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Discuss the difference between the primary response and the secondary response to antigen exposure.

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter9: Immunity And Disease

Section: Chapter Questions

Problem 4RQ: What is the difference between an allergy and an autoimmune response?

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Concept explainers

Immunology

Immunology is the division of science involved with the immune reactions occurring in living organisms. The organisms are accustomed to evolving internal defense mechanisms to evade the invasion of microbial pathogens. Diverse cells are connected with stimulating the immune responses, which produce inhospitable conditions to the microbes prompting their lysis and thus inhibits the multiplication of the pathogens. The immune system can distinguish the pathogens through the aid of cellular intercommunication and launch responses to destroy them.

Question

Discuss the difference between the primary response and the secondary response to antigen exposure.

Expert Solution

Step 1

The immune system's ability to recognise and respond to previously encountered antigens is referred to as immunological memory.
Memory B-cells are long-lived plasma cells that are mostly generated in germinal centres. Primary and secondary immune responses to antigens are distinguished. The initial line of defence against infectious pathogens is the innate immune system.

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