20 Questions
What is the main function of the immune system?
Provide non-specific and specific protection against microorganisms
What is a characteristic feature of the immune system?
Ability to discriminate between self and non-self
Where do T cell precursors originate?
Bone marrow
Which organ is important in T cell maturation?
Thymus
What is the primary function of secondary (peripheral) lymphoid organs and tissues?
Occurrence of immune responses
Which of the following cells are responsible for producing antibodies?
Plasma cells
Which of the following cells develop in the thymus?
T cells
What is the primary function of helper T cells (CD4+)?
Promote the activation of B cells and cytotoxic T cells
Which of the following is a type of macrophage found in the lung?
Alveolar macrophage
Which of the following cells are identified by the presence of the CD19 or CD20 marker?
B cells
Where are lymphocytes concentrated in the body?
In areas most likely to be invaded by pathogens
What is the primary function of B cells?
To produce antibodies
Which type of T cell helps stimulate the B cell response?
Helper T cells
Which type of macrophage is found in the lung?
Alveolar macrophages
Where do T cell precursors originate?
Thymus
Which of the following is NOT a primary (central) lymphoid organ?
Lymph nodes
What is the main function of the thymus gland in the immune system?
Maturation of T cell precursors
Which of the following is a key characteristic of the immune system?
Ability to discriminate between self and non-self
What is the primary function of the secondary (peripheral) lymphoid organs and tissues?
Immune response to pathogens and antigens
Where do B cells mature and develop?
Bone marrow
Explore the components and functions of the immune system, including molecules, cells, tissues, and organs that protect against microorganisms, toxins, and tumor cells. Learn about the characteristics of the immune system such as antigen response, self-discrimination, and memory.
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