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': 'Mycoplasma pneumonia is characterised by all except? \nSelect and explain. \nA. Diagnosed by serum cold antibody, B. Treatment is erythromycin, C. Cannot be cultured from sputum, D. Raised ESR', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Can not be cultured from sputum . Laboratory diagnosis of mycoplasmal primary atypical pneumonia may be established either by isolation of the mycoplasma or by serological methods. . Mycoplasma can be cultured in fluid or solid media. A widely used isolation medium is PPLO broth. . Specimens are : Throat swabs 3. Inflammatory exudates Sputum 4. Respiratory secretions Treatment of Mycoplasma pneumonia About other options . In a patient with a compatible clinical picture, a cold agglutinin titre of 1 : 32 suppos the diagnosis of mycoplasma pneumonia. . Cold agglutinins are nonspecific but develop within the first 7 to 10 days. . The test can also be performed at the bedside. . ESR, may be raised in 50% of the patients.", 'role': 'assistant'}]