Questões de USMLE

A 3-year-old boy from West Africa presents with hepatosplenomegaly, jaundice, and severe anemia (hemoglobin 6.2 g/dL). Vital signs show temperature 38.9°C, heart rate 128/min, bloo…

A 7-year-old boy from Ghana presents with nodules on his shins, back, and elbows. He also complains of nerve pain along his forearms. Examination reveals areas of decreased sensati…

A 28-year-old immunocompetent man from Ohio develops fever, myalgias, and a dry cough that progresses over 4 weeks. He works in construction and was recently exposed to bird droppi…

A 19-year-old man presents with arthralgias and malar rash. Vital signs: BP 128/82, HR 92, RR 16, Temp 37.2°C, SpO2 98%. Labs reveal ANA 1:640 with anti-dsDNA antibodies; complemen…

A 28-year-old man from the Mississippi River valley presents with fever, cough, and progressive pulmonary infiltrates. Blood cultures and sputum cultures grow a dimorphic fungus th…

A 41-year-old HIV-positive man with CD4 count of 85 cells/μL presents with fever (38.9°C), headache, and neck stiffness for 2 weeks. Vital signs show BP 110/70 mmHg, HR 98/min, RR …

A 52-year-old construction worker from Brazil with no immunosuppression presents with progressive nodules on the lips, gums, and tongue featuring central suppuration and satellite …

A 4-year-old from rural Mexico presents with progressive abdominal distension, malnutrition, and pallor. Vital signs: HR 115, RR 24, BP 95/60. Laboratory studies show hemoglobin 7.…

A 45-year-old construction worker from Arizona presents with 2-week fever (38.5°C), productive cough, and erythema nodosum. Vitals show HR 102 bpm, RR 22, SpO2 98% on room air. Che…

A 58-year-old woman comes to the physician for evaluation of worsening fatigue for 1 week. She also has a 1-year history of hand pain and stiffness. Four months ago, she started a …

A 40-year-old immunocompetent woman presents with a 3-week history of progressive nodular lymphangitis along her left arm following a gardening injury. She has a small, painless ul…

A 45-year-old man with COPD presents with hemoptysis and fever (38.2°C). Vital signs show BP 128/82, HR 98, RR 22, SpO2 88% on room air. Chest X-ray reveals a cavitary lesion in th…

A 6-year-old boy presents with a pruritic rash on exposed skin areas after playing in a grassy field. Vital signs are normal (BP 95/60, HR 98, RR 20, Temp 37.2°C, SpO2 98%). Linear…

A 7-year-old boy with no significant past medical history presents with a single pruritic, scaly lesion on his arm. He recently returned from a farm visit where he played with kitt…

A 19-year-old college student presents with severe frontal headache, neck stiffness, and altered mental status for 3 days. Vital signs show temperature 38.9°C, BP 118/76, HR 102, R…

A 42-year-old man with a history of smoking and COPD presents with hemoptysis and a cavitary lesion in the lung. Culture of sputum grows a dimorphic fungus that appears as a mold a…

A 32-year-old woman with poorly controlled diabetes (HbA1c 11.2%) presents with facial edema, proptosis, and black necrotic tissue on her hard palate. Vital signs show BP 138/82, H…

A 52-year-old woman with poorly controlled diabetes (HbA1c 11.2%) presents with severe facial pain, fever (39.2°C), and black necrotic tissue involving the maxillary sinus and hard…

A 34-year-old woman from Brazil presents with fever (38.2°C), multiple ulcerated lesions on her lip and face, and enlarged regional lymph nodes. Vital signs show BP 118/76, HR 92, …

A 68-year-old man with remote pulmonary tuberculosis presents with hemoptysis, fever (38.2°C), and tachycardia (HR 102). Vital signs show BP 138/82, RR 22, SpO2 94% on room air. Ch…

A 38-year-old woman who works in a leather factory in Venezuela presents with a painless nodule on her arm that has progressed over 6 months to multiple warty plaques with a "cauli…

A 34-year-old woman with untreated HIV (CD4 200 cells/μL) presents with progressive dyspnea, fever, and a nonproductive cough for 3 weeks. Chest imaging shows bilateral interstitia…

A 32-year-old woman with newly diagnosed HIV presents with dyspnea, fever (38.5°C), and nonproductive cough for 2 weeks. Vital signs show BP 110/68, HR 102, RR 24, SpO2 88% on room…

A 28-year-old immunocompromised man with CD4 count of 45 cells/μL presents with severe frontal headache, fever, and neck stiffness. Lumbar puncture shows elevated protein (180 mg/d…