OVERVIEW OF THE IMMUNE SYSTEM
IMMUNITY INNATE AND ADAPTIVE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What molecule induces fever?
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defensin
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collectin
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fibrinogen
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pyrogen
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Explanation:
Detailed explanation-1: -TNF- is an endogenous pyrogen acting on the hypothalamus to induce fever.
Detailed explanation-2: -The induction of fever during infection These innate immune cells release prostaglandin E2 (PGE2) as well as pyrogenic cytokines (namely, interleukin-1 (IL-1) IL-6, and tumour necrosis factor (TNF)) that act systemically to induce fever.
Detailed explanation-3: -protein and polysaccharide substances called pyrogens, released either from bacteria or viruses or from destroyed cells of the body, are capable of raising the thermostat and causing a rise in body temperature. Fever is a highly significant indicator of disease.
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