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)?

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)?
 
 
  • a person accepts a skin graft from a brother, and then receives a second graft from him

     

  • a person rejects a skin graft from his brother, and then receives a second graft from him

     

  • a person rejects a skin graft from his brother, and then receives an autograft of his own tissue

     

  • a person rejects a skin graft from his brother and then receives a skin graft from a totally unrelated individual

     

  • a person receives an autograft and then must replace it after it becomes infected