Microbes in Human WelfareEasy
Question
An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as
Options
A.histamine and dopamine
B.histamine and kins
C.interferons and opsonin
D.interferons histones
Solution
An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as histamine and kinins. Histamine is a biogenic amine involved in local immune responses as well as regulating physiological function in the gut and acting as a neurotransmitter. it is found virtually all animal b0ody cells. New evidence also indicates that histamine plays an important role in chemotaxis of white blood cells. kinins is any of various structrually related polypeptides, such as bradykinin and kaillikrein. They act locally to induce vasodilation and contration of smooth muscle.
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