Questões de USMLE

A 7-month-old child presents with a 4-day history of fever, deepening cough, and dyspnea. A chest x-ray film shows multiple interstitial infiltrates and hyperinflation of the lungs…

A 25-year-old Afghani immigrant presents with a confluent maculopapular rash that began on her face then spread downward over her trunk. She states that 3 days ago she started havi…

A 58-year-old female is admitted to the hospital with fever, abdominal cramps, and severe watery diarrhea. The symptoms began one day after attending a banquet. She was treated wit…

A 4-year-old boy with acute onset of fever, cough, and inspiratory stridor is brought to the emergency department. He has not been vaccinated. Laryngoscopy reveals subglottic narro…

A 15-year-old boy presents with fever (39.2°C), severe pharyngitis, and posterior cervical lymphadenopathy. Vital signs show HR 102/min, BP 118/76 mmHg, RR 18/min, and SpO2 98% on …

A 3-year-old male presents with a 1-day history of loose stools, fever, abdominal cramping, headache, and myalgia. Vital signs show temperature 38.9°C, heart rate 112/min, blood pr…

A 3-year-old boy presents with sudden onset of fever, irritability, and neck stiffness. Vital signs show temperature 39.2°C, heart rate 118/min, blood pressure 102/68 mmHg, and res…

A 24-year-old woman presents to the emergency department with fever (39.2°C), vomiting, and a diffuse erythematous sunburn-like rash. Vital signs show hypotension (88/56 mmHg), tac…

A 34-year-old woman with a history of recent abortion presents with fever, chills, and abdominal pain. Blood cultures grow a gram-negative coccobacillus that requires special media…

A 36 year old man with untreated HIV infection develops progressive visual changes, weakness, and difficulty speaking over several weeks. MRI of the brain shows multiple asymmetric…

A 31-year-old man enrolled in an HIV drug trial receives a CCR5 antagonist. He presents with fever (38.2°C), tachycardia (102 bpm), and fatigue. Recent CD4 count is 450 cells/μL wi…

A 32-year-old man presents with fever (38.5°C), fatigue, and generalized lymphadenopathy. CD4+ count is 450 cells/μL with detectable viral load of 85,000 copies/mL. He denies oppor…

A 5-year-old child who has not had routine pediatric care develops a febrile disease with cough and a blotchy rash, and is brought to the emergency department. On physical examinat…

A 32-year-old woman presents with fever, jaundice, and right upper quadrant pain for 5 days. She has a history of intravenous drug use. Laboratory studies show elevated transaminas…

A 60-year-old female comes to the physician because of fever, chills, and a cough for the past 2 weeks. She lives at home with her husband, has no chronic medical conditions, and h…

A 45-year-old man with a history of recurrent cold sores presents with severe blepharitis, conjunctivitis, and corneal dendritic ulcers confirmed by fluorescein staining. He has be…

A 72-year-old man with a 15-year history of COPD presents to the emergency department with a 3-day history of dyspnea, fever (38.9°C), and productive cough with purulent sputum. He…

A 6-year-old previously unvaccinated boy presents to the clinic with a 4-day history of fever (39.5°C), cough, coryza, and conjunctivitis. On examination, you note white spots with…

A 43-year-old man with a 20-year history of alcohol use disorder presents to the hospital with acute pancreatitis complicated by sepsis. On hospital day 3, he develops a high fever…

A 35-year-old man comes to the physician with a 2-month history of fever, night sweats, and a cough productive of white sputum. He lives in New York and is currently homeless. He u…

A 64-year-old woman with poorly controlled type 2 diabetes mellitus presents to the emergency department with a 1-week history of progressive erythema, warmth, and swelling of her …

A 34-year-old man returns from South Asia presenting with profuse watery diarrhea, severe dehydration, and abdominal cramping for 3 days. Vital signs show BP 90/60 mmHg, HR 118/min…

A 19-year-old college freshman living in dormitory housing presents with fever (39.2°C), severe headache, neck stiffness, and petechial rash. Vital signs show HR 118/min, RR 22/min…

A 6-year-old boy presents with recurrent bacterial sinusitis (HR 102, BP 108/70, RR 22, Temp 38.2°C). CT sinuses shows opacification of maxillary sinuses with normal neutrophil cou…