Pneumonia USMLE Step 1 Practice Questions
53 board-style USMLE Step 1 questions in Pulmonology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · medium1. A 28-year-old previously healthy woman presents to the emergency department with a 3-day history of fever, productive cough, and sharp pleuritic chest pain. She reports mild dys…
- USMLE Step 1 · medium2. A 72-year-old man with COPD presents with 3 days of productive cough, fever to 38.5°C, and dyspnea. Chest X-ray shows a left lower lobe consolidation. Sputum culture grows gram-…
- USMLE Step 1 · hard3. A 68-year-old man with type 2 diabetes mellitus presents to the hospital with a 3-day history of fever, productive cough with purulent sputum, and progressive dyspnea. He was ho…
- USMLE Step 1 · medium4. A 42-year-old woman with rheumatoid arthritis treated with methotrexate presents to the hospital with a 3-week history of productive cough, fever (38.5°C), and progressive dyspn…
- USMLE Step 1 · medium5. A 55-year-old man who aspirated gastric contents during endoscopy develops fever and foul-smelling sputum 3 days later. Vital signs: BP 128/82, HR 102, RR 22, Temp 38.9°C, SpO2…
- USMLE Step 1 · easy6. A 35-year-old immunocompromised man with CD4 count of 45 cells/μL presents with progressive dyspnea, fever (38.8°C), and dry cough for 2 weeks. Vital signs show BP 118/76 mmHg,…
- USMLE Step 1 · medium7. A 72-year-old man with a 15-year history of COPD (baseline FEV₁ 35% predicted) presents to the emergency department with a 3-day history of productive cough with purulent sputum…
- USMLE Step 1 · medium8. A 19-year-old previously healthy male college student presents to the emergency department with a 2-day history of fever, severe headache, and neck stiffness. He reports that th…
- USMLE Step 1 · hard9. A 32-year-old woman at 28 weeks gestation presents to the emergency department with a 3-day history of fever, productive cough with purulent sputum, and progressive dyspnea. She…
- USMLE Step 1 · medium10. A 55-year-old man with poorly controlled diabetes and chronic alcoholism presents with fever (39.2°C), productive cough with foul-smelling purulent sputum, and dyspnea. Vital si…
- USMLE Step 1 · medium11. A 34-year-old man with HIV infection presents to the emergency department with a 3-week history of progressive dyspnea and nonproductive cough. He reports subjective fever and n…
- USMLE Step 1 · medium12. A 6-year-old boy with no significant past medical history presents to the emergency department with a 3-day history of fever (39.5°C), productive cough, and right-sided pleuriti…
- USMLE Step 1 · medium13. A 45-year-old man is admitted to the ICU following complicated abdominal surgery with anastomotic repair. On hospital day 5, he develops fever (38.9°C), tachycardia (heart rate…
- USMLE Step 1 · medium14. A 28-year-old previously healthy woman presents to the emergency department with a 5-day history of fever (39.2°C), nonproductive cough, headache, myalgias, and malaise. She wor…
- USMLE Step 1 · easy15. A 72-year-old man with COPD presents with acute dyspnea and productive cough with rusty sputum. Vital signs show temperature 39.2°C, heart rate 108/min, blood pressure 142/88 mm…
- USMLE Step 1 · hard16. A 70-year-old woman with atrial fibrillation not on anticoagulation presents with acute-onset fever (39.2°C), pleuritic chest pain, and a new diastolic murmur. Vital signs show…
- USMLE Step 1 · medium17. A 62-year-old man with poorly controlled type 2 diabetes mellitus presents to the emergency department with a 3-day history of fever, productive cough with purulent sputum, and…
- USMLE Step 1 · hard18. A 45-year-old woman with a 3-year history of biopsy-confirmed pulmonary sarcoidosis presents to the emergency department with a 5-day history of fever (38.8°C), progressive dysp…
- USMLE Step 1 · medium19. A 34-year-old man with untreated HIV presents with 3 weeks of progressive dyspnea, nonproductive cough, and chest tightness. He reports fever to 38.5°C. Vital signs show HR 102/…
- USMLE Step 1 · medium20. A 65-year-old man with a history of chronic obstructive pulmonary disease is hospitalized following elective abdominal surgery. On postoperative day 8, he develops fever (38.9°C…
- USMLE Step 1 · medium21. A 28-year-old woman with no significant past medical history presents to the emergency department with a 5-day history of fever, nonproductive cough, and generalized malaise. Sh…
- USMLE Step 1 · medium22. A 32-year-old woman with HIV presents to the emergency department with a 2-week history of progressive dyspnea, fever, and nonproductive cough. She reports no antiretroviral the…
- USMLE Step 1 · hard23. A 55-year-old man with COPD presents to the emergency department with a 5-day history of fever (38.9°C), productive cough with purulent sputum, dyspnea, and right-sided pleuriti…
- USMLE Step 1 · hard24. A 42-year-old male presents to the emergency department with a 5-day history of productive cough, fever, and acute right-sided pleuritic chest pain. He reports dyspnea on exerti…