Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 35-year-old man with stage 4 chronic kidney disease (GFR 18 mL/min/1.73m²) presents with bone pain and muscle cramps. Vital signs: BP 148/92, HR 88, RR 16, Temp 37°C. Labs show s…
A 21-year-old woman presents with a 2-year history of progressive facial hirsutism, acne, and irregular menses occurring every 45-65 days. She denies medication use and reports no …
A 58-year-old man with a 2-pack-per-day smoking history presents with profound muscle weakness, hypertension, and marked hypokalemia (K+ 2.8 mEq/L). His cortisol is 28 μg/dL and do…
A 35-year-old woman presents with progressive fatigue, weakness, and diffuse skin hyperpigmentation. Vital signs show hypotension (90/55 mmHg), heart rate 102 bpm, and temperature …
A 28-year-old woman on long-term prednisone for systemic lupus erythematosus presents with progressive fatigue, weakness, and orthostatic hypotension during glucocorticoid taper. V…
A 52-year-old man with a history of tuberculosis presents with fatigue and weight loss. His morning cortisol is 2 μg/dL and ACTH is 180 pg/mL. He does not have skin hyperpigmentati…
A 38-year-old previously healthy man presents to the emergency department with acute onset severe abdominal pain, nausea, and altered mental status. His wife reports he has been in…
A 35-year-old woman presents to clinic with a 6-month history of progressive hypertension, central weight gain, and easy bruising. She denies exogenous corticosteroid use. Vital si…
A 3-year-old girl with congenital adrenal hyperplasia due to 21-hydroxylase deficiency presents to the emergency department with lethargy, vomiting, and poor perfusion. Her parents…
A 34-year-old woman with no prior medical history presents to clinic with fatigue and muscle weakness. She was found to be hypertensive (BP 162/98 mmHg) during a routine visit. Phy…
A 42-year-old man on warfarin for atrial fibrillation presents to the emergency department with acute onset severe left flank pain, fever (38.9°C), and hypotension (BP 88/54 mmHg).…
A 42-year-old woman presents with progressive muscle weakness, hypokalemia (K+ 2.8 mEq/L), and hypertension over 6 months. Laboratory studies reveal metabolic alkalosis, suppressed…
A 28-year-old woman presents with a 2-week history of progressive fatigue, myalgias, and orthostatic lightheadedness. She was recently diagnosed with primary adrenal insufficiency …
A 52-year-old man with a 10-year history of hypertension presents to the emergency department with a 2-hour history of sudden-onset severe occipital headache, diaphoresis, and trem…
A 48-year-old woman with a 10-year history of hypertension, diabetes mellitus, and obesity presents with severe fatigue and bruising. Laboratory studies show cortisol 28 µg/dL, ACT…
A 45-year-old woman presents with progressive hypertension and muscle weakness. Vital signs show BP 168/102 mmHg, HR 88 bpm, RR 14, temp 37°C, SpO2 98%. Laboratory studies reveal p…
A 34-year-old woman with autoimmune Addison disease on hydrocortisone and fludrocortisone presents with acute severe abdominal pain, confusion, and hypotension (BP 88/52, HR 118). …
A 52-year-old man presents with acute onset severe headache, profuse diaphoresis, palpitations, and blood pressure of 185/110 mmHg. His symptoms are episodic, lasting 30-60 minutes…
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…
A 70-year-old man with metastatic lung adenocarcinoma presents with progressive fatigue, anorexia, and weight loss. Vital signs show BP 92/58 mmHg, HR 104 bpm, RR 16, temperature 3…
A 29-year-old woman with medullary thyroid carcinoma presents with hypertension (BP 158/96 mmHg), tachycardia (HR 104/min), and anxiety. Laboratory studies reveal elevated 24-hour …
A 38-year-old woman presents with a 3-month history of progressive fatigue, weight loss, and orthostatic dizziness. She reports intense salt cravings. On examination, BP is 92/58 m…
A 45-year-old woman presents with progressive proximal muscle weakness, easy bruising, and facial plethora. Her BP is 165/95 mmHg. Laboratory studies show hypokalemia and metabolic…