Answer :
Final answer:
Inflammation is caused by responses to injury or infection, can be acute or chronic, and has five cardinal signs.
Explanation:
Inflammation is caused by a response of chemical mediators and cellular defenses to an injury or infection. It can be acute, short-lived, and localized, or chronic, which occurs when the inflammatory response is prolonged. Chronic inflammation can be caused by infections, abnormal immune reactions, or conditions like obesity. The five cardinal signs of inflammation are erythema, edema, heat, pain, and altered function.
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