An auto immune disease is:: (A) Pemphigus Vulgaris, (B) Psoriasis, (C) Lichen Planus, (D) Acne Vulgaris
Answer is A. A i.e. Pemphigus vulgarisDiseaseEtiologyPemphigusPemphigoid, Epidermolysis bullosa acquisitaAutoinimune(2Lichen planusInflamatory disorder of unknown originAcne vulgarisObstruction of pilo-sebaceous gland.QEpidermolysis bullosa congenitaPsoriasisGenetic diseaseQ of unknown originGenetic dsQ unknown (inflamatory) origin