The specific immune response

Overview

B and T lymphocytes, clonal selection and expansion, plasma cells, T helper and T killer cells, and how the secondary response differs from the primary.

What you need to know

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Questions from this subtopic

Each one with the model answer underneath.

1. 1

   What is the role of B lymphocytes in the specific immune response?

   Model answer

   B lymphocytes are white blood cells that produce antibodies as part of the specific immune response.

2. 2

   What functions do T lymphocytes perform in the specific immune response?

   Model answer

   T lymphocytes coordinate the immune response and destroy infected cells.

3. 3

   Why is cell signalling using interleukins significant in immunity?

   Model answer

   Interleukins are significant in coordinating the specific immune response by enabling communication between immune cells.

4. 4

   Define clonal selection.

   Model answer

   Clonal selection is the process by which lymphocytes with receptors complementary to a specific antigen are selected to proliferate.

5. 5

   What is clonal expansion?

   Model answer

   Clonal expansion is the rapid division of selected lymphocytes to produce many identical cells.

6. 6

   Define plasma cells and state their function.

   Model answer

   Plasma cells are differentiated B lymphocytes that secrete large quantities of antibodies.

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