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 · hard1. An investigator is developing a drug that results in contraction of the pupillary dilator muscle when instilled topically. The drug works by increasing neurotransmitter release…
- USMLE Step 1 · medium2. A 62-year-old man with benign prostatic hyperplasia presents with progressive urinary hesitancy, weak stream, and incomplete bladder emptying over 6 months. His blood pressure i…
- USMLE Step 1 · medium3. A 72-year-old man with a 5-year history of benign prostatic hyperplasia and hypertension presents to the emergency department with syncope that occurred 30 minutes after taking…
- USMLE Step 1 · medium4. A 62-year-old man presents to his primary care physician with a 2-year history of progressive urinary symptoms including hesitancy, weak urinary stream, and nocturia (3-4 times…
- USMLE Step 1 · medium5. A 50-year-old man with overactive bladder is started on oxybutynin 5 mg twice daily for urge incontinence. Two weeks later, he presents to the emergency department with constipa…
- USMLE Step 1 · hard6. A 55-year-old man with a 10-year history of hypertension presents to clinic for follow-up. His blood pressure has been well controlled on lisinopril 10 mg daily (current BP 128/…
- USMLE Step 1 · medium7. A 45-year-old woman with open-angle glaucoma presents to the ophthalmology clinic for a follow-up visit. She reports new-onset blurred vision and bilateral leg cramps that began…
- USMLE Step 1 · easy8. A 62-year-old man with a history of hypertension presents to the emergency department with a 3-week history of progressive dyspnea on exertion, orthopnea, and lower extremity ed…
- USMLE Step 1 · hard9. A 67-year-old man with a history of metastatic prostate cancer and known thoracic spinal cord compression presents to the emergency department with acute onset paraplegia and ur…
- USMLE Step 1 · medium10. A 28-year-old woman with generalized anxiety disorder started on phenelzine 45 mg daily three weeks ago presents with severe occipital headache, neck stiffness, and diaphoresis.…
- USMLE Step 1 · hard11. A 55-year-old man with a 10-year history of COPD presents to the emergency department with acute-onset wheezing, dyspnea, and chest tightness. Vital signs are BP 210/130 mmHg, H…
- USMLE Step 1 · hard12. A 45-year-old man with no significant past medical history undergoes elective knee arthroscopy under general anesthesia. After receiving succinylcholine 1.5 mg/kg IV for rapid s…
- USMLE Step 1 · medium13. A 72-year-old woman with systolic heart failure and newly diagnosed atrial fibrillation presents with dizziness and two episodes of syncope upon standing over the past week. Two…
- USMLE Step 1 · medium14. A 68-year-old man with hypertension presents to the emergency department 2 hours after taking his first dose of a newly prescribed antihypertensive medication. He reports a sudd…
- USMLE Step 1 · hard15. A 44-year-old male construction worker is brought to the emergency department 90 minutes after acute exposure to an organophosphate pesticide. He presents with severe diaphoresi…
- USMLE Step 1 · medium16. A 29-year-old man with generalized anxiety disorder started on propranolol 80 mg daily presents with improved palpitations and tremor. However, he continues experiencing excessi…
- USMLE Step 1 · medium17. A 47-year-old man with major depressive disorder started phenelzine 45 mg daily one month ago. He presents to the ED with severe occipital headache, chest pain, and diaphoresis…
- USMLE Step 1 · medium18. A 42-year-old man with hypertension and benign prostatic hyperplasia is started on doxazosin. Thirty minutes after the first dose, he experiences dizziness and syncope upon stan…
- USMLE Step 1 · medium19. A 72-year-old man with chronic constipation is prescribed loperamide for symptomatic relief. He takes oxybutynin daily for overactive bladder. Vital signs show BP 138/82, HR 78,…
- USMLE Step 1 · medium20. A 52-year-old man with Parkinson's disease is started on benztropine 2 mg daily to manage his motor symptoms. Two weeks later, he presents to clinic complaining of difficulty in…
- USMLE Step 1 · hard21. A 68-year-old man with hypertension and heart failure presents to clinic with a persistent dry cough that began 3 weeks after initiating lisinopril 10 mg daily. His vital signs…
- USMLE Step 1 · medium22. A 62-year-old man with a history of hypertension and stable angina pectoris is started on antihypertensive therapy. Two weeks later, he presents to clinic complaining of progres…
- USMLE Step 1 · medium23. A 68-year-old man with hypertension presents to the emergency department with acute onset chest pain, diaphoresis, and dyspnea. Vital signs are BP 210/135 mmHg, HR 125/min, RR 2…
- USMLE Step 1 · easy24. A 19-year-old college student presents with severe occipital headache, profuse diaphoresis, and substernal chest pain after consuming tyramine-rich aged cheese while taking an a…