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Immunology › View

Through which of the following ways do B cells acquire/interact with antigen in the lymph nodes and spleen?

A. soluble antigen acquired from lymphatic circulation by dendritic cells

B. free antigen transported to lymph node via lymphatic vessels

C. follicular dendritic cells (FDCs) concentrate antigen for selection and differentiation

D. all of the above

E. none of the above

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Medical Terminology › View

______ is a condition that is free of pathogens

A. Pathogen

B. Microscopic organism

C. Sepsis

D. Asepsis

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