Immunity, Stress, and Disease - immune system basics

8 important questions on Immunity, Stress, and Disease - immune system basics

What is Conditioned immunosuppression?

This is the link between the nervous system (brain) and the immune system.

What is immunologic memory?

The memory of what an infection agent looks like, to better prepare for the next invasion.

What are lymphocytes an monocytes?

These are the white blood cells, the cells that take care of immune defenses.
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How do T cells react to an infectious agent?

T cells bring about cell-mediated immunity. When an infectious agent invades the body,--> it is recognized by a type of monocytes called a macrophage, which presents the foreign particle to a T helper cell and rings of an alarm.--> T cells begin to proliferate in response eto the invasion. --> Activation and proliferation of cytotoxic killer cells. --> Destroy the infectious agent.

How do B cells react to an infectious agent?

Cause antibody- mediated immunity. When the macrophage-T helper cell collaborated, the T helper cells then stimulate B-cell proliferation. The main task of B cells is to differentiate and generate antibodies, lager proteins that will recognize and bond to some specific feature of the infectious agent. The antibody formed has a fairly unique shape, which will conform perfectly to the shape of the distinctive feature of the invader. It immobilize the agent and tagged it for destruction.

What is an autoimmune disease?

When the immune system erroneously attacks a normal part of the body.

What is the acquired immunity?

1. You acquire the ability to taper pathogen x with antibodies and cell mediated immunity that recognize that pathogen. 2. Taking some time to build immunity, find the antibody with the best fit and generating a zillion copies of it. 3. Geared up to go after pathogen x, repeated exposure to pathogen X will boost those targeted defenses even more.

What is the innate immunity?

This is a less specific immunity. The second any sort of pathogen hits your system, this nonspecific immune response swings into action.

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