Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 19-year-old man with chronic productive cough, recurrent sinusitis, and otitis media since childhood presents with dyspnea. Vital signs: BP 118/76, HR 88, RR 22, Temp 37.2°C, SpO…
A 52-year-old obese man presents with loud snoring, witnessed apneas during sleep, and excessive daytime sleepiness. He reports morning headaches and denies asthma or reactive airw…
A 31-year-old woman in active labor develops sudden severe dyspnea, hypotension (BP 88/52), tachycardia (HR 128), and altered mental status. Vital signs show tachypnea (RR 32) and …
A 42-year-old man from a tuberculosis-endemic region presents with one month of persistent cough, night sweats, and 8-lb weight loss. He reports intermittent hemoptysis but denies …
A 61-year-old man with a history of Hodgkin lymphoma underwent mediastinal radiation therapy 7 months ago. He now presents with progressive dyspnea and dry cough. Vital signs show …
A 34-year-old African American woman presents with a 3-month history of dry cough, fatigue, and erythema nodosum. Vital signs show BP 118/76, HR 88, RR 18, temp 37.2°C, SpO2 98% on…
A 19-year-old male university student reports that his asthma symptoms worsen during exams and times of emotional stress. He uses his rescue inhaler 2-3 times weekly during high-st…
A 28-year-old man with well-controlled asthma on low-dose inhaled corticosteroid presents with persistent nocturnal cough and awakening 4 nights per week due to wheezing. Vital sig…
A 61-year-old never-smoker woman presents with progressive cough and 8-pound weight loss over 3 months. Vital signs: BP 128/76, HR 92, RR 18, Temp 98.6°F, SpO2 98% on room air. CT …
A 58-year-old man is brought to the emergency department after being found unconscious from alcohol intoxication. Two days later he develops fever, cough, and focal crackles. Chest…
A 45-year-old woman with newly diagnosed asthma presents for evaluation of recurrent symptoms over the past 2 months. She reports wheezing and dyspnea triggered by exposure to air …
A 6-year-old boy presents with acute asthma exacerbation. Vitals: HR 128/min, RR 32/min, BP 105/68 mmHg, SpO₂ 89% on supplemental oxygen, temperature 37.2°C. He receives continuous…
A 45-year-old man with no significant past medical history presents with sudden onset of a cold, painful left leg with skin mottling and diminished sensation. Exam shows absent pul…
A 20-year-old college student living in a dormitory presents with a 10-day history of dry cough, malaise, and headache. Vital signs show temperature 38.2°C, heart rate 92 bpm, resp…
A 6-year-old boy is brought to the emergency department by his mother with a 2-hour history of acute dyspnea and wheezing. He was playing outside during high pollen season when sym…
A 58-year-old man with a history of atrial fibrillation not on anticoagulation presents with acute left leg pain, coolness, and pallor. Vital signs show HR 118 bpm, BP 142/88 mmHg,…
A 29-year-old man presents with a 2-week productive cough, fever to 38.5°C, and dyspnea after cleaning an abandoned chicken coop in the Ohio River Valley. Vital signs show HR 102/m…
A 56-year-old man with a 30-pack-year smoking history and recently diagnosed atrial fibrillation presents with acute onset of unilateral leg pain, coolness, and pallor. Vital signs…
A 63-year-old obese woman with hypertension presents with progressive ankle edema worsening by evening and brown discoloration around the medial malleolus. She reports aching leg p…
A 45-year-old man with a 20-year smoking history and uncontrolled hypertension (BP 168/98 mmHg, HR 92 bpm) presents with transient monocular vision loss lasting 15 minutes that com…
A 62-year-old man with a 20-year history of poorly controlled hypertension presents with sudden onset of severe, tearing chest pain radiating to the back. Vital signs show BP 180/1…
A 58-year-old man with type 2 diabetes presents with an expanding pulsatile abdominal mass. Vital signs: BP 142/88 mmHg, HR 78 bpm, RR 16, temp 37°C, SpO2 98% on room air. Abdomina…
A 52-year-old woman with no prior migraine history presents with sudden-onset severe frontal headache, neck stiffness, and left-sided weakness. Vital signs: BP 156/92 mmHg, HR 98/m…
A 28-year-old woman presents to the emergency department 10 days after an uncomplicated vaginal delivery with acute left calf swelling, erythema, and tenderness. She reports the sy…