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: Pathology
[{'content': 'Acanthosis nigricans can occurs due to ? \nSelect and explain. \nA. Increased multiplication of basal cells, B. Comification of basal cells, C. Keratinisation of epidermal cells, D. All', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Keratinization of epidermal cellsHistological features of Acanthosis nigricanso Hyperplasia of stratum spinosum of the epidermis.o Hyperkeratosis ---> Thickening of Stratum corneum of epidermis (Cornification of epidermis).Slight basal cell hyperpigmentation", 'role': 'assistant'}]