PATHOLOGY MCQ
IMMUNE RESPONSE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When something enters into the body that doesn’t belong the immune response is activated. It is aware that something is not where its supposed to be. What are the 3 things that triggers the immune response?
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Bacteria
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Blood
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viruses
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Foreign substances
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Explanation:
Detailed explanation-1: -The immune system’s three lines of defense include physical and chemical barriers, non-specific innate responses, and specific adaptive responses.
Detailed explanation-2: -Any substance that is recognised as foreign and is capable of triggering an immune response is called an antigen (non self)
Detailed explanation-3: -Activation of immune responses due to the presence of pathogens evokes the release of cytokines, such as IL-1, TNF-, and IL-6, which initiate what is known as the acute-phase response of inflammation, aimed at fighting infection.
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