Exam 3: Tolerance

Which of the following sets of proteins (among others)are typically expressed by most regulatory T cells ( Treg)?

For each feature of self-tolerance described in questions ,choose the term (letters A-K)that most closely matches it. -Mechanism of peripheral tolerance of B cells and T cells

Immunologic tolerance is defined as:

Which of the following statements about induction or maintenance of T cell tolerance is NOT true?

For each feature of self-tolerance described in questions ,choose the term (letters A-K)that most closely matches it. -Site of central T cell tolerance induction

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

For each feature of self-tolerance described in questions ,choose the term (letters A-K)that most closely matches it. -Tolerance-sensitive stage of B cell maturation

The AIRE protein is expressed by thymic medullary epithelial cells and is required for tolerance to many self-antigens.Which one of the following statements about how AIRE functions is correct?

For each feature of self-tolerance described in questions ,choose the term (letters A-K)that most closely matches it. -Tolerance-sensitive stage of T cell maturation

CTLA-4,expressed by regulatory T cells and activated effector T cells,is crucial for self-tolerance as well as regulation of T cell responses of foreign antigens.Which of the following is a property of CTLA-4 that is important for its function?

For each feature of self-tolerance described in questions ,choose the term (letters A-K)that most closely matches it. -Mechanism of central tolerance of B cells

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

Failure of self-tolerance is the cause of which one of the following types of diseases?