Open comedones are also known as which of the following?

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Multiple Choice

Open comedones are also known as which of the following?

Explanation:
Open comedones are the dark, surface-visible form of a clogged hair follicle. They’re called blackheads because the plug of sebum and keratin is exposed to air, and it darkens as it oxidizes—not because it’s dirty. This open pore contrast with closed comedones, which are whiteheads where the plug stays beneath the skin and remains pale. Pustules are pus-filled inflammatory lesions, and cysts are larger, deeper inflammatory nodules. So the dark, open appearance is the clue that identifies them as blackheads.

Open comedones are the dark, surface-visible form of a clogged hair follicle. They’re called blackheads because the plug of sebum and keratin is exposed to air, and it darkens as it oxidizes—not because it’s dirty. This open pore contrast with closed comedones, which are whiteheads where the plug stays beneath the skin and remains pale. Pustules are pus-filled inflammatory lesions, and cysts are larger, deeper inflammatory nodules. So the dark, open appearance is the clue that identifies them as blackheads.

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