This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
[{'content': "Loffler's medium is - \nSelect and explain. \nA. Indicator medium, B. Selective medium, C. Enrichment medium, D. Enriched medium", 'role': 'user'}, {'content': 'Answer: D \nExplanation: When a basal medium is added with some nutrients such as blood, serum, egg, it is called enriched medium Loeffler serum slope - serum is added for enriching the medium is used for grouping Corynebacterium diphtheriae REF:a textbook of Microbiology Dr.C.P.Baveja 4th Edition pg no: 43', 'role': 'assistant'}]