This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'A false negative tuberculin reaction may be obtained in all of the following situations except \nSelect and explain. \nA. Children previously tested with tuberculin test, B. Post measles test, C. Coicosteroids therapy, D. Miliary tuberculosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ref Robbins 9/e p371 Children previously tested with tuberculin test may show a false positive tuberculin test false negative mantoux test Sarcoidosis Malnutrition Hodgkin's lymphoma Immunosupression Fulminant TB To", 'role': 'assistant'}]