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Immune System Structure Quiz

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Questions and Answers

What is immunity?

Resistance of the body against organisms or toxins that tend to damage the tissues & organs

Name two types of lymphocytes found in the immune system.

T-lymphocyte and B-lymphocyte

What are the two types of immunity mentioned in the text?

Natural (innate) immunity and Acquired (specific) immunity

What is the main characteristic of natural (innate) immunity?

Non-specific Signup and view all the answers

What are the primary components of natural (innate) immunity?

Soluble factors, barriers, membranes, secretions, immune cells (phagocytes, inflammatory cells, complement) Signup and view all the answers

What are the primary lymphoid organs involved in the immune system?

Bone marrow and thymus gland Signup and view all the answers

Which cells participate in the acquired (specific) immune response?

T and B lymphocytes, APC (Antigen Presenting Cells) Signup and view all the answers

What is the function of the thymus gland in the immune system?

The thymus gland aids in the maturation of T cells and produces the hormone thymosin. Signup and view all the answers

How do B cells differ from T cells in their immune response?

B cells develop antibodies instead of whole cell reactivity against antigens and have greater diversity, forming billions of antibodies with different reactivities. Signup and view all the answers

What molecules can act as antigens (Ags) in the immune system?

Proteins, polysaccharides, lipoproteins, or glycolipids Signup and view all the answers