Asthma USMLE Step 1 Practice Questions
55 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 · hard25. A 49-year-old man is admitted with severe acute pancreatitis. Two days later he develops worsening hypoxemia and requires mechanical ventilation. Chest radiograph shows diffuse…
- USMLE Step 1 · medium26. A 57-year-old man with severe periodontal disease and alcohol use disorder has 2 weeks of fever, weight loss, pleuritic chest pain, and foul smelling sputum. Chest imaging shows…
- USMLE Step 1 · medium27. A 38-year-old man with untreated HIV presents with progressive dyspnea, nonproductive cough, and fever for 3 weeks. Vitals: BP 118/76, HR 102, RR 24, Temp 38.5°C, SpO2 88% on ro…
- USMLE Step 1 · medium28. A 62-year-old man with alcohol use disorder and poorly controlled diabetes (HbA1c 9.2%) presents with fever (39.1°C), dyspnea, and productive cough. Vitals show BP 128/82, HR 10…
- USMLE Step 1 · medium29. A 20-year-old college student living in a dormitory presents with a 10-day history of dry cough, malaise, and headache. Vital signs show temperature 38.2°C, heart rate 92 bpm, r…
- USMLE Step 1 · medium30. A 55-year-old man presents 3 days after attending a large hotel convention with high fever (39.2°C), productive cough, diarrhea, confusion, and progressive shortness of breath.…
- USMLE Step 1 · easy31. A 29-year-old tall thin man suddenly develops severe pleuritic chest pain and dyspnea while playing basketball. In the emergency department he is tachycardic, hypotensive, and h…
- USMLE Step 1 · medium32. A 63-year-old man with a history of asthma presents with fever (38.5°C), pleuritic chest pain, and dyspnea. Vital signs show BP 128/82 mmHg, HR 102/min, RR 22/min, and SpO2 92%…
- USMLE Step 1 · hard33. A 61-year-old man with a history of Hodgkin lymphoma underwent mediastinal radiation therapy 7 months ago. He now presents with progressive dyspnea and dry cough. Vital signs sh…
- USMLE Step 1 · hard34. A 44-year-old aerospace engineer with a 3-year history of progressive dyspnea and chronic cough presents with vital signs: BP 128/82, HR 92, RR 22, SpO2 88% on room air, and afe…
- USMLE Step 1 · medium35. A 56-year-old man with 25 years of sandblasting exposure presents with progressive dyspnea, cough, and chest tightness. Vital signs: BP 138/82, HR 92, RR 22, SpO2 88% on room ai…
- USMLE Step 1 · medium36. A 34-year-old African American woman presents with a 3-month history of dry cough, fatigue, and erythema nodosum. Vital signs show BP 118/76, HR 88, RR 18, temp 37.2°C, SpO2 98%…
- USMLE Step 1 · hard37. A 46-year-old woman with a body mass index of 43 kg per m2 has excessive daytime sleepiness, morning headaches, and exertional dyspnea. Arterial blood gas while awake shows PaO2…
- USMLE Step 1 · medium38. A 48-year-old woman with systemic sclerosis presents with progressive dyspnea, tight shiny skin over her fingers, and positive anti-topoisomerase I antibodies. Vital signs show…
- USMLE Step 1 · medium39. A 9-year-old boy with neonatal meconium ileus presents with recurrent pneumonia, chronic productive cough, steatorrhea, and poor weight gain. Vital signs: HR 102/min, RR 24/min,…
- USMLE Step 1 · medium40. A 29-year-old woman with mild persistent asthma presents with acute-onset bronchospasm, nasal congestion, and urticaria 30 minutes after taking ibuprofen for menstrual cramps. V…
- USMLE Step 1 · easy41. A 17-year-old girl with episodic wheezing, chest tightness, and cough triggered by cat exposure and exercise presents with HR 102 bpm, RR 22/min, and SpO2 98% on room air. Sympt…
- USMLE Step 1 · medium42. A 67-year-old man with severe lobar pneumonia presents with profound hypoxemia (SpO2 78% on room air). Vital signs show BP 142/88, HR 118, RR 28, Temp 39.2°C. Chest X-ray demons…
- USMLE Step 1 · easy43. A 22-year-old previously healthy man presents with acute dyspnea and wheezing. Vital signs: BP 118/76 mmHg, HR 112/min, RR 28/min, temperature 37.2°C, SpO2 92% on room air. Ches…
- USMLE Step 1 · hard44. A 63-year-old man with progressive exertional dyspnea has bibasilar crackles and clubbing. Pulmonary function tests show reduced total lung capacity and reduced DLCO. During tre…
- USMLE Step 1 · easy45. A 26-year-old woman presents in winter with headache, dizziness, and nausea after using a faulty gas heater. Vital signs: BP 118/76, HR 102, RR 20, Temp 37.2°C, SpO2 98%. Physic…
- USMLE Step 1 · easy46. A 32-year-old man is brought to the emergency department after heroin overdose. Vital signs show BP 98/62, HR 52, RR 6, temperature 35.8°C, SpO2 84% on room air. Arterial blood…
- USMLE Step 1 · easy47. A 24-year-old man with acute asthma exacerbation presents with wheezing and dyspnea. Vital signs show BP 128/82 mmHg, HR 112/min, RR 28/min, temperature 37.2°C, and SpO2 89% on…
- USMLE Step 1 · medium48. A premature infant born at 27 weeks gestation required prolonged mechanical ventilation and high concentration supplemental oxygen for severe neonatal respiratory distress syndr…