Michigan Esthetician State Board Practice Exam

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What type of acne is characterized by mostly open comedones?

Grade I Acne
Grade II Acne
Grade III Acne
Grade IV Acne

The correct answer is: Grade I Acne

The type of acne characterized by mostly open comedones is Grade I Acne. This stage of acne typically involves a few non-inflammatory lesions, primarily consisting of open comedones, also known as blackheads. In this grade, the pores are only partially blocked, allowing some contents to remain at the surface, which leads to the characteristic dark appearance of blackheads due to oxidation of the debris in the pores. In contrast, as the severity of acne progresses with Grade II, Grade III, and Grade IV Acne, the presence of closed comedones, inflammatory lesions, and cysts increases. These grades involve more significant blockages within the pores and often include papules and pustules, rather than primarily open comedones. Thus, recognizing the characteristics of different grades is essential in understanding the progression and treatment of acne.