Answer to Question #15457 in Other Biology for Sunita

Question #15457

31. Which of the following is responsible for movement of immune cells through a lymph node? (Points : 3)
Granzyme
Chemokines
Hemoglobin
Gravity

32. T regulatory cells (T regs) function to (Points : 3)
Activate naïve Cytotoxic T cells
Activate dendritic cells
Downregulate an immune response
Regulate production of T and B cells in bone marrow

33. Which event is the primary reason that the innate and cellular immune systems may be turned down or off? (Points : 3)
more B cells are activated
decrease in free antigen
antibody production is stopped
T cells are short-lived

34. Where do most lymphocytes come in contact with their antigen? (Points : 3)
Bone Marrow
Spleen
Lymph node
Liver

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