Autonomic Pharmacology USMLE Step 1 Practice Questions
53 board-style USMLE Step 1 questions in Pharmacology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · medium25. A 34-year-old man with generalized anxiety disorder has been taking propranolol 80 mg daily for 2 weeks with good symptom control. He discontinues the medication abruptly withou…
- USMLE Step 1 · hard26. A 58-year-old woman with open-angle glaucoma has been taking timolol 0.5% eye drops twice daily for 2 years. She presents to clinic with a 3-week history of maculopapular rash o…
- USMLE Step 1 · medium27. A 52-year-old man with COPD and hypertension started an antihypertensive medication one week ago. He now presents with a persistent, nonproductive cough that began three days af…
- USMLE Step 1 · medium28. A 55-year-old woman with chronic stable angina presents with fatigue, difficulty concentrating, and depressed mood that began 2 weeks after her cardiologist started metoprolol s…
- USMLE Step 1 · hard29. A 52-year-old man presents with a 6-week history of worsening erectile dysfunction despite initiating sildenafil 50 mg daily. His past medical history includes hypertension trea…
- USMLE Step 1 · hard30. A 65-year-old woman with narrow-angle glaucoma presents to ophthalmology for routine examination. She is accidentally instilled with tropicamide 1% eye drops. Within 30 minutes,…
- USMLE Step 1 · easy31. A 62-year-old man presents to the clinic with a 6-month history of hesitancy, weak urinary stream, and nocturia 3-4 times per night. He denies dysuria, hematuria, or abdominal p…
- USMLE Step 1 · medium32. A 58-year-old man with hypertension and a 3-year history of erectile dysfunction presents to his cardiologist, who initiates lisinopril 10 mg daily. Vital signs show BP 148/92 m…
- USMLE Step 1 · hard33. A 42-year-old woman with generalized anxiety disorder presents with recurrent episodes of palpitations, tremor, and diaphoresis triggered by work-related stress. Vital signs sho…
- USMLE Step 1 · hard34. A 35-year-old woman with myasthenia gravis treated with pyridostigmine presents to the emergency department with acute onset of generalized weakness, diplopia, and respiratory d…
- USMLE Step 1 · hard35. A 45-year-old man presents with sudden severe headache, profuse diaphoresis, and palpitations. Vital signs: BP 220/140 mmHg, HR 118/min, RR 16/min, Temp 37.2°C. Labs show elevat…
- USMLE Step 1 · medium36. A 55-year-old woman with a 10-year history of hypertension and angina pectoris is started on labetalol 200 mg twice daily. She also has mild persistent asthma managed with albut…
- USMLE Step 1 · medium37. A 62-year-old man with benign prostatic hyperplasia presents with a 6-month history of urinary hesitancy, weak urinary stream, and incomplete bladder emptying. His blood pressur…
- USMLE Step 1 · hard38. A 63-year-old man with a history of hypertension and hyperlipidemia presents to the emergency department with crushing substernal chest pain radiating to his jaw that began 90 m…
- USMLE Step 1 · medium39. A 74-year-old man is brought to the intensive care unit following emergency exploratory laparotomy for perforated diverticulitis with fecal peritonitis. He has a history of hype…
- USMLE Step 1 · medium40. A 68-year-old man with decompensated systolic heart failure is admitted for cardiogenic shock after a large myocardial infarction. His blood pressure is 82/50 mmHg, heart rate i…
- USMLE Step 1 · medium41. A 16-year-old girl develops generalized urticaria, angioedema of the lips, and audible wheezing minutes after ingesting peanuts at a school cafeteria. Vital signs show BP 88/54…
- USMLE Step 1 · medium42. A 32-year-old woman with newly diagnosed Graves disease presents with tremor, palpitations, and anxiety. Vital signs show BP 148/92 mmHg, HR 112 bpm, RR 18, temperature 37.8°C,…
- USMLE Step 1 · medium43. A 43-year-old woman presents with episodic headaches, diaphoresis, and palpitations. During an acute episode, vital signs show BP 198/112 mm Hg, HR 118/min, RR 20/min, and temp…
- USMLE Step 1 · easy44. A 71-year-old man presents with urinary hesitancy, weak stream, and nocturia. Vital signs: BP 138/82 mmHg, HR 78/min, RR 16/min. Digital rectal examination reveals an enlarged,…
- USMLE Step 1 · medium45. A 30-year-old woman at 26 weeks gestation presents to her obstetrician for a routine prenatal visit and is found to have persistent blood pressures of 156/98 mm Hg on three sepa…
- USMLE Step 1 · medium46. A 52-year-old man with resistant hypertension uncontrolled on lisinopril and hydrochlorothiazide is started on a centrally acting sympatholytic agent at 0.1 mg twice daily. Two…
- USMLE Step 1 · medium47. A 24-year-old man with allergic rhinitis uses an over-the-counter nasal spray containing oxymetazoline, a selective α1-agonist, three times daily for 5 days and develops rebound…
- USMLE Step 1 · easy48. A 57-year-old woman presents for routine ophthalmologic examination. Vital signs are stable: BP 128/82 mmHg, HR 78 bpm, RR 16/min, temperature 37.2°C. The ophthalmologist instil…