This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Which of the following are pruritic lesions – a) Lichen planusb) Sun burnsc) Pemphigoidd) Psoriasise) SLE \nSelect and explain. \nA. ab, B. bc, C. abc, D. bcd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Diseases causing mild or no itching :- Psoriasis, Pityriasis rosea, SLE, parapsoriasis, Secondary syphilis, Pemphigus.\nit diseases causing moderate itching :- Contact dermatitis, Dry skin, Bullous pemphigoid, Photosensitivity (sunburn).\nDiseases causing severe itching :- Lichen planus, Lichen simplex chronicus, Herpes gestationis, Mastocytosis, Dermatitis herpetiformis, scabies, Prurigo nodularis.', 'role': 'assistant'}]