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

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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

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3. Immunosuppressive agent(s) is/are

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

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

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

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5. Lens antigens of the eye are

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

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