Red Seal Cosmetology Practice Exam

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What is a bulla?

  1. A small blister

  2. A large blister

  3. A type of pimple

  4. A crack in the skin

The correct answer is: A large blister

Bulla is a type of skin lesion that is typically larger than a blister. It occurs when fluid accumulates under the top layer of skin, creating a raised and round shape. This is different from a small blister, which is typically caused by friction or burns, and a bulla may occur due to medical conditions such as eczema or viral infections. A bulla is not a type of pimple, as pimples are caused by clogged pores and are much smaller than a bulla. A crack in the skin, or fissure, does not share the same physical characteristics as a bulla.

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