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': 'All are true about Acanthosis nigricans except \nSelect and explain. \nA. It is appearance of hyperpigmented skin lesions in flexural areas, B. It is associated with Type II DM, C. Histopathology shows presence of acanthosis & papillomatosis, D. Involvement of palms and roughening of palms is called as Tripe palms.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: "Acanthosis nigricans" is a misnomer as there is no acanthosis and only papillomatosis is seen on histopathological examination.', 'role': 'assistant'}]