Behavioral Science & Ethics USMLE Step 1 Practice Questions
76 board-style USMLE Step 1 questions in Biostatistics & Behavioral Science. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · medium1. A 77-year-old woman with a history of mild cognitive impairment is brought to the emergency department by her daughter with acute-onset confusion and agitation over the past 4 h…
- USMLE Step 1 · hard2. A 19-year-old male with no past psychiatric history presents to the emergency department with acute agitation, paranoia, and visual hallucinations. He is started on haloperidol…
- USMLE Step 1 · medium3. A 27-year-old man presents to the emergency department with his third episode of acute-onset palpitations, chest discomfort, and a sensation of impending doom over the past 2 mo…
- USMLE Step 1 · hard4. A 47-year-old woman with no prior psychiatric history presents to the emergency department with her husband, who reports acute onset of disorganized speech, visual hallucination…
- USMLE Step 1 · medium5. A 9-year-old girl is brought to the pediatrician by her adoptive parents for evaluation of academic difficulties that began 7 weeks ago. Her third-grade teachers report that she…
- USMLE Step 1 · medium6. A 14-year-old boy is brought to the office by his mother after she discovered a marijuana cigarette in his bedroom. The mother is very concerned and worried this indicates her s…
- USMLE Step 1 · hard7. A 77-year-old man presents to clinic with his daughter for results of neuropsychological testing performed to evaluate progressive memory loss over the past 2 months. The testin…
- USMLE Step 1 · medium8. A 42-year-old woman presents to the clinic with her husband, who reports that she has become increasingly withdrawn, tearful, and hopeless over the past 8 weeks. She has a 10-ye…
- USMLE Step 1 · medium9. A 10-year-old boy is brought to the physician because of increasing behavior problems in school since starting 5th grade 3 months ago. His teacher states that he is unable to si…
- USMLE Step 1 · medium10. An 18-year-old woman presents to her primary care physician with a 3-week history of depressed mood, anhedonia, insomnia, and significant fatigue. She reports decreased appetite…
- USMLE Step 1 · medium11. A 9-year-old boy is brought to clinic by his mother for evaluation of school refusal. For the past 3 months, he has cried and complained of stomachaches each morning before scho…
- USMLE Step 1 · hard12. A 47-year-old man with a 20-year history of schizophrenia is brought to the emergency department by paramedics after being found rummaging through dumpsters in an alley. He repo…
- USMLE Step 1 · medium13. A 52-year-old woman presents to her primary care physician 8 weeks after her husband's death from myocardial infarction. She reports experiencing daily headaches described as a…
- USMLE Step 1 · medium14. A 3-year-old girl is brought to the office by her parents who express concern about their daughter's behavior. They report that she frequently refuses to comply with requests, t…
- USMLE Step 1 · medium15. A 27-year-old woman with a history of intravenous heroin use is brought to the emergency department by paramedics after being found unresponsive in her apartment. Her roommate s…
- USMLE Step 1 · medium16. A 45-year-old man presents to his primary care physician accompanied by his wife. Three days ago, he was passed over for promotion at work, which he had anticipated receiving. S…
- USMLE Step 1 · medium17. A 57-year-old man presents with his wife for evaluation of progressive daytime somnolence. He reports falling asleep during meetings at work and while driving to his office. His…
- USMLE Step 1 · hard18. A 32-year-old woman with a history of daily alcohol use is brought to the emergency department by her roommate who found her acutely confused and agitated this morning. The pati…
- USMLE Step 1 · easy19. A 10-year-old boy presents with fatigue and pallor. Laboratory studies reveal microcytic anemia with serum iron of 35 mcg/dL and ferritin of 12 ng/mL, consistent with iron defic…
- USMLE Step 1 · easy20. A 16-month-old boy is brought to the pediatric clinic by his mother for a well-child visit. She expresses concern that he did not walk independently until 14 months of age, noti…
- USMLE Step 1 · medium21. A 38-year-old man presents with a 6-week history of depressed mood, poor concentration, and insomnia. He reports that his mood has been persistently low for the past 4 years fol…
- USMLE Step 1 · medium22. A 36-year-old Native American man presents for annual preventive care. He is married, works in technology, and reports excellent adherence to exercise and a balanced diet. His f…
- USMLE Step 1 · hard23. A prospective cohort study evaluates a novel minimally invasive technique for total knee arthroplasty. The primary outcome is functional improvement at 12 months postoperatively…
- USMLE Step 1 · easy24. A 28-year-old woman with panic disorder is started on paroxetine 20 mg daily. After 2 weeks of treatment, she reports decreased libido and delayed orgasm. When the prescriber ex…