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What skin condition is characterized by patches of scales that bleed when scratched?

Eczema

Psycho-dermatitis

Psoriasis

The correct answer is indeed psoriasis. This chronic skin condition is marked by the presence of red patches covered with thick, silvery scales. When these patches are scratched or irritated, they can easily bleed due to the underlying inflammation and the buildup of skin cells that occurs with the condition. Psoriasis is an autoimmune disorder, which means that the immune system mistakenly attacks healthy skin cells, leading to rapid reproduction of skin cells and the formation of these characteristic plaques. The other skin conditions mentioned differ from psoriasis in both symptoms and underlying causes. Eczema, for example, typically leads to dry, itchy, and inflamed skin, but it does not usually present with the thick, scaly patches that bleed. Psycho-dermatitis is linked more to emotional stressors affecting the skin, rather than the chronic and often painful presentations seen in psoriasis. Dermatitis herpetiformis is related to gluten sensitivity and often presents with itchy blisters rather than scaly patches. These distinctions help underscore why psoriasis is the most accurate answer for the given symptoms.

Dermatitis herpetiformis

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