Q1 · Psoriasis
NEET PGEasyWell-defined red plaques with silvery-white scales on the extensor surfaces such as elbows and knees, and on the scalp, are characteristic of?
Explanation
Psoriasis produces well-demarcated erythematous plaques with silvery scale, typically on extensor surfaces and the scalp. Removing the scale reveals pinpoint bleeding, the Auspitz sign. It is a chronic immune-mediated condition.