True statement about Pneumocystic Jiroveci is:
High-Yield Explanation
Pneumocystis Jiroveci is usually diagnosed by sputum examination. Ref: Medical Microbiology By Jawetz, 24th Edition, Pages 648-49; Washington Manual of Pulmonary Medicine, 2006, Page 104; Pneumocystis Pneumonia By Walzer, Cushion, 3rd Edition, Page 418; Harrison's Principles of Internal Medicine, 16th Edition, Pages 1194-95