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Is a type of immunity that develops from exposure to an antigen. This exposure results in production of antibodies.?
Active Immunity
What leads to long-term immunity in mammals?
exposure to antigen
What is passive for artificial immunity?
Passive artificial immunity involves the introduction of antibodies from an external source to provide immediate protection against pathogens. This is typically achieved through the administration of immunoglobulin injections or monoclonal antibodies. Unlike active immunity, which develops through exposure to an antigen and the subsequent immune response, passive immunity offers temporary protection as the body does not produce its own antibodies. This method is often used in situations where immediate immunity is required, such as after exposure to certain infections or in immunocompromised individuals.
What are two ways active immunity is produced?
1. mother to fetus2. Through exposure to the antigen(virus, toxins,or cancer cells).
What is adaptive immunity stimulated by?
antigen
How active immunity is acquired through humoral response?
Active immunity through the humoral response occurs when B cells encounter antigens and differentiate into plasma cells that produce specific antibodies. These antibodies then circulate in the bloodstream and target the antigen for destruction. Memory B cells are also formed in this process, providing long-term immunity upon subsequent exposure to the same antigen.
What is positive immunity?
If a person's immune system is producing antibodies against a specific antigen, then that person has a positive or active immunity toward that antigen. If a person has merely been injected with antibodies but does not produce them, that is a passive immunity.
What does active immunity?
the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.
A major difference between active and passive immunity is that active immunity requires?
Active immunity requires exposure to the antigen, either naturally or artificially, in order for the immune system to build antibodies against it. Passive immunity does not require exposure to the antigen because the antibodies are obtained either naturally, through mother's milk, or artificially through an injection of a serum, such as that is used in antivenom for snake bites.
Cell mediated immunity anatomy definition?
Immunity independent of antibody but dependent on the recognition of antigen by T cells and their subsequent destruction of cells bearing the antigen or on the secretion by T cells of lymphokines that enhance the ability of phagocytes to eliminate the antigen.
What does Active immunity means?
the immunity that results from the production of antibodies by the immune system in response to the presence of an antigen.
Any foreign substance that enters the body and induces an immune response is called?
Antigen
