PATHOLOGY MCQ
LYMPHO RETICULAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Any substance that is capable of inciting an immune response. Large signaling molecule not normally found in the body.
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Antigen
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Antibody
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -An antigen is any substance to which the immune system can respond. For example, components of the bacterial cell wall can trigger severe and immediate attacks by neutrophils. If the immune system encounters an antigen that is not found on the body’s own cells, it will launch an attack against that antigen.
Detailed explanation-2: -A hapten is essentially an incomplete antigen. These small molecules can elicit an immune response only when attached to a large carrier such as a protein; the carrier typically does not elicit an immune response by itself.
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