Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 45-year-old woman presents with a 9-month history of progressive hirsutism, proximal muscle weakness, and central obesity with violaceous striae on her abdomen. She reports easy …
A 28-year-old woman presents to her gynecologist reporting six months of absent menstrual periods, spontaneous milky nipple discharge from both breasts, and inability to conceive d…
A 72-year-old man with a 3-year history of metastatic prostate cancer presents to his oncology clinic for routine follow-up. His blood pressure is 128/76 mmHg, heart rate is 82/min…
A 19-year-old man with type 1 diabetes mellitus presents with abdominal pain, vomiting, and altered mental status after missing two days of insulin doses. Vital signs show BP 98/62…
A 74-year-old woman with nonvalvular atrial fibrillation presents with HR 92 bpm, BP 138/82 mmHg, and no signs of heart failure on examination. Recent INR monitoring shows variabil…
A 67-year-old man with a 5-year history of Parkinson disease has been stable on levodopa/carbidopa 25/100 mg four times daily for the past 2 years. Due to a pharmacy dispensing err…
A 78-year-old woman with a history of QT prolongation presents to the hospital with fever, cough, and infiltrates on chest X-ray consistent with healthcare-associated pneumonia. He…
A 42-year-old woman with refractory Graves disease on propylthiouracil presents for preoperative optimization before scheduled thyroidectomy in 10 days. Vital signs: BP 142/88, HR …
A 42-year-old man with active pulmonary tuberculosis is on antimicrobial therapy. After 6 weeks of treatment, he develops progressive numbness and tingling in his feet bilaterally.…
A 68-year-old woman presents with a 6-month history of urinary urgency, frequency, and nocturia. Vital signs are stable (BP 138/82, HR 78, RR 16, Temp 37°C). Urinalysis is negative…
A 68-year-old man with stage 4 chronic kidney disease (baseline creatinine clearance 22 mL/min) presents with dysuria, urinary frequency, and suprapubic pain. Urinalysis shows pyur…
A 6-year-old boy presents with a 5-day history of otalgia, fever (38.9°C), and purulent ear drainage despite appropriate oral amoxicillin therapy (25 mg/kg/day divided twice daily)…
A 28-year-old woman with no significant past medical history presents to the emergency department with a 12-hour history of fever, severe headache, and neck stiffness. Temperature …
A 28-year-old woman with a 2-year history of generalized anxiety disorder presents to discuss medication management in anticipation of pregnancy. She has been stable on lorazepam 2…
A 19-year-old male presents to the emergency department with acute onset agitation, palpitations, and tremor 3 hours after ingesting unknown pills at a party. He reports feeling "w…
A 48-year-old man with refractory hypertension uncontrolled on lisinopril and hydrochlorothiazide is started on a potent arteriolar vasodilator. Current vital signs show BP 138/82 …
A 41-year-old woman is brought to the emergency department by her roommate after being found unresponsive on the couch approximately one hour ago. An empty prescription bottle labe…
A 25-year-old man presents to his primary care physician with a 3-day history of painful grouped vesicles on the shaft of the penis associated with mild fever, malaise, and tender …
A 64-year-old man with chronic kidney disease (baseline creatinine 2.1 mg/dL, CrCl 25 mL/min) presents to the hospital with fever (38.9°C), hypotension (88/54 mmHg), and tachycardi…
A 7-year-old boy with no prior antibiotic allergies presents with a 3-day history of acute otitis media and is started on amoxicillin-clavulanate. On day 3 of therapy, his mother r…
A 67-year-old man with COPD presents with community-acquired pneumonia. Vital signs show HR 102, RR 22, SpO2 88% on 2L oxygen, BP 128/76, and temperature 38.5°C. Sputum culture rev…
A 66-year-old man with methicillin-resistant Staphylococcus aureus bacteremia (blood cultures positive for MRSA) receives intravenous vancomycin infusion. Within 10 minutes, he dev…
A 45-year-old woman with moderate osteoarthritis presents with knee pain (7/10). Vital signs: BP 128/82, HR 82, RR 16, Temp 37.2°C, SpO2 98%. Her rheumatologist compares two experi…
A 60-year-old man with type 2 diabetes mellitus presents with a fasting glucose of 110 mg/dL but postprandial glucose of 280 mg/dL due to irregular meal timing throughout the day. …