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Basics of Immunity and Cells Involved Quiz

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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?

Dendritic cells Signup and view all the answers

Which cells function as protein factories for producing antibodies?

Plasma cells Signup and view all the answers

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

T cells Signup and view all the answers

Which of the following statements about neutrophils is correct?

They are the first cells to appear at the site of infection or damage. Signup and view all the answers

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

Innate immunity Signup and view all the answers

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

Killing of virus-infected cells Signup and view all the answers

What is the primary difference between innate and adaptive immunity?

Adaptive immunity develops more slowly than innate immunity. Signup and view all the answers

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

They are pattern recognition receptors that recognize pathogen-associated molecular patterns. Signup and view all the answers

What are pattern recognition receptors responsible for detecting?

Extracellular microbes, ingested microbes, and microbes in the cytoplasm Signup and view all the answers

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

ALRs (AIM-like receptors) Signup and view all the answers

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

NK cells are responsible for producing antibodies against extracellular microbes Signup and view all the answers

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

All of the above Signup and view all the answers

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

Helper T lymphocytes stimulate B lymphocytes to make antibodies and activate other leukocytes to destroy microbes Signup and view all the answers

How do T cells recognize antigens?

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