This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dermatitis, Subject name: Dental
[{'content': 'A 17-year-old female presents with a pruritic rash around the wrist. Seen in \nSelect and explain. \nA. Herpes simplex, B. Shingles, C. Contact dermatitis, D. Seborrheic dermatitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Contact dermatitis causes pruritic plaques or vesicles localized to an area of contact. In this case, a bracelet or wristband would be the inciting agent. Dermatitis may have vesicles with weeping lesions. The process is related to direct irritation of the skin from a chemical or physical irritant. It may also be immune-mediated Zoster would be painful and occur in a dermatomal distribution. Herpes simplex produces grouped vesicles, but they are painful and also unlikely to occur around the wrist. Seborrheic dermatitis presents as red, scaly lesions over a circular area with lesions developing in the nasolabial folds, scalp, and retroauricular areas. Ref Harrison 20th edition pg 1245', 'role': 'assistant'}]