Question 4
4. Which of the following is likely to promote a first set response (rejection in two weeks) as opposed to a second set response (rejection within one week)?
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a person accepts a skin graft from a brother, and then receives a second graft from him
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a person rejects a skin graft from his brother, and then receives a second graft from him
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a person rejects a skin graft from his brother, and then receives an autograft of his own tissue
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a person rejects a skin graft from his brother and then receives a skin graft from a totally unrelated individual
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a person receives an autograft and then must replace it after it becomes infected