This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Alopecia, Subject name: Skin
[{'content': 'A female patient presents with patchy hair loss with normal looking skin on scalp. Diagnosis is? \nSelect and explain. \nA. Tinea capitis, B. Cicatricial alopecia, C. Alopecia areata, D. Telogen effluvium', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Alopecia areata * Alopecia areata is characterized by patchy hair loss with normal skin. There is no atrophy or scarring.Points in favor arei) Diffuse hair fallii) History of accident with blood loss (stress)iii) Hair loss after 5 months of accident", 'role': 'assistant'}]