Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 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 son …
A case-control study examines the relationship between oral contraceptive use and venous thromboembolism (VTE) in women aged 25-45 years. Researchers enroll 200 women with newly di…
A 55-year-old man with a 20-year history of alcohol use disorder completes a 30-day inpatient rehabilitation program. Six months later, he maintains continuous abstinence verified …
A 45-year-old woman with stage 2 hypertension is enrolled in a randomized controlled trial comparing a new ACE inhibitor (lisinopril-amlodipine combination) to standard monotherapy…
A 58-year-old man with a 40 pack-year smoking history presents with a 3-month history of productive cough and occasional hemoptysis. Vital signs are stable and oxygen saturation is…
A 72-year-old man with stage IV pancreatic cancer and progressive cognitive decline from brain metastases is admitted to the hospital with sepsis. He is currently alert but increas…
A 45-year-old male with hypertension (BP 142/88, HR 98) involved in a motor vehicle accident litigation is examined. His medical record documents a previous myocardial infarction (…
A 10-year prospective cohort study enrolls 10,000 current smokers (mean age 55, smoking ≥1 pack daily for ≥30 years) and 10,000 age-matched never-smokers to assess lung cancer risk…
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 month…
A 28-year-old woman with generalized anxiety disorder presents to her psychiatrist reporting chronic worry, insomnia, and a heart rate of 92 bpm. The psychiatrist recommends sertra…
A 52-year-old cardiologist sees an average of 15 patients daily with hypertension. Over the past year, she has prescribed antihypertensive medications from Pharmacos Inc. in 60% of…
A 58-year-old cardiologist has published three peer-reviewed articles in the past 18 months documenting the superiority of a novel PCSK9 inhibitor for reducing cardiovascular event…
A 19-year-old male college student with cystic fibrosis presents to his pulmonologist with a 2-week history of productive cough, fever, and dyspnea. Spirometry shows FEV1 of 62% pr…
A 67-year-old woman with moderate-to-advanced Alzheimer disease is admitted to the hospital with aspiration pneumonia and acute hypoxic respiratory failure. She is currently intuba…
A 7-year-old boy with acute lymphoblastic leukemia currently receiving chemotherapy presents to clinic with vital signs: BP 105/68, HR 92, RR 20, Temp 37.1°C, SpO2 98%. Recent labs…
A local health department identifies 12 cases of hepatitis A (ALT 850 U/L, anti-HAV IgM positive) linked to a restaurant over 10 days. Affected patients present with jaundice, feve…
A 59-year-old woman with hypertension (BP 148/92 mmHg) and hyperlipidemia presents for routine evaluation. She is asymptomatic with normal vital signs otherwise (HR 78/min, RR 16/m…
A 55 year old woman with metastatic breast cancer is offered a new targeted therapy. Compared with standard treatment, the new regimen costs an additional $40,000 and yields an add…
A 59-year-old asymptomatic woman with a 20 pack-year smoking history presents for preventive care. Vital signs are normal (BP 128/82, HR 72, RR 14, Temp 98.6°F). She denies cough o…
A 45-year-old woman with a past medical history of major depressive disorder presents to her primary care physician with a 3-month history of fatigue and insomnia. She reports spen…
A 19-year-old woman presents to urgent care 18 hours after unprotected intercourse and requests emergency contraception. She is hemodynamically stable, denies gynecologic surgery o…
A 52-year-old man with a 30-pack-year smoking history presents with BP 138/86, HR 82, RR 16, and SpO2 98% on room air. He denies dyspnea, cough, or chest pain. Spirometry shows FEV…
A 45-year-old man with a 20-year smoking history presents to the emergency department with acute anterior wall myocardial infarction. His initial vital signs are BP 148/92 mmHg, HR…
A 52-year-old man with a 30-pack-year smoking history presents for preventive counseling. Vital signs are BP 138/82 mmHg, HR 88 bpm, RR 16, SpO2 98% on room air. He denies current …