A) histamine and prostaglandins
B) cerumen and mucus
C) histamine and cerumen
D) prostaglandins and cerumen
Correct Answer: A
Solution :
The infection or tissue injury often causes redness, swelling, pain and production of heat that may result in fever. Such localized expression is called inflammatory response which is due to release of certain chemicals such as histamines and prostaglandins by the damaged mast cells. Due to which vascular fluid also comes out of the blood vessels and phagocytic cells move towards affected area. All these responses inhibit and destroy the invading pathogenic micro-organisms.
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