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What type of lesion is not classified as a fluidless lesion?

  1. Pustule

  2. Vesicle

  3. Macule

  4. Crust

The correct answer is: Vesicle

The correct answer is a macule. A macule is a flat, distinct, colored area of skin that is not raised above the surrounding skin and does not contain fluid. It is simply a change in skin color without any associated elevation or fluid. In contrast, both pustules and vesicles are classified as fluid-filled lesions. A pustule is a small, inflamed, pus-filled blister on the skin, while a vesicle is a small, fluid-filled sac. Crusts can form from the dried exudate of lesions but are not classified as fluid-filled in their primary state. Therefore, a macule stands out as the only type of lesion listed that does not involve fluid at all, making it the correct option in the context of this question.