The patient with AIDS asks the nurse why his cytotoxic T cells are so important. What is the nurse's best response to explain the actions of cytotoxic T cells?
A) Cells that are programmed to identify specific proteins or antigens
B) Cells that can either destroy a foreign cell or mark it for aggressive destruction
C) Cells that respond to chemical indicators of immune activity and stimulate other lymphocytes to be more aggressive and responsive
D) Cells that respond to rising levels of chemicals associated with an immune response to suppress or slow the reaction
B
Feedback:
Effector or cytotoxic T cells either destroy a foreign cell or make it available for aggressive destruction. Cells that identify specific proteins or antigens are B cells. Cells that respond to chemical indicators to stimulate other cells are helper T cells. Cells that suppress or slow the reaction are suppressor T cells.
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