National Occupational Competency Testing Institute (NOCTI) Cosmetology Practice Exam

Which skin condition is characterized by the excessive shedding of skin cells?

1. Alopecia

2. Psoriasis

3. Rosacea

4. Acne

The correct answer is: Psoriasis

Psoriasis is characterized by the excessive shedding of skin cells. It is a chronic autoimmune condition that results in the rapid turnover of skin cells, leading to a buildup on the surface of the skin. This buildup creates thick, red patches covered with silvery scales, which can be itchy and sometimes painful. Understanding that psoriasis affects the skin's regeneration process is crucial, as the accelerated shedding can lead to a cycle of irritation and inflammation. Alopecia primarily refers to hair loss rather than skin cell shedding. Rosacea is a condition that manifests with facial redness and visible blood vessels but does not involve excessive shedding of skin cells. Acne involves the clogging of hair follicles with oil and dead skin but does not generally feature the excessive shedding characteristic of psoriasis. Therefore, psoriasis is the condition that most accurately matches the description of excessive skin cell shedding.