T Cell Response to Viral Infections

What is the primary function of antibodies in eliminating virus infection?

To bind to the virus and neutralize its ability to infect cells

What happens to some B and T cells after the infection is cleared?

They become memory cells, remaining in the body for a long time

How do T cells respond to viral antigens?

By directly attacking virus-infected cells

What is the primary role of B cells in eliminating virus infection?

To produce antibodies to neutralize the virus Signup and view all the answers

What is required for B cells to recognize viral antigens?

Direct recognition without antigen presentation Signup and view all the answers

What is the outcome when activated T cells target virus-infected cells?

The cell undergoes apoptosis or lysis Signup and view all the answers

What is the primary function of Natural Killer cells in the immune response?

To recognize and eliminate infected cells through apoptosis Signup and view all the answers

What is the role of antigen-presenting cells in eliminating virus infection?

To capture and process viral antigens for presentation to T cells Signup and view all the answers

What is the result of perforin released by NK cells?

Creation of pores in the target cell's membrane Signup and view all the answers

What is the role of MHC I or II molecules on the surface of infected cells?

To distinguish infected cells from healthy cells Signup and view all the answers

What is the result of B cell activation?

Production of antibodies that neutralize viral particles Signup and view all the answers

What is the role of dendritic cells in the immune response?

To activate and mature T cells Signup and view all the answers

What is the function of MHC class I molecules?

To present pieces of viral proteins on the cell surface Signup and view all the answers

Which type of T cells recognize and kill virus-infected cells?

CD8+ T cells Signup and view all the answers

What is the function of MHC class II molecules?

To present exogenous viral peptides to CD4+ T cells Signup and view all the answers

What is the adaptive immune response characterized by?

A specific response to a particular pathogen Signup and view all the answers

What type of cells are involved in the adaptive immune response?

Lymphocytes, including B cells and T cells Signup and view all the answers

What do MHC class I glycoproteins do to viral proteins?

Present them on the cell surface Signup and view all the answers