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15 Questions

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Memory T Cells in Immunity

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Questions and Answers

What is the primary function of memory T cells?

To provide long-term immunity against future infections (correct)

To produce antibodies against specific pathogens

To activate antigen-presenting cells

To provide immediate cytotoxic activity against infected cells

Which type of T cell is responsible for cell-mediated immune responses?

CD8+ T cells (correct)

NK cells

B cells

CD4+ T cells

What is the key characteristic of memory T cells that allows them to provide long-term immunity?

Their ability to remain in the body for extended periods (correct)

Their ability to activate complement proteins

Their ability to differentiate into multiple immune cell types

Their ability to produce antibodies against specific pathogens

Which of the following is NOT a function of CD8+ T cells?

Production of antibodies against specific pathogens Signup and view all the answers

What is the primary role of antigen-presenting cells in the immune response?

To present antigens to T cells, activating an immune response Signup and view all the answers

What is a characteristic of B cells in relation to repeated infections?

They remember the presence of any repeated infections Signup and view all the answers

During cell-mediated immune response, which cells primarily interact with B cells to stimulate an adaptive response?

CD4+ T cells Signup and view all the answers

Which type of T cells is primarily responsible for cytotoxic activity against infected cells?

CD8+ T cells Signup and view all the answers

What is the primary function of antigen-presenting cells (APCs) in the immune response?

To present antigens to CD4+ T cells Signup and view all the answers

What is the role of memory T cells in the immune response?

To remember specific infections and mount a rapid response upon subsequent exposure Signup and view all the answers

What is the primary function of thymocytes in the immune response?

To recognize and eliminate infected host cells Signup and view all the answers

Which of the following cells is responsible for directly killing infected host cells?

CD8+ T cells Signup and view all the answers

What is the role of CD4+ T cells in cell-mediated immunity?

To activate cytotoxic T cells to kill infected cells Signup and view all the answers

What is the primary function of antigen-presenting cells (APCs) in cell-mediated immunity?

To present antigens to T cells Signup and view all the answers

What is the role of memory T cells in cell-mediated immunity?

To provide long-term immunity against specific pathogens Signup and view all the answers