In the Serological Method for Tissue Typing, If Human Cells

question 30

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) Trypan blue enters the cells.
• C) Cells are damaged by complement.
• D) Anti-HLA antibodies bind to HLAs on lymphocytes.
• E) None of the answers are correct; the T cells are missing.

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