Which of the following statements are TRUE about innate immunity? A. Antigen-loaded dendritic cells (DCs) enter...
Which of the following statements are TRUE about innate immunity? A. Antigen-loaded dendritic cells (DCs) enter the lymph node (LN) via the blood vessels while aive T cells enter via afferent lymphatics. B. Both antige-loaded DCs and naive T cells enter LN via blood vessels. C. Antigen loaded DCs and naive T cells enter LN via afferent while navie T cells enter via blood vessels D. Both antigen-loaded DCs and naive T cells enter LN via the afferent lymphatics. E. The trafficking of antigen-load DCs and naive T cell within LN is random.
Homework Answers
Answer is C. Antigen loaded DCs and naive T cells enter LN via afferent while navie T cells enter via blood vessels
In innate immunity the free antigen and/or antigen-loaded DCs are transported to the LNs from distal tissues through afferent lymph vessels, whereas naive lymphocytes enter these organs in high endothelial venules (HEVs). Only Some T and B memory lymphocytes reach LNs from peripheral tissues through the afferent lymph vessels.
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