A Number of Tumors and Viruses (E

Multiple Choice

A number of tumors and viruses (e.g., Epstein- Barr) are able to escape cytotoxic T cell degradation by inhibiting what?

A) helper T cell activation
B) the activation of the complement system
C) tumor antigen expression
D) the production of the class I MHC molecule
E) the production of the class II major histocompatibility (MHC) molecule