Beta Blockers USMLE Step 1 Practice Questions
54 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. A 45-year-old man on long-term atenolol for hypertension abruptly discontinues the medication without consulting his physician. Within 48 hours, he presents with BP 210/130 mmHg…
- USMLE Step 1 · medium2. A 52-year-old man with a history of myocardial infarction 3 months prior presents to his cardiologist with persistent hypertension (BP 158/94 mmHg) and recurrent anginal chest p…
- USMLE Step 1 · medium3. A 61-year-old man with stable chronic heart failure and reduced ejection fraction (EF 32%) presents with dyspnea on exertion. Vital signs: BP 128/76 mmHg, HR 89 bpm, RR 18, SpO2…
- USMLE Step 1 · medium4. A 26-year-old woman presents with episodic palpitations, tremor, and diaphoresis before musical auditions. Vital signs show HR 108 bpm, BP 138/82 mmHg, RR 16, temp 37°C, and SpO…
- USMLE Step 1 · medium5. A 59-year-old man with open-angle glaucoma presents with intraocular pressure of 28 mmHg (normal <21 mmHg) on initial measurement. He is started on topical therapy. Vital signs…
- USMLE Step 1 · hard6. A 16-year-old boy undergoes emergency appendectomy. Shortly after induction with succinylcholine and sevoflurane, he develops rapidly increasing end-tidal CO2 (8.5 kPa), general…
- USMLE Step 1 · medium7. A 68-year-old man with hypertension and angina presents with dizziness and fatigue. Vital signs show BP 92/58 mmHg, HR 48 bpm, RR 14/min, temp 37°C, SpO2 98% on room air. He rep…
- USMLE Step 1 · hard8. A 27-year-old man with a hand abscess presents for incision and drainage. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 16/min, Temp 38.9°C, SpO2 98% on room air. Despite lidoc…
- USMLE Step 1 · hard9. A 31-year-old woman with bipolar disorder started lithium 6 months ago. She now reports excessive thirst and polyuria. Vital signs show HR 78/min, BP 118/76 mmHg, RR 14/min. Lab…
- USMLE Step 1 · hard10. A 34-year-old woman with a history of major depressive disorder, currently maintained on sertraline 100 mg daily, presents to the emergency department several hours after develo…
- USMLE Step 1 · easy11. A 32-year-old man with a history of hypertension treated with metoprolol presents unresponsive with pinpoint pupils, bradypnea (8 breaths/min), and decreased bowel sounds. Vital…
- USMLE Step 1 · medium12. A 46-year-old woman with rheumatoid arthritis takes methotrexate for disease control. Following an accidental overdose, she presents with severe oral ulcers, pancytopenia (WBC 2…
- USMLE Step 1 · hard13. A 19-year-old male college student is brought to the emergency department by his roommate after intentionally ingesting an entire bottle of aspirin approximately 2 hours ago fol…
- USMLE Step 1 · easy14. A 23-year-old woman presents to the emergency department 10 hours after intentional acetaminophen overdose. She reports nausea and right upper quadrant pain. Vital signs show BP…
- USMLE Step 1 · medium15. A 29-year-old woman with a mechanical mitral valve prosthesis becomes pregnant while taking an oral anticoagulant. Her obstetrician warns that continued use during the first tri…
- USMLE Step 1 · easy16. A 63-year-old woman is hospitalized for acute pulmonary embolism with HR 118/min, BP 136/88 mmHg, RR 22/min, and SpO2 88% on room air. She is started on intravenous anticoagulat…
- USMLE Step 1 · medium17. A 49-year-old man with severe hypertriglyceridemia (triglycerides 800 mg/dL) is started on a medication that activates PPARα, increases lipoprotein lipase activity, and reduces…
- USMLE Step 1 · medium18. A 52-year-old woman with mixed dyslipidemia and hypertension (BP 148/92 mmHg, HR 78) starts niacin for lipid lowering. Shortly after each dose, she develops intense facial flush…
- USMLE Step 1 · medium19. A 59-year-old man with coronary artery disease and hypertension (BP 145/92 mmHg, HR 68) starts high-intensity lipid-lowering therapy. Three months later, he reports proximal mus…
- USMLE Step 1 · hard20. A 78 year old man with systolic heart failure and atrial fibrillation develops nausea, confusion, and yellow tinged vision 1 week after starting a new medication. ECG shows freq…
- USMLE Step 1 · medium21. A 73-year-old man with a large intracerebral hemorrhage (CT head shows 40-mL hematoma) is given mannitol to rapidly decrease intracranial pressure. Currently, BP 165/95 mmHg, HR…
- USMLE Step 1 · medium22. A 46-year-old man with heart failure (EF 25%) presents with tender bilateral gynecomastia after 6 months of therapy. His vital signs show BP 118/76 mmHg, HR 58 bpm, RR 16, and t…
- USMLE Step 1 · medium23. A 70-year-old man with acute decompensated heart failure presents with dyspnea, orthopnea, and peripheral edema. Vital signs show BP 160/95 mmHg, HR 105/min, RR 22/min, and SpO2…
- USMLE Step 1 · medium24. A 55-year-old woman with a history of recurrent calcium oxalate kidney stones and mild hypertension is brought to her primary care physician for a routine follow-up visit. Her b…