The Lymphatic and Immune System: Anatomy Chapter 21 Quiz

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Which type of immune cell can secrete soluble antibodies?

T cells

Antigen

Natural Killer cells

Plasma cells (correct)

Which lymphoid organ is responsible for the maturation of T cells?

Thymus (correct)

Lymph nodes

Bone marrow

Spleen

What is the primary function of Natural Killer cells?

Secrete chemokines to attract other immune cells

Destroy cells infected with intracellular pathogens

Provide the first line of defense against viruses and some cancers (correct)

Develop into plasma cells after binding to an antigen

Which type of bone marrow is responsible for the development of B cells?

Red bone marrow Signup and view all the answers

What is the primary function of the secondary lymphoid organs?

To filter lymph fluid and initiate immune responses Signup and view all the answers

What is the main function of lymph nodes?

Filtering lymph and removing debris and pathogens Signup and view all the answers

Where are lymphoid nodules found in the body?

In the respiratory and digestive tracts Signup and view all the answers

What is the role of dendritic cells in the spleen?

Filtering blood Signup and view all the answers

Why do tonsils swell during an active immune response?

As a result of an infection Signup and view all the answers

What is the function of mucosa-associated lymphoid tissue (MALT) in the body?

Hosting lymphoid follicles on various body parts Signup and view all the answers

What is the significance of germinal centers in secondary lymphoid organs?

Contain sites for rapidly dividing B cells and plasma cells Signup and view all the answers

Which cells and organs destroy pathogens?

Cells and organs of the lymphatic system Signup and view all the answers

What is the major staging area for the development of a critical immune response?

Lymph nodes Signup and view all the answers

How does lymph move in the lymphatic vessels?

By breathing, muscle contraction, and body movements Signup and view all the answers

Which areas of the body lack lymph vessels?

Bone marrow, CNS, teeth, and cornea Signup and view all the answers

Where do all leukocytes come from?

Red marrow (myeloid or lymphoid) Signup and view all the answers

Which cells produce plasma cells that bind to antigens?

B cells Signup and view all the answers

Which type of immune response is slower to develop but highly specific and effective at attacking a wide variety of pathogens?

Adaptive immune response Signup and view all the answers

Which immune cell is known to release perforins and granzymes to induce apoptosis in an infected cell?

Natural killer cell Signup and view all the answers

What is the function of opsonization in the immune system?

Enhancing phagocytosis of pathogens Signup and view all the answers

Which protein puts holes in the membranes of infected cells?

Perforins Signup and view all the answers

What type of antigen is specific to bacteria and red blood cells?

Carb antigen Signup and view all the answers

Which immune cell plays a central role in the inflammatory response by releasing histamine?

Neutrophil Signup and view all the answers

Which cells specifically induce neighboring cells to produce antiviral proteins?

Interferons Signup and view all the answers

What is the primary role of cytokines in the immune system?

Enabling communication between nearby cells Signup and view all the answers

Which type of immune response is rapid, nonspecific, but not always effective against pathogens?

Innate immune response Signup and view all the answers

What occurs when an adaptive immune response begins to attack the body's own cells?

Autoimmune disease Signup and view all the answers

What is the primary function of macrophages in the immune response?

To present antigen at the site of infection and stimulate phagocytosis Signup and view all the answers

What is the main function of B cells in the adaptive immune response?

To stimulate the production of antibodies that neutralize pathogens Signup and view all the answers

What is the purpose of the negative selection process during T cell development?

To eliminate T cells that might attack the body's own cells Signup and view all the answers

Which type of T cell is responsible for regulating the activity of B cells and their differentiation into plasma cells?

Th2 cells Signup and view all the answers

What is the primary function of IgA antibodies in the immune system?

To protect mucosal surfaces from pathogen invasion Signup and view all the answers

What is the primary mechanism by which cytotoxic T cells kill infected or cancerous cells?

By inducing apoptosis in the target cells through the release of cytotoxic granules Signup and view all the answers

What is the primary purpose of the clonal expansion process in the adaptive immune response?

To increase the number of effector and memory cells specific to a particular antigen Signup and view all the answers

What is the main difference between active and passive immunity?

Active immunity involves the production of memory cells, while passive immunity does not Signup and view all the answers

How do IgE antibodies contribute to the immune response against parasitic infections?

IgE enhances the cytotoxic activity of eosinophils, which then attack and kill the parasites Signup and view all the answers

What is the primary function of regulatory T cells in the immune system?

To suppress the activity of other T cells and prevent autoimmune responses Signup and view all the answers