Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 7-year-old boy with cystic fibrosis and chronic steatorrhea presents with progressive balance difficulty and decreased vibration sense in his lower extremities. Vitals: BP 105/68…
A 49-year-old man with chronic hepatitis C presents with fragile skin and blistering lesions on the dorsal hands worsening with sun exposure. Vital signs: BP 128/82, HR 88, RR 16, …
A 24-year-old laboratory worker is brought to the emergency department after sudden collapse during a chemical spill. He is tachypneic (RR 28/min) and confused. Vital signs show BP…
A 2-week-old male presents with tetralogy of Fallot, cleft palate, and recurrent candidal infections. Vital signs show HR 158/min, RR 42/min, SpO2 88% on room air, and temperature …
A biotechnology company engineers bacteria to produce human insulin by inserting a human gene into a plasmid vector. To generate compatible cohesive overhangs on both the plasmid a…
An 83-year-old male is brought to the physician because of diarrhea and vomiting for the past month. He is unable to give a clear history, but his daughter reports that he has been…
A 5-year-old boy presents with recurrent episodes of severe abdominal pain and eruptive yellow papules over extensor surfaces. Vital signs show BP 110/68 mmHg, HR 98/min, RR 20/min…
A 31-year-old woman presents with recurrent jaundice during pregnancy (BP 118/76, HR 82, RR 16, Temp 37°C, SpO2 98%). Laboratory studies reveal elevated direct bilirubin at 3.2 mg/…
A 9-month-old boy presents with failure to thrive, developmental delay, and recurrent seizures. Physical examination reveals hypothermia (36.2°C), sparse kinky hair, and skin laxit…
A 32-year-old woman presents with progressive difficulty releasing objects after gripping and daytime somnolence. Vital signs: BP 118/76, HR 82, RR 16, Temp 37°C, SpO2 98%. Examina…
A 7-year-old boy presents with declining school performance and progressive gait instability over 6 months. Vital signs show BP 108/65, HR 88, RR 20, temp 37°C, SpO2 98%. Examinati…
A 22-year-old man presents with bloating, crampy abdominal pain, and watery diarrhea 30 minutes after consuming ice cream. He reports identical symptoms with milk but tolerates mea…
A 7-month-old infant presents with lethargy, seizures, and rapid breathing following an overnight fast during a viral illness. Vital signs show HR 128/min, RR 32/min, BP 90/58 mmHg…
A 34-year-old woman with a history of malabsorption presents with progressive fatigue, paresthesias, and impaired wound healing over 3 months. Laboratory studies reveal low serum a…
A 26-year-old pregnant female presents with persistent, dry, ulcerated skin over her knees and elbows for 8 weeks. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. Examin…
A 9-year-old boy presents with progressive gait instability and decreased vibratory sensation in lower extremities. He has chronic steatorrhea and failure to thrive. Vital signs sh…
A 6-year-old boy with cystic fibrosis presents with difficulty seeing in dim light and night blindness over the past 2 months. Vital signs: BP 95/60, HR 98, RR 22, Temp 37°C, SpO2 …
A 57-year-old alcohol-dependent male presents to the emergency department with acute global confusion, psychosis, and ataxia. Vital signs show BP 128/82 mmHg, HR 102/min, RR 18/min…
A 48-year-old man with severe alcohol use disorder and chronic malnutrition presents with a 3-month history of chronic diarrhea, irritability, and disorientation. Vital signs show …
A 19-year-old college student presents with acute onset of severe headache, neck stiffness, and petechial rash. Vital signs show temperature 39.2°C, HR 118/min, BP 102/68 mmHg, RR …
A 38-year-old man presents with recurrent myocardial infarction despite atorvastatin 80 mg daily and normal LDL cholesterol of 95 mg/dL. Vital signs: BP 138/88 mmHg, HR 92 bpm, RR …
A 3-year-old boy presents with failure to thrive, developmental delay, and progressive hepatosplenomegaly. Vital signs reveal HR 102/min, RR 24/min, temperature 37.2°C. Laboratory …
A 35-year-old man of Mediterranean descent presents with orange discoloration of palms and soles and corneal infiltrates. Vital signs are stable (BP 128/82, HR 72, RR 14). Laborato…
A 35-year-old man with xanthomas on his Achilles tendons and corneal arcus presents with chest pain. Vital signs: BP 165/95 mmHg, HR 92/min, RR 16/min, Temp 37°C. Labs reveal LDL-c…