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: Unknown
[{'content': 'The following feature is most commonly seen in \nSelect and explain. \nA. Actinic keratoses, B. Seborrheic keratoses, C. Molluscum contagiosum, D. Basal cell carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Parakeratasis\xa0is appearance of nuclei in the stratum corneum, which is normally nonnucleated cell layer. It can be a result of incomplete differentiation in keratinocytes or of reduced transit time.\xa0Clinically parakeratosis manifests as scaling, which is typical of papulosquamous disorders.\xa0\nActinic keratosis\xa0shows atypical pleomorphic keratinocytes in the basal layer, over which acanthosis, hyperkeratosis, and parakeratosis are also found.\xa0\nSeborrheic keratosis\xa0is characterized by uniform basaloid cells, keratin cysts, and a large number of melanocytes.', 'role': 'assistant'}]