Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 68-year-old man with stage 3 CKD (eGFR 35 mL/min/1.73 m²) on lisinopril presents with fatigue. Vital signs: BP 142/88, HR 76, RR 14, temp 37°C. Labs reveal serum calcium 8.2 mg/d…
A 28-year-old woman with newly diagnosed systemic sarcoidosis presents with fatigue and polyuria. Vital signs: BP 118/76, HR 88, RR 16, Temp 37.2°C, SpO₂ 98%. Laboratory studies re…
A 58-year-old woman presents with recurrent nephrolithiasis and progressive diffuse bone pain. Vital signs: BP 138/82, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Laboratory studies revea…
A 34-year-old woman presents with 2 days of profuse diarrhea after returning from a camping trip. Vital signs show BP 98/62 mm Hg, HR 108 bpm, RR 22/min, temperature 37.2°C, and Sp…
A 26-year-old man travels from Boston to a ski resort at 3500 meters elevation. On the second day he develops lightheadedness and paresthesias but is otherwise healthy. Arterial bl…
A 32-year-old woman presents 2 weeks after pharyngitis with gross hematuria, periorbital edema, and hypertension (BP 148/92 mmHg, HR 88, RR 16, Temp 37.2°C, SpO2 98%). Urinalysis r…
A 48-year-old woman presents with progressive bilateral leg edema and frothy urine for 6 weeks. Vital signs show BP 138/88 mmHg, HR 82/min, RR 16/min, temp 37°C. Laboratory studies…
A 57-year-old woman with symptomatic primary hyperparathyroidism presents with muscle weakness and cognitive changes. Vital signs: BP 138/88, HR 92, RR 16, Temp 37°C. Labs show ser…
A 41-year-old man is brought to the emergency department because of blurry vision and confusion after drinking homemade alcohol. He is tachypneic. Laboratory studies show pH 7.12, …
A 17-year-old girl is brought to the emergency department because of nausea, vomiting, and tinnitus after ingesting an unknown number of tablets during an argument with her parents…
A 38-year-old man with MEN 2A presents for preoperative evaluation before scheduled thyroidectomy for medullary thyroid carcinoma. Vital signs show BP 158/94 mmHg, HR 102 bpm, RR 1…
A 58-year-old man with heart failure has been taking high doses of furosemide for several weeks. He comes to the clinic because of fatigue and muscle cramps. Laboratory studies sho…
A 7-year-old boy presents 2 weeks after a streptococcal throat infection with cola-colored urine, facial edema, and hypertension (BP 130/85). Urinalysis shows hematuria with RBC ca…
A 32-year-old man presents with sudden onset dyspnea, hemoptysis, and hematuria. Chest X-ray shows diffuse alveolar infiltrates. ANCA testing is positive for c-ANCA with anti-PR3 a…
A 45-year-old woman with idiopathic intracranial hypertension is started on acetazolamide. Two weeks later she presents with fatigue and mild paresthesias. Vital signs show BP 128/…
A 52-year-old man is brought to the emergency department after being found confused in his garage. He has nausea and flank pain. Laboratory studies show high anion gap metabolic ac…
A 42-year-old woman with parathyroid carcinoma presents with severe hypercalcemia. Vital signs show BP 158/92 mmHg, HR 108/min, RR 20/min, temp 37.2°C. Labs reveal serum calcium 14…
A 66-year-old man with squamous cell carcinoma of the lung presents with constipation, confusion, and dehydration. Vital signs show BP 148/92, HR 102, RR 18, temp 37.2°C. Laborator…
A 69-year-old man with severe COPD presents with worsening dyspnea. Vital signs show BP 152/88 mm Hg, HR 102/min, RR 28/min, temperature 37.2°C, and SpO2 88% on room air. Arterial …
A 64-year-old woman presents with fatigue and bone pain. Vital signs: BP 128/82, HR 88, RR 16, Temp 37.2°C, SpO2 98% on room air. Laboratory studies show serum calcium 10.4 mg/dL, …
A 62-year-old woman presents with fatigue, constipation, and mild confusion. Serum calcium is 11.8 mg/dL (normal 8.5-10.5), phosphate is 2.1 mg/dL (normal 2.5-4.5), and PTH is 145 …
A 42-year-old man presents with resistant hypertension (BP 168/102 mmHg, HR 88/min) and fatigue. Laboratory studies reveal hypokalemia (K+ 3.1 mEq/L), metabolic alkalosis (HCO3- 32…
A 63-year-old woman with a history of lung cancer presents with sudden onset severe back pain, hypotension (BP 85/50 mmHg), and altered mental status. She is found to have Na+ 128 …
A 52-year-old man with hypertension controlled on a single antihypertensive agent presents for a routine CT abdomen for evaluation of flank pain. Imaging reveals a 2.3-cm left adre…