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Question

An insect bite may result in inflammation of that spot that is triggered by the alarm chemicals such as

A
histamine and dopamine
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B
Histamine and kinins
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C
interferons and opsonin
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D
Interferons and histones
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Solution

The correct option is B Histamine and kinins
An insect bite may induce an allergic response which results in local inflammation. Inflammation is mediated by chemicals such as histamine, serotonin and kinins. Dopamine is a neurotransmitter that plays a major role in reward-motivated behaviour. Interferons are antiviral proteins produced by virus-infected cells. Opsonins are molecules that coat bacteria to facilitate their phagocytosis. Histones are proteins involved in packaging DNA.

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