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That is called an allergy.

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12y ago
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Q: What is an overreaction of the immune system to an invading particle?
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What is an overreaction of the immune system to an invading particle or substance that is not normally harmful?

hypersensitivity


Is an overreaction of the immune system to an invading particle or substance that is not normally harmful?

An allergy. C for plato users


What does the immune system do for the body?

the immune system protects the body from invading pathogyns


Do people who have allergies (pollen) have stronger immune system?

It doesn't indicate a stronger system in general, just an overreaction to a specific thing.


What can be injected to prevent anaphlylactic shock?

You can use histamine antagonists and/or immunosuppressants, since anaphylactic shock is just an overreaction of the immune system.


Where in the body do acids protect us from invading pathogens?

Immune system,


A disorder in which immune system respond to a harmless particle is an?

An allergy.


What is the medical term meaning overreaction of the immune system to antigens such as pollen?

Anaphylaxis is an over response an antigen. It can be life threatening because of the swelling of the mouth and throat.


How vaccines prevent infection?

Vaccines do not prevent infection. Vaccines prepare the immune system to fight infection by allowing the immune system to produce antibodies to a specific invading organism, kill it, and remember it in the future. In vaccines, this organism is often weakened or dead. If the invading organism is found by the immune system in the future following immunization, the immune system remembers it and produces the specific antibodies needed to kill it quickly.


How does the immune system know if a foreign particle has entered the body?

The node will swell


What is an over reaction in the immune system?

It can potentially kill you or make you really ill.


How does the immune system respond to chemicals on the surface of an invading organism?

By presenting small pieces of the organism on their surface