Questões de USMLE

A 48-year-old woman receives cosmetic botulinum toxin injections. Five days later, she develops diplopia, ptosis, dysphagia, and descending flaccid paralysis. Vital signs: BP 128/8…

A 6-year-old boy presents with recurrent sinopulmonary infections and chronic ulcerating skin lesions caused by respiratory viruses over the past 2 years. Vital signs show HR 102/m…

A 32-year-old female presents to the office with fever and chills of 2 weeks' duration. She also noticed blood in her urine this morning. She has a history of recent treatment for …

A 3-year-old girl from rural Brazil presents with fever (38.5°C), difficulty swallowing, and painful ulcerated lesions in the oral mucosa. Physical examination reveals cervical lym…

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 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 COPD and prior pulmonary tuberculosis presents with hemoptysis and dyspnea. Vitals: BP 138/82, HR 92, RR 22, Temp 37.2°C, SpO2 88% on room air. High-resoluti…

A 41-year-old man with a history of tuberculosis presents with cough and hemoptysis. Sputum smear shows acid-fast bacilli. He also has watery diarrhea and thrush. CD4 count is 85/μ…

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 42-year-old man with AIDS (CD4 count 35 cells/μL) presents with progressive headache, fever (38.9°C), and blurred vision for 2 weeks. Vital signs show BP 118/76, HR 98, RR 16, Sp…

A 55-year-old man with type 2 diabetes and poor glucose control presents with a black, necrotic lesion on his hard palate that extends into surrounding tissues. He reports rapid on…

A 28-year-old man presents with recurrent infections of the lungs, liver, and bones, along with excessive inflammation manifesting as granulomas, gingivitis, aphthous ulcers, and s…

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 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 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 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 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 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 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 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 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…

A 9-year-old boy from Nigeria with sickle cell disease presents with fever (38.9°C), productive cough, and pleuritic chest pain. Vital signs show HR 112, RR 24, BP 105/68, SpO2 94%…