15 Questions
What kind of immune cells are typically elevated during a parasite infection?
Eosinophils
Which immune cells are generally elevated during a bacterial infection?
Neutrophils
Where do B cells and T cells originate from?
Bone marrow
What is the primary site for the development and maturation of B cells?
Bone marrow
Where do mature naive B cells concentrate while waiting for a particular antigen that they recognize as non-self?
Spleen
Where does positive and negative selection occur with T cells to ensure they engage in an immune response while avoiding response to self-cells?
Thymus
After maturity, where do mature naive lymphocytes recirculate through?
Blood and spleen.
Where do naive B and T cells enter lymph nodes through?
High endothelial venule (HEV)
What is the anatomical arrangement in peripheral lymphoid organs optimized for?
Antigen recognition and lymphocyte activation
How do mature lymphocytes reach various tissues and organs?
Circulation in the blood
What is crucial for the activation of the immune system?
Recognition of antigens
What guides lymphocytes to the lymph nodes?
Chemokines and other signaling molecules
Where do lymphocytes encounter antigens?
In various tissues and organs
How are lymphocytes attracted to secondary lymphoid organs such as lymph nodes?
Chemotaxis
From where are mature lymphocytes released into the bloodstream?
Bone marrow or thymus
Test your knowledge about immune cells and their response to parasite and bacterial infections. Questions cover the elevation of specific immune cells in blood cell count and the movement of lymphocytes from bone marrow to lymph nodes.
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