A patient has fever, difficulty breathing, chest pains, fluid in the alveoli, and a positive tuberculin skin test. Gram- positive cocci are isolated from the sputum. The patient most likely has

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The symptoms suggest a respiratory infection, and the presence of fluid in the alveoli and positive tuberculin skin test suggest pneumonia. Gram-positive cocci are commonly associated with pneumococcal pneumonia, caused by Streptococcus pneumoniae. The other options, such as influenza or mycoplasmal pneumonia, may also cause respiratory symptoms but may not have the same typical bacterial isolate in the sputum.

A Patient Has Fever, Difficulty Breathing, Chest Pains, Fluid in the Alveoli