This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Skin
[{'content': 'Which of the following nutritional deficiencies is associated with perifollicular hemorrhage? \nSelect and explain. \nA. Vitamin C, B. Niacin, C. Vitamin B12, D. Zinc', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A. Vitamin CVitamin C deficiency, or scurvy, may lead to perifollicular hemorrhage, Niacin deficiency may result in a photo disturbed eruption, diarrhea, and psychiatric symptoms (diarrhea, dermatitis and dementia)Vitamin B12 may lead to glossitis with a shiny, painful tongue.Zinc deficiency may result in a periorifical dermatitis.', 'role': 'assistant'}]