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Which term describes a structured change in tissue caused by injury or disease?

  1. Infection

  2. Lesion

  3. Inflammation

  4. Condition

The correct answer is: Lesion

The term that describes a structured change in tissue caused by injury or disease is "lesion." A lesion can refer to any abnormal change in tissue, which may result from various factors including physical injury, infection, or disease processes. It encompasses a wide range of tissue alterations, such as ulcers, tumors, or any form of structural damage. In the context of the other options, while infection refers specifically to the invasion of pathogens, inflammation describes the body’s response to injury or infection, which includes swelling, redness, heat, and pain but does not describe a specific change in tissue structure. Condition is a more general term that can refer to a state of health or a specific health issue but lacks the specificity associated with the structural changes indicated by the term lesion. Thus, lesion is the most appropriate term for characterizing the structured changes in tissue arising from injury or disease.