Primary Immunodeficiencies That Affect B Cells Are Often Characterized by

question 23

Multiple Choice

Primary immunodeficiencies that affect B cells are often characterized by

• A)T cells help fully activate B cells.
• B)T cells help trigger class switching.
• C)T cells help regulate antigen presentation by dendritic cells.
• D)T cells help to both fully activate B cells and trigger class switching.
• E)T cells help to both fully activate B cells and regulate antigen presentation by dendritic cells.

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