Virginia Barber Practice Exam

What scalp condition is characterized by excessive flaking and itchiness?

1. Psoriasis

2. Dandruff (Seborrheic dermatitis)

3. Eczema

4. Folliculitis

The correct answer is: Dandruff (Seborrheic dermatitis)

The condition particularly noted for excessive flaking and itchiness of the scalp is dandruff, also recognized as seborrheic dermatitis. This condition manifests as dry, flaky skin on the scalp and is often accompanied by redness and itching. Dandruff results from an overproduction of skin cells that can accumulate and shed as large flakes, which contribute to the characteristic visible signs. Seborrheic dermatitis can also be triggered by factors such as stress, oily skin, and fluctuations in weather, which exacerbate the scaling and irritation. The flakes may vary in appearance from fine powder-like particles to larger, greasy scales. The itchiness associated with this condition can be bothersome and lead to frequent scratching, which can further irritate the scalp. In contrast, psoriasis often involves more extensive and thicker patches of red skin with silvery scales that can appear on various parts of the body, including the scalp, but it is typically more severe and chronic than dandruff and does not exclusively present with the same flaking and itch characteristics. Eczema is another skin condition that can cause itchy and inflamed skin, but it usually has different triggers and may not be limited to the scalp. Folliculitis affects hair follicles and is characterized by small, pimple