Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 45-year-old woman presents with progressive proximal muscle weakness, purple striae, central obesity, and hypertension. Laboratory studies show elevated 24-hour urinary free cort…
A 45-year-old woman with a CT-confirmed adrenal pheochromocytoma (8 cm mass with high attenuation) is scheduled for surgical resection. Currently BP 128/82 mmHg, HR 88 bpm, but his…
A 62-year-old man with a history of myocardial infarction is found to have extremely low LDL cholesterol (25 mg/dL) and very low plasma levels of apolipoprotein B-containing lipopr…
A 6-year-old boy with failure to thrive presents with fat-soluble vitamin deficiencies (A, D, E, K), steatorrhea, and hepatomegaly. Vital signs show HR 102/min, BP 95/60 mmHg, and …
A 27-year-old woman presents with infertility, oligomenorrhea, and galactorrhea. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C. Laboratory evaluation reveals serum prolactin 85 n…
A 54-year-old woman undergoes pituitary surgery for a non-functioning macroadenoma. On postoperative day 1, she develops polyuria (800 mL/hour) and severe thirst. Vital signs show …
A 41-year-old man with recently diagnosed Cushing syndrome secondary to a pituitary corticotroph adenoma presents with hypertension (160/98 mmHg), tachycardia (102 bpm), and hypoka…
A 45-year-old woman presents with progressive frontal headache, bitemporal hemianopsia, and amenorrhea for 8 months. Vital signs show BP 128/82 mmHg, HR 78/min, RR 14/min, temperat…
A 19-year-old woman underwent transsphenoidal pituitary surgery for a Rathke cleft cyst 1 month ago. She now presents with sudden-onset polydipsia, polyuria (6 L/day), and nocturia…
A 9-year-old boy presents with a 6-month history of poor linear growth, headaches, and declining school performance. Vital signs reveal BP 105/68 mmHg, HR 88/min, RR 18/min, temp 3…
A 3-year-old child presents with failure to thrive, hepatosplenomegaly, and a pathologic femur fracture. Vital signs show HR 110/min, RR 28/min, temperature 37.2°C. Laboratory stud…
A 34-year-old man with a history of recurrent acute pancreatitis presents with triglycerides of 450 mg/dL and total cholesterol of 280 mg/dL. His LDL is 140 mg/dL and HDL is 25 mg/…
A 45-year-old man presents with xanthomas on his Achilles tendons and eyelids, along with corneal arcus. Laboratory studies show total cholesterol of 650 mg/dL and LDL of 520 mg/dL…
A 52-year-old woman presents with xanthomas on her eyelids and Achilles tendons, along with premature coronary artery disease. Laboratory studies show LDL cholesterol of 420 mg/dL …
A 45-year-old man with diabetes mellitus type 2 presents with recurrent pancreatitis. Laboratory studies show triglycerides of 1,200 mg/dL and total cholesterol of 680 mg/dL. His f…
A 64-year-old man with prior myocardial infarction presents with hypertension (BP 152/88 mmHg), heart rate 82 bpm, and denies chest pain. He takes atorvastatin 80 mg daily with LDL…
A 45-year-old man with a history of recurrent acute pancreatitis presents with eruptive xanthomas on his extensor surfaces. Vital signs show BP 138/82 mmHg, HR 88/min, RR 16/min, t…
A 42-year-old man presents with orange discoloration of his palms and soles, eruptive xanthomas, and laboratory findings of total cholesterol 320 mg/dL, triglycerides 180 mg/dL, an…
A 56-year-old man with a 20-year history of poorly controlled diabetes presents with lipemic plasma and eruptive xanthomas. His total cholesterol is 380 mg/dL, triglycerides are 65…
A 62-year-old woman undergoing chemotherapy for breast cancer presents with acute dyspnea and pleuritic chest pain. Vital signs show BP 138/82, HR 102, RR 22, temp 37.8°C, SpO2 88%…
A 19-year-old female with consanguineous parents presents with orbital and eruptive xanthomas on the buttocks. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. Serum trig…
A 55-year-old man with metabolic syndrome presents with BP 148/92 mmHg, HR 88/min, and fasting labs showing triglycerides 450 mg/dL, HDL 32 mg/dL, glucose 118 mg/dL, and elevated a…
A 68-year-old man with longstanding type 2 diabetes (BP 148/92, HR 88, on atorvastatin 80 mg daily) presents with advanced atherosclerosis. Current labs show LDL cholesterol 95 mg/…
A 45-year-old man presents with premature coronary artery disease and xanthomas on his Achilles tendons. Laboratory studies show LDL cholesterol of 520 mg/dL despite a low-fat diet…