophils is correct?

<p>They are the first cells to appear at the site of infection or damage. (C)</p> Signup and view all the answers

Pattern recognition receptors (PRRs) are involved in which type of immunity?

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

Which of the following is a function of natural killer (NK) cells?

<p>Killing of virus-infected cells (B)</p> Signup and view all the answers

What is the primary difference between innate and adaptive immunity?

<p>Adaptive immunity develops more slowly than innate immunity. (C)</p> Signup and view all the answers

What is the role of Toll-like receptors (TLRs) in the immune system?

<p>They are pattern recognition receptors that recognize pathogen-associated molecular patterns. (C)</p> Signup and view all the answers

What are pattern recognition receptors responsible for detecting?

<p>Extracellular microbes, ingested microbes, and microbes in the cytoplasm (A)</p> Signup and view all the answers

Which of the following is NOT one of the five major families of cellular receptors in innate immunity?

<p>ALRs (AIM-like receptors) (D)</p> Signup and view all the answers

Which of the following statements about natural killer (NK) cells is FALSE?

<p>NK cells are responsible for producing antibodies against extracellular microbes (A)</p> Signup and view all the answers

What is the key difference between humoral immunity and cell-mediated immunity?

<p>All of the above (D)</p> Signup and view all the answers

What is the role of helper T lymphocytes in the adaptive immune system?

<p>Helper T lymphocytes stimulate B lymphocytes to make antibodies and activate other leukocytes to destroy microbes (B)</p> Signup and view all the answers

How do T cells recognize antigens?

<p>T cells recognize peptide antigens bound to and presented by major histocompatibility complex (MHC) molecules on antigen-presenting cells (B)</p> Signup and view all the answers

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