1. Which of the following lymphokine(s) is secreted by delayed-type-hypersensitivity cells?

A. Macrophage stimulating factor
B. Migration inhibiting factor
C. Macrophage activating factor
D. All of the above

2. Which of the following is an example of autoimmune disease?

A. Rheumatoid arthritis
B. Systemic lupus erythematosus
C. Polyarteritis nodosa
D. All of the above

3. Immunosuppressive agent(s) is/are

A. Cyclosporine
B. Methotrexate
C. Anti-lymphocytic serum
D. All of these

4. Induction of tolerance mechanism(s) is/are

A. suppression
B. clonal deletion
C. clonal anergy
D. all of these

5. Lens antigens of the eye are

A. cross-reacting antigens
B. sequestrated antigens
C. neoantigens
D. none of these