In the Serological Method for Tissue Typing,if Human Cells Expressing

Multiple Choice

In the serological method for tissue typing,if human cells expressing HLA-I are mixed with anti-HLA-I,complement,and trypan blue,what would indicate the cells are HLA-I?

A) Enzyme is released from neutrophils.
B) Cells are damaged by complement.
C) Trypan blue enters the cells.
D) Anti-HLA antibodies bind to HLAs on lymphocytes.
E) None of the answers are correct;the T cells are missing.