This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'Pneumactocele is commnly found in case of- \nSelect and explain. \nA. Pneumocystis jirovecii pneumonia, B. Staphylococal pneumonia, C. Klebsiella pneumonia, D. Pseudomonas pneumonia', 'role': 'user'}, {'content': "Answer: A \nExplanation: Pneumocystis jirovecii pneumonia can present with progressive dyspnoea,dry cough & fever.Chest X ray shows bilateral interstitial infiltrate spreading out from hilar region.High resolution CT is more sensitive,showing typical 'ground-glass 'interstitial infiltrates.Pneumatocoeles can occur and may rupture,resulting in a pneumothorax.Treatment is with high dose co-trimoxazole,together with adjunctive steroids. Reference:Davidson's Medicine-22nd edition,page no:400.", 'role': 'assistant'}]