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': 'Culture media for peussis is - \nSelect and explain. \nA. L-J medium, B. Chocolate media, C. Wilson blair medium, D. Bordet - Gengou medium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is \'d\' i.e., Bordet-Gengou medium B. peussis .Morphology - Gram negative - Coccobacillus - Capsulated - Non-motile - Bipolar metachromatic granules are present. . Culture - Strict aerobe - Bordet-Gengou glycerine potato-blood agar medium is commonly used. - Incorporation of diamidine fluoride and penicillin (Lacey\'s DFP medium) makes it more selective. - Transpo media a) Modified stua\'s medium b) Mischulow\'s charcol agar - Produces bisected pearls or mercury drops colones. - Confluent growth present and "aluminium paint" appearance. . Pathogenicity B. peussis causes peussis or whooping cough. . Laboratory diagnosis - Specimen The best specimen is collected by nasopharyngeal aspiration. - Culture Culture of nasopharyngeal secretions remains the gold standard of diagnosis. . Treatment DOC Macrolide (Erythromycin, Azithromycin, Clarithromycin) Alternative --111- Cotrimoxazole', 'role': 'assistant'}]