Mhc Structure And Function

8 Questions | Total Attempts: 156

SettingsSettingsSettings
Please wait...
Lecture Quizzes & Trivia

Feldman lecture 9/23/08


Questions and Answers
  • 1. 
    The phenomenon whereby a T cell can only recognize a peptide antigen when it is bound to a particular MHC molecule is called
    • A. 

      Dominance

    • B. 

      Professional antigen recognition

    • C. 

      MHC restriction

    • D. 

      Positive selection

    • E. 

      Negative selection

  • 2. 
    True or False: An antigen that binds to a specific B cell receptor only has one epitope.
    • A. 

      True

    • B. 

      False

  • 3. 
    B cell responses to bacterial polysaccharides do not require peptide-specific T-cell help and thus are called:
    • A. 

      Innate immune responses

    • B. 

      TI-2 antigens

    • C. 

      TI-4 antigens

    • D. 

      TNF-alpha mediated responses

    • E. 

      INF-gamma mediated repsonses

  • 4. 
    Two examples of conjugate vaccines are
    • A. 

      H.influenzae and HPV

    • B. 

      H.influenzae and S.pneumoniae

    • C. 

      MMR and HPV

    • D. 

      MMR and H.influenzae

    • E. 

      Rotavirus and HPV

  • 5. 
    True or False: MHC class molecules rearrange
    • A. 

      True

    • B. 

      False

  • 6. 
    All MHC class I and MHC class II genes are ______________ on a cell.
  • 7. 
    MHC makes it difficult for pathogens by being
    • A. 

      Polygenic

    • B. 

      Polymorphic

    • C. 

      Polyvalent

    • D. 

      A and B

    • E. 

      B and C

  • 8. 
    We have ______ MHC I genes.