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Immunology: T Cells

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Questions and Answers

What is the primary function of cytotoxic T cells?

To help activate B cells
To kill infected cells and tumor cells (correct)
To present antigens to other immune cells
To produce antibodies

Where do T lymphocytes mature?

In the bone marrow
In the lymph nodes
In the spleen
In the thymus (correct)

What type of T cell is involved in activating other immune cells?

Memory T cell
Cytotoxic T cell
Helper T cell (correct)
Regulatory T cell

What is the role of memory T cells?

To remember past antigen exposure (B) Signup and view all the answers

What is the function of regulatory T cells?

To suppress immune responses (B) Signup and view all the answers

What is the primary effector cell of innate immunity?

Natural killer cell (C) Signup and view all the answers

Which type of T cell produces multiple cytotoxic T cells?

Memory T cells (B) Signup and view all the answers

What is the primary function of Helper T cells?

To secrete cytokines to help B cells differentiate (B) Signup and view all the answers

What is the role of Regulatory T cells?

To suppress the immune response (B) Signup and view all the answers

What is the main difference between a cytotoxic T cell and a memory T cell?

Cytotoxic T cells are short-lived, while memory T cells are long-lived (A) Signup and view all the answers

What is the function of cytotoxic T cells?

To attack and kill infected cells (D) Signup and view all the answers

From which cells do memory T cells originate?

Cytotoxic T cells (A) Signup and view all the answers

What type of blood cells are produced by the thymus?

T-lymphocytes (C) Signup and view all the answers

What is the primary function of MALTs and GALTs?

To defend against pathogens attempting to enter from outside the body (C) Signup and view all the answers

What is the main function of Antigen Presenting Cells (APCs)?

To process antigens into peptides and present them to T-cell receptors (B) Signup and view all the answers

What is the primary function of B lymphocytes?

To produce antibodies (A) Signup and view all the answers

What is the role of the Major Histocompatibility Complex (MHC)?

To encode proteins on the cell surface that have an important role in immune response (D) Signup and view all the answers

What is the main function of Basophils?

To release histamine during allergic reactions (B) Signup and view all the answers