Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 56-year-old man from Missouri presents in July with fever (39.2°C), malaise, and frontal headache 6 days after removing a tick from his leg. Vital signs show BP 128/82 mmHg, HR 9…
A 62-year-old woman with metastatic breast cancer comes to the physician because of a 2-day history of fever, chills, and new gluteal lesions. The lesions began as painless red mac…
A 6-year-old unvaccinated girl presents with severe paroxysmal coughing spells followed by inspiratory whooping and posttussive vomiting for 3 weeks. Vital signs: BP 98/62, HR 112,…
A 32-year-old male construction worker presents to urgent care with a 2-week history of fever (38.5°C), nonproductive cough, and progressive dyspnea. He works on a new housing deve…
A 32 year old pregnant woman at 29 weeks gestation presents with fever, myalgias, and diarrhea after eating unpasteurized soft cheese. Two days later she develops headache and neck…
A 43 year old man with chronic granulomatous disease presents with headache and focal left arm weakness. MRI of the brain shows a ring enhancing lesion. He also has a chronic cough…
A 61 year old man presents with fever and diffuse abdominal pain 5 days after emergency surgery for a perforated appendix. CT scan shows multiple intraabdominal abscesses. Aspirati…
A 3 month old boy is brought to clinic for poor feeding, weak cry, constipation, and progressive lethargy. His parents recently began giving him small amounts of honey for cough. E…
A 12 year old boy is brought to the clinic in July because of fever, severe headache, and myalgias after a camping trip in North Carolina. On examination he has a blanching rash on…
An 18-year-old female with a pet cat presents to clinic with a 3-week history of fever (38.5°C), malaise, and tender left axillary lymphadenopathy. She recalls a cat scratch on her…
A 7 year old unimmunized girl is brought to the clinic with fever, sore throat, and neck swelling. Examination shows cervical lymphadenopathy and a thick gray pharyngeal pseudomemb…
A 19 year old college freshman is brought to the emergency department with fever, headache, vomiting, and confusion. He is hypotensive and has a diffuse petechial rash. Lumbar punc…
A 58 year old man with a history of splenectomy after trauma presents with fever, productive cough, and pleuritic chest pain. Temperature is 39 C (102.2 F). Chest radiograph shows …
A 39 year old refugee presents with high fever, severe headache, and a maculopapular rash that began on the trunk and spread outward. He has been living in crowded conditions with …
A 12 year old girl is brought to clinic with fever and a painful lump in her right axilla. She was scratched by a new kitten 2 weeks ago. Examination shows a papule on the forearm …
A 71-year-old man presents with fever (38.9°C), malaise, and a new cardiac murmur. Vital signs show BP 128/76, HR 104, RR 18, SpO2 98% on room air. Blood cultures grow group D, gam…
A 49 year old man presents with chronic epigastric pain that improves with meals but recurs several hours later. He has no weight loss or vomiting. Endoscopy shows a duodenal ulcer…
A 24 year old woman with cystic fibrosis is admitted for worsening cough, fever, and increased sputum production. Sputum culture grows an oxidase positive gram negative rod that pr…
A 22-year-old man presents with 3 days of fever (38.9°C), abdominal cramping, and bloody diarrhea after consuming undercooked chicken. Stool culture grows Campylobacter jejuni. Gas…
A 67-year-old man with severe COPD presents with increased sputum production, dyspnea, and wheezing. Vital signs show HR 102/min, RR 24/min, BP 138/86 mmHg, temperature 38.2°C, and…
A 34 year old man who works processing imported animal hides presents with fever, dyspnea, and chest discomfort. Chest radiograph shows a widened mediastinum and pleural effusions.…
A 5-week-old male infant presents with staccato cough and tachypnea for 2 weeks. Vital signs show HR 160 bpm, RR 52/min, BP 85/55 mmHg, temp 37.2°C, SpO2 88% on room air. He feeds …
A 66-year-old woman hospitalized for pneumonia received clindamycin therapy. Five days into treatment, she develops watery diarrhea, lower abdominal cramping, and fever (38.5°C). V…
A 58-year-old woman with recurrent urinary tract infections presents with acute left flank pain and gross hematuria. Vital signs show BP 138/82, HR 94, RR 18, temperature 37.8°C, S…