PSI Barbering Practice Exam 2025 – All-in-One Resource to Master Your Certification!

Psoriasis is primarily characterized by thick patches of rough skin that are often red and covered with white or silver scales. This is due to an accelerated skin cell turnover, which causes cells to pile up on the surface of the skin.

The thick patches, which can be very uncomfortable and sometimes itchy, are a hallmark of psoriasis. This condition leads to the formation of lesions that are typically well-defined and can appear on various parts of the body, including elbows, knees, scalp, and lower back.

Other manifestations of psoriasis include inflammation and irritation, which differentiate it from other skin conditions, but the description of "thick patches of rough skin" aligns closely with the typical clinical presentation of psoriasis.

In contrast, thin, dry, or oily patches, red swollen peeling areas, and brightly colored spots do not accurately represent the typical features of psoriasis. Each of these features could describe other skin conditions or variations that do not specifically relate to psoriasis.