which of the following is hallmak of CHRONIC INFLAMMATION ?: (A) tissue destruction, (B) mononuclear infiltration, (C) wound healing and repair, (D) all of the above
Answer is A. Chronic Inflammation Definition: * Inflammation of prolonged duration in which active inflammation, tissue injury and the healing proceed simultaneously * Causes: * Persistent Infections * Ex. Treponema palladium (causative organism of syphilis) * Organism of low toxicity and evoke an immune reaction = delayed hypersensitivity * Prolonged Exposure to toxic Agents * Autoimmunity * Ex. Autoimmune diseases . ref : robbins 10th ed