Multiple Choice
Which of the following is NOT a step used by cytotoxic T cells to kill infected host cells?
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What are the three classes of lymphocytes, and where does each class originate?
A decrease in which population of lymphocytes would impair all aspects of an immune response?
(a) Cytotoxic T cells
(b) Helper T cells
(c) Regulatory T cells
(d) B cells
(e) Plasma cells
Perforins are proteins associated with the activity of
(a) T cells
(b) B cells
(c) NK cells
(d) Plasma cells
Which of the following statements about effector T cells is NOT true?
Mark the following statements as true or false. If a statement is false, correct is to make a true statement.
The secondary immune response is mediated by plasma cells.
CD markers differentiate the two types of effector T cells. Cytotoxic T cells have _________ markers while helper T cells have _________ markers.