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: Microbiology
[{'content': 'Which of the following is a rapid growth medium for Klebs-Loeffler Bacillus? \nSelect and explain. \nA. Cysteine-tellurite blood agar, B. Loeffler’s serum slope, C. Nutrient broth, D. None of these', 'role': 'user'}, {'content': "Answer: B \nExplanation: Klebs-Loeﬄer Bacillus is another name of Corynebacterium diphtheria.\n→ Enrichment is necessary.\n→ Selective media: Cysteine-Tellurite blood agar or Tinsdale medium.\n→ For rapid growth: Loeﬄer's serum slope (also for TB).\n→ Special stain to see granules - Albert's, Neisser's and Ponder's. Granules are also called as Polar\xa0bodies since arranged in poles.", 'role': 'assistant'}]