Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 71-year-old man with benign prostatic hyperplasia presents with urinary hesitancy, weak stream, and nocturia. Vital signs are stable (BP 142/88, HR 78, RR 16). Post-void residual…
A 67-year-old man with type 2 diabetes mellitus and hypertension recently started a new antidiabetic agent. He presents with orthostatic lightheadedness, 3-kg weight loss, and recu…
A 51-year-old man with acromegaly underwent transsphenoidal surgery 6 months ago. Despite treatment, he remains symptomatic with coarse facial features and hand enlargement. Curren…
A 47-year-old man is brought to the emergency department 1 hour after being found unconscious on his porch. His wife reports he was working in the garage 4 hours ago. On examinatio…
A 29-year-old woman with a 2-year history of infertility due to anovulation presents wanting to conceive. Vital signs are stable (BP 118/76, HR 78, RR 14, Temp 37°C). Serum FSH is …
A 79-year-old man with a history of chronic systolic heart failure and atrial fibrillation presents to the emergency department with a 2-day history of nausea, vomiting, confusion,…
A 45-year-old woman with central obesity, proximal muscle weakness, and easy bruising undergoes evaluation for Cushing syndrome. Vital signs show BP 158/92 mmHg, HR 88 bpm, RR 16/m…
A 35-year-old woman with Hashimoto thyroiditis started levothyroxine replacement 3 months ago but continues experiencing fatigue and constipation. Vital signs: BP 128/82, HR 58, RR…
A 70-year-old man with small cell lung carcinoma presents with headache and confusion. Vital signs show BP 128/76 mmHg, HR 82/min, RR 16/min, temperature 37.2°C. Laboratory studies…
A 24-year-old woman with autoimmune primary adrenal insufficiency treated with hydrocortisone monotherapy presents with orthostatic dizziness and salt craving. Vital signs show BP …
A 59-year-old woman with a 12-year history of type 2 diabetes mellitus and compensated systolic heart failure (ejection fraction 40%) presents to her primary care physician for a r…
A 28-year-old woman with type 1 diabetes accidentally injects 100 units of rapid-acting insulin instead of her usual 10-unit dose. She now presents diaphoretic, confused, and tremu…
A 67-year-old man with type 2 diabetes mellitus on metformin presents with acute onset facial flushing, nausea, and palpitations 15 minutes after consuming wine at dinner. Vital si…
A 34-year-old woman with a known history of Graves disease who discontinued her methimazole three weeks ago is brought to the emergency department by her husband, who reports she h…
A 43-year-old man presents to his endocrinologist reporting progressive enlargement of his hands and feet over the past 4 years, requiring multiple ring and shoe size increases. He…
A 56-year-old woman with bipolar disorder on lithium presents with coarse tremor, ataxia, and confusion after 3 days of vomiting and diarrhea. Vital signs show BP 108/72, HR 102, R…
A 55-year-old man on hemodialysis presents with persistent hyperparathyroidism. Vital signs show BP 148/92 mmHg, HR 88 bpm, RR 16, temp 37°C. Labs reveal PTH 487 pg/mL (normal <65)…
A 46-year-old man presents to the emergency department 2 hours after ingesting windshield washer fluid. He is confused and reports blurred vision. Vital signs: BP 118/76 mmHg, HR 1…
A 27-year-old woman with a 10-year history of type 1 diabetes mellitus presents for a routine follow-up appointment. She uses a basal-bolus insulin regimen with insulin glargine at…
A 35-year-old woman and her two children develop headache, dizziness, and nausea while sleeping in a house with a faulty furnace during winter. The mother presents with BP 128/82, …
A 28-year-old woman presents to her gynecologist with a 6-month history of amenorrhea, bilateral milky nipple discharge, and inability to conceive despite 12 months of unprotected …
A 68-year-old man with a 3-year history of metastatic prostate adenocarcinoma presents to his oncology clinic for follow-up after recent bone scan revealing new lytic lesions in th…
A 25-year-old woman at 7 weeks gestation by last menstrual period presents to an outpatient clinic requesting medical termination of pregnancy. She has a confirmed intrauterine pre…
A 52-year-old woman with type 2 diabetes mellitus presents with an HbA1c of 8.2% despite metformin 1000 mg twice daily for six months. She is hypertensive (BP 148/92 mmHg, HR 88/mi…