Textbook Question
Describe the specific roles of helper, cytotoxic, and regulatory T cells in cell-mediated immunity. Which is thought to be disabled in AIDS?
21. The Immune System
Functions of T Lymphocytes
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T______ cells assist in the functions of certain B cells and other T cells.
A
sensitized.
B
cytotoxic.
C
helper.
D
natural killer.
Verified step by step guidance1
Identify the role of different types of T cells in the immune system. T cells are a type of lymphocyte that play a central role in cell-mediated immunity.
Understand that helper T cells, also known as CD4+ T cells, are crucial for activating and directing other immune cells, including B cells and cytotoxic T cells.
Recognize that helper T cells assist B cells in producing antibodies and help activate cytotoxic T cells to kill infected target cells.
Differentiate between the types of T cells: helper T cells (CD4+), cytotoxic T cells (CD8+), and regulatory T cells, each having distinct functions in the immune response.
Conclude that the correct type of T cell that assists in the functions of certain B cells and other T cells is the helper T cell.
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