For Each Feature of Self-Tolerance Described in Questions ,Choose the Term

question 6

Multiple Choice

For each feature of self-tolerance described in questions ,choose the term (letters A-K) that most closely matches it.
-Mechanism of peripheral tolerance induction of B cells but not T cells

• A)Immature (IgM+IgD-)
• B)Thymic cortex
• C)Bone marrow
• D)Antigen recognition without T cell help
• E)Receptor editing
• F)Activation-induced cell death
• G)Regulatory T cell-mediated suppression
• H)Antigen recognition with costimulation
• I)Double positive (CD4+CD8+)
• J)Anergy
• K)Thymic medulla