Pulmonary Embolism 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 · medium1. A 34-year-old woman is admitted to the hospital after sustaining a displaced right femoral fracture in a motor vehicle accident. She undergoes open reduction and internal fixati…
- USMLE Step 1 · hard2. A 42-year-old woman with a history of provoked pulmonary embolism 8 months ago presents to the emergency department with acute onset dyspnea and hemoptysis. She has been on warf…
- USMLE Step 1 · medium3. A 38-year-old woman with unprovoked DVT (diagnosed off oral contraceptives) presents with acute dyspnea and pleuritic chest pain. Vital signs: BP 128/82, HR 102, RR 22, SpO2 92%…
- USMLE Step 1 · hard4. A 64-year-old man presents to the emergency department 5 days after open reduction and internal fixation of a femoral neck fracture. He reports sudden onset of dyspnea and pleur…
- USMLE Step 1 · easy5. A 56-year-old woman with no significant past medical history presents to the emergency department with acute onset dyspnea and chest discomfort that began 2 hours ago while sitt…
- USMLE Step 1 · easy6. A 72-year-old man with a history of DVT 2 years ago (treated with 6 months of warfarin) presents with acute dyspnea. Clinical pretest probability for PE is high. D-dimer is 3.2…
- USMLE Step 1 · medium7. A 45-year-old woman with metastatic breast cancer on active chemotherapy presents with acute dyspnea and pleuritic chest pain. Vital signs show BP 118/76, HR 108, RR 22, SpO2 88…
- USMLE Step 1 · medium8. A 68-year-old man with COPD presents to the emergency department with acute dyspnea and pleuritic chest pain that began 3 days after discharge from hospitalization for community…
- USMLE Step 1 · medium9. A 34-year-old woman with a history of migraine headaches presents to the emergency department with acute-onset dyspnea and presyncope. She reports using combined oral contracept…
- USMLE Step 1 · medium10. A 52-year-old woman with atrial fibrillation (not anticoagulated) presents to the emergency department with sudden onset dyspnea, right-sided pleuritic chest pain, and blood-tin…
- USMLE Step 1 · medium11. A 67-year-old man with chronic atrial fibrillation not on anticoagulation presents with acute dyspnea and syncope. Vital signs: BP 92/58, HR 118, RR 28, SpO2 88% on room air. Ch…
- USMLE Step 1 · easy12. A 45-year-old woman presents with acute onset dyspnea and pleuritic chest pain 3 days after total knee arthroplasty. Vital signs show tachycardia (110 bpm) and tachypnea (24/min…
- USMLE Step 1 · medium13. A 38-year-old primigravida at 12 weeks gestation presents with acute dyspnea and pleuritic chest pain. Vital signs show BP 128/82 mmHg, HR 118/min, RR 22/min, SpO2 88% on room a…
- USMLE Step 1 · medium14. A 52-year-old man with a 10 pack-year smoking history presents to the emergency department with acute onset dyspnea and pleuritic chest pain for 3 hours. He reports no leg swell…
- USMLE Step 1 · hard15. A 28-year-old woman with a 4-year history of systemic lupus erythematosus (SLE) presents to the emergency department with acute onset dyspnea and pleuritic chest pain that began…
- USMLE Step 1 · hard16. A 71-year-old man with COPD and cor pulmonale presents with acute dyspnea and syncope. Chest X-ray shows cardiomegaly and pulmonary congestion. Arterial blood gas reveals PaO2 5…
- USMLE Step 1 · medium17. A 34-year-old woman with a history of migraine without aura is evaluated in the emergency department for acute dyspnea and pleuritic chest pain. She has been on combined oral co…
- USMLE Step 1 · medium18. A 55-year-old woman with metastatic breast cancer on active chemotherapy presents with acute left calf swelling and erythema. Vital signs: BP 128/82, HR 102, RR 18, Temp 37.2°C,…
- USMLE Step 1 · medium19. A 67-year-old man with a history of stage IIIB lung cancer presents to the emergency department with acute onset dyspnea and hemoptysis. He underwent chemotherapy 2 weeks ago. V…
- USMLE Step 1 · easy20. A 42-year-old woman with a 3-week history of oral contraceptive use presents with acute onset dyspnea, right-sided pleuritic chest pain, and tachycardia. Arterial blood gas show…
- USMLE Step 1 · hard21. A 65-year-old man with a 40 pack-year smoking history and GOLD stage 4 COPD presents to the emergency department with acute dyspnea. His wife reports he has had progressive exer…
- USMLE Step 1 · hard22. A 70-year-old man with a history of hypertension and stage 3b chronic kidney disease (eGFR 28 mL/min/1.73m²) presents to the emergency department with acute dyspnea and pleuriti…
- USMLE Step 1 · medium23. A 58-year-old man with a 2-week history of pancreatic cancer presents to the emergency department with acute onset dyspnea. He reports that 3 days ago he underwent a percutaneou…
- USMLE Step 1 · medium24. A 42-year-old woman with no prior thromboembolism presents with sudden-onset pleuritic chest pain, dyspnea, and syncope. Vital signs show BP 95/62, HR 118, RR 24, SpO2 88% on ro…