16 Questions
What is the primary function of eicosanoids in the context of inflammation?
To induce asthma-like allergic reactions
What is the main function of antibodies in the immune response?
To recognize and bind to a specific antigen
Which type of antibody is involved in fatal allergic reactions?
IgE
What is the role of IgM and IgD in the immune response?
They serve as a major antigen receptor on the surface of B cells
What is the primary function of macrophages in the immune response?
To kill pathogens and irritants through the killing mechanism
Which type of antibody is the only one that can cross the placenta and protect the developing fetus?
IgG
What is the primary function of the lymphatic system?
To provide an accessory return route to the blood for the surplus 3L of plasma
What type of granules do neutrophils contain?
Primary granules and secondary granules
What is the role of macrophages in the immune system?
To phagocytose and kill microbes in tissues
What is the function of Toll-like receptors (TLRs) in the immune system?
To act as sensors and recognize microbial components
What is the role of cytokines in the immune system?
To act as signaling proteins and coordinate the immune response
What is the function of complement proteins in the immune system?
To bind and coat microbes, facilitating phagocytosis or direct lysis
What is the mechanism by which neutrophils kill pathogens?
Through the action of oxidative burst
What is the role of B cells in the immune system?
To produce antibodies against pathogens
What is the role of helper T cells in the immune system?
To recruit B cells to produce antibodies
What is the function of the spleen in the immune system?
To store and produce lymphocytes
Explore the complex system of the immune system, including its physical barriers, secretions, blood cells, and lymphatic system. Learn about the various components that work together to protect the body against pathogens and diseases. Test your knowledge of the immune system's functions and structures!
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