MCQs on Nocardia spp and Streptomyces spp 1. What is the primary habitat of Nocardia spp and Streptomyces spp? a) Air b) Human skin c) Human gut flora d) Soil 2. Nocardia spp. are typically: a) Facultative anaerobes b) Microaerophilic c) Strict anaerobes d) Strict aerobes 3. A 48-year-old male comes to the emergency department with a two-week history of worsening respiratory symptoms. He reports a persistent cough with yellow-green sputum production, shortness of breath, and chest pain. He also mentions fatigue and unintentional weight loss during this period. Upon examination, the patient appears unwell and is febrile with a temperature of 101.5°F. His respiratory rate is increased, with decreased breath sounds on the right side of the chest. A chest X-ray reveals a large right lower lobe infiltrate with cavitation. Blood tests show an elevated white blood c...