Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 4-year-old boy presents with periorbital and ankle edema. Vital signs show BP 105/68 mmHg, HR 98 bpm, RR 22/min, temp 37.2°C, SpO2 98% on room air. Urinalysis reveals 4+ proteinu…
A 46-year-old woman with severe rheumatoid arthritis presents with progressive bilateral lower extremity edema and heavy proteinuria (4.2 g/day). Vital signs show BP 142/88 mmHg, H…
A 44-year-old man presents with acute bacterial cellulitis of the left lower leg. Vital signs show BP 138/82 mmHg, HR 98/min, RR 16/min, temperature 38.2°C, and SpO2 98% on room ai…
A 54-year-old man with a 20-year history of alcohol use disorder presents with massive hematemesis. Vital signs show BP 92/58, HR 118, RR 22, and SpO2 98% on room air. Upper endosc…
A 7-year-old boy develops acute swelling of his face and extremities after eating shellfish. Within 15 minutes, he becomes short of breath with audible wheezing. His tongue is swol…
A 72-year-old man with a 10-year history of hypertension (previously on no medications) presents to the emergency department with acute severe flank pain, gross hematuria, and dysp…
A 58-year-old woman presents with nephrotic syndrome (proteinuria 8 g/day, serum albumin 2.1 g/dL) and normal complement levels. Vital signs: BP 148/92, HR 88, RR 16, Temp 37°C, Sp…
A premature newborn (32 weeks gestation) presents with tachypnea (RR 68/min), poor weight gain, and feeding intolerance. Vital signs show BP 55/35 mmHg, HR 165/min, SpO2 98% on roo…
A 29-year-old African American woman presents with a 3-week history of dry cough, fatigue, and eye pain. Physical examination reveals tender erythematous nodules on the shins and b…
A 6-year-old boy presents with recurrent pyogenic infections and progressive neurologic decline. Vital signs show HR 102 bpm, RR 24/min, BP 98/62 mmHg, temperature 37.2°C. He exhib…
A 6-year-old boy presents to the emergency department with epistaxis and diffuse petechiae on his lower extremities and trunk. His mother reports he had an upper respiratory infect…
A 36-year-old man with HIV presents with progressive lower extremity edema and dyspnea. Vital signs: BP 128/82 mmHg, HR 98/min, RR 20/min, Temp 37.2°C, SpO2 98% on room air. Labora…
A 19-year-old male college student presents to the emergency department with a 12-hour history of fever (39.4°C), severe headache, and photophobia. On examination, he has a petechi…
A 55-year-old male with a 30 pack-year smoking history presents with a 3-month history of progressive dyspnea and dry cough. He denies fever, night sweats, or weight loss. Vital si…
A 52-year-old man with no smoking history presents with 8 weeks of progressive dyspnea, low-grade fever, and fatigue. Chest X-ray shows bilateral hilar lymphadenopathy with scatter…
A 34-year-old man with recent streptococcal pharyngitis develops two weeks of progressive dyspnea, orthopnea, and lower extremity edema. Echocardiography shows a dilated left ventr…
A 62-year-old man with a history of chronic hepatitis C develops jaundice, rash on the lower extremities, and glomerulonephritis with RBC casts in the urine. Serum cryoglobulins ar…
A 22-year-old male presents to the emergency department with a 3-day history of severe colicky abdominal pain and bloody diarrhea that began 3 days after an upper respiratory infec…
A 68-year-old woman presents to rheumatology clinic with a 4-month history of symmetric polyarticular pain and swelling affecting her hands, wrists, and knees. She reports morning …
A 41-year-old woman with rheumatoid arthritis treated with etanercept presents with productive cough, fever (38.9°C), and dyspnea. Vital signs show BP 128/82, HR 102, RR 22, SpO2 9…
A 32-year-old woman with a 3-year history of systemic lupus erythematosus presents to the emergency department with acute onset dyspnea, pleuritic chest pain, and low-grade fever. …
A 45-year-old woman presents with joint pain, morning stiffness lasting 2 hours, and swelling in her hands and feet bilaterally. Laboratory studies show elevated rheumatoid factor …
A 34-year-old woman presents with sudden-onset polyarthralgias, fever, and a painful erythematous rash on her lower extremities. Vital signs show temperature 38.5°C, heart rate 102…
A 19-year-old woman presents with fever (39.2°C), petechial rash, and meningitis. Vitals show HR 118/min, BP 94/62 mmHg, RR 22/min, SpO2 98% on room air. Blood cultures pending; CS…