CNS Pharmacology USMLE Step 1 Practice Questions
55 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 · hard49. A 72-year-old man on warfarin 5 mg daily for atrial fibrillation develops community-acquired pneumonia and is prescribed erythromycin 500 mg four times daily. Three days later,…
- USMLE Step 1 · medium50. A 31-year-old woman with generalized seizure disorder and pulmonary tuberculosis presents with a positive pregnancy test despite consistent use of combined oral contraceptives f…
- USMLE Step 1 · medium51. A 23-year-old woman is brought to the emergency department after ingesting approximately 30 aspirin tablets two hours ago during an argument with her partner. She has tinnitus,…
- USMLE Step 1 · medium52. A 44-year-old man with newly diagnosed atrial fibrillation starts flecainide 100 mg twice daily. His physician explains that reaching steady state requires approximately 5 half-…
- USMLE Step 1 · easy53. A 58-year-old woman with chronic osteomyelitis has been receiving intravenous vancomycin for 10 days, with a trough level of 18 mcg/mL. Her temperature is 37.8°C, blood pressure…
- USMLE Step 1 · easy54. A 67-year-old man with a history of poorly controlled type 2 diabetes and a recently replaced mitral valve presents to the emergency department with a 5-day history of fever, ch…
- USMLE Step 1 · medium55. A 41-year-old woman is brought to the emergency department by her roommate after being found unresponsive on the couch approximately one hour ago. An empty prescription bottle l…