Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 34-year-old woman presents to the emergency department with severe vaginal bleeding and easy bruising. Laboratory studies show PT 18 seconds (normal 11-13), aPTT 45 seconds (norm…
A 43-year-old man with chemotherapy-induced thrombocytopenia receives a platelet transfusion. Thirty minutes later, he develops fever (38.9°C), chills, and malaise. Vital signs sho…
A 31 year old woman presents with unilateral leg swelling 2 weeks after starting an estrogen containing oral contraceptive. Her mother had multiple deep venous thromboses. Coagulat…
A 6-year-old boy presents with recurrent epistaxis and easy bruising since infancy. Vital signs: BP 105/68, HR 98, RR 22, Temp 37°C, SpO2 98%. Laboratory studies reveal platelet co…
A 19-year-old woman presents with lifelong menorrhagia requiring frequent transfusions and recurrent epistaxis. She reports prolonged bleeding for 3 hours after dental extraction l…
A 52-year-old man with a 10-year history of alcohol use disorder and biopsy-proven cirrhosis presents to the emergency department with hematemesis. Physical examination reveals jau…
A 45-year-old woman undergoes preoperative screening before elective surgery. Laboratory studies reveal elevated aPTT (48 seconds) with normal PT (12 seconds), platelet count (245,…
A 45-year-old man with cirrhosis presents with epistaxis and easy bruising. Vital signs: BP 128/76, HR 92, RR 16, Temp 37°C, SpO2 98%. He denies recent anticoagulant use. Laborator…
A 28-year-old woman presents to the hematology clinic for evaluation of recurrent thromboembolism. She has a history of two unprovoked deep vein thromboses at ages 24 and 26, and t…
A 28-year-old woman presents to the emergency department with acute abdominal pain and leg swelling. She reports two unexplained pregnancy losses in the past year and was hospitali…
A 35-year-old woman presents to her primary care physician for evaluation of incidental mediastinal and hilar lymphadenopathy discovered on chest imaging obtained for unrelated rea…
A 19-year-old woman with no prior anticoagulant use presents with recurrent epistaxis and menorrhagia since menarche. She reports excessive bleeding for 2 weeks following tooth ext…
A 28-year-old man presents with acute left leg pain and swelling. Vital signs: BP 118/76, HR 92, RR 16, temp 37°C, SpO2 98% on room air. Duplex ultrasound confirms left femoral DVT…
A 60-year-old woman presents with a 3-month history of episodic facial flushing, watery diarrhea, and wheezing. Vital signs show BP 128/82 mmHg, HR 102 bpm, RR 18/min, temp 37.2°C,…
A 24-year-old woman presents with a 3-month history of chronic diarrhea, bloating, and fatigue. She reports a pruritic blistering rash on extensor surfaces of her elbows. Vital sig…
A 71-year-old man presents with painless large-volume hematochezia. Vital signs show BP 128/76, HR 92, RR 16, temperature 37.2°C, SpO2 98%. He reports chronic constipation but deni…
A 10-month-old boy presents with episodic severe colicky abdominal pain and leg flexion, followed by bilious vomiting and lethargy. Vitals show HR 128/min, RR 26/min, BP 95/60 mmHg…
A 24-year-old man presents with bloating, crampy abdominal pain, and diarrhea following ice cream consumption after recent viral gastroenteritis. Vital signs show HR 88 bpm, BP 118…
A 19-year-old man presents with periumbilical pain that later localizes to the right lower quadrant, accompanied by nausea and low-grade fever. Vital signs show temperature 38.2°C,…
A 19-year-old college student presents with progressive tremor, mood changes, and jaundice over 3 months. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. Slit lamp exami…
A 52-year-old man with recently diagnosed diabetes mellitus presents with progressive fatigue, arthralgias, and decreased libido. Vital signs: BP 128/82 mmHg, HR 88/min, RR 16/min,…
A 27-year-old woman presents with chronic mild jaundice noted on routine examination. Vital signs are stable: BP 118/76 mmHg, HR 82 bpm, RR 16/min, temp 37°C, SpO2 98%. Laboratory …
A 28-year-old woman of Mediterranean descent presents with mild anemia (hemoglobin 10.2 g/dL), microcytia (MCV 72 fL), and normal iron stores. Serum ferritin is elevated at 145 ng/…
A 63-year-old woman with known cholelithiasis presents with fever, jaundice, and right upper quadrant pain. Vital signs show BP 88/54, HR 118, RR 22, temperature 39.2°C, and SpO2 9…