Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 23-year-old woman with a 2-year history of progressive hirsutism, moderate inflammatory acne, and irregular menstrual cycles occurring every 45–60 days presents to her gynecologi…
A 74-year-old man with type 2 diabetes mellitus, severe peripheral vascular disease, and stage 4 chronic kidney disease (eGFR 18 mL/min/1.73m²) presents for medication adjustment. …
A 43-year-old woman with a 6-year history of obesity and type 2 diabetes mellitus presents to her primary care physician for a routine follow-up. Her current medications include me…
A 28-year-old woman develops severe postpartum hemorrhage secondary to uterine atony 30 minutes after vaginal delivery. Vital signs show BP 95/58, HR 118, RR 20, and hemoglobin 7.2…
A 58-year-old man with a 12-year history of type 2 diabetes mellitus presents to his primary care physician reporting recurrent episodes of diaphoresis, tremulousness, and confusio…
A 37-year-old man with small cell lung carcinoma presents with ectopic ACTH syndrome. Vital signs show BP 168/98 mmHg, HR 102, RR 18, temp 37.2°C. Physical examination reveals cent…
A 67-year-old man with type 2 diabetes mellitus presents with facial flushing, nausea, and palpitations 15 minutes after consuming wine at dinner. Vital signs show BP 145/92 mmHg, …
A 54-year-old postmenopausal woman with estrogen receptor-positive breast cancer was started on tamoxifen 2 years ago. She now presents with vaginal bleeding (BP 128/82, HR 82, RR …
A 57-year-old man with primary hyperaldosteronism presenting with hypertension (BP 168/98 mmHg), hyperkalemia (K+ 5.8 mEq/L), and metabolic alkalosis develops painful gynecomastia …
A 29-year-old woman with a 2-year history of infertility secondary to anovulation presents wanting to conceive. Vital signs: BP 118/76, HR 72, RR 14, Temp 98.6°F, SpO2 98%. Serum p…
A 54-year-old postmenopausal woman with estrogen receptor-positive breast cancer has been taking tamoxifen 20 mg daily for 2 years. She presents with vaginal bleeding and mild lowe…
A 57-year-old man with primary hyperaldosteronism (plasma aldosterone 28 ng/dL, suppressed renin) presenting with hypertension (BP 162/98 mmHg) and hypokalemia (K+ 3.1 mEq/L) start…
A 68-year-old man with metastatic prostate adenocarcinoma (PSA 187 ng/mL) initiates continuous GnRH analog therapy. Vital signs are stable: BP 138/82, HR 76, RR 16, temp 37°C. The …
A 38-year-old woman with a 15-year smoking history (1 pack daily) and migraine with aura presents requesting oral contraception. She reports migraines occurring twice monthly, each…
A 67-year-old man with type 2 diabetes mellitus and hypertension starts a new antidiabetic medication. He presents with orthostatic lightheadedness, 3-kg weight loss, and recurrent…
A 35-year-old woman with Hashimoto thyroiditis started levothyroxine replacement 3 months ago. She presents with persistent fatigue, constipation, and weight gain despite medicatio…
A 69-year-old postmenopausal woman with osteoporosis (T-score −2.8 on DEXA scan) and a serum calcium of 9.4 mg/dL presents with BP 128/76, HR 72, RR 14, and normal temperature. She…
A 42-year-old woman with refractory Graves disease presents with tachycardia (HR 118/min), tremor, and heat intolerance. She began propylthiouracil one month ago. Pre-operative lab…
A 58-year-old woman with severe rheumatoid arthritis treated with daily oral glucocorticoids for 9 months presents with proximal muscle weakness, thin skin, easy bruising, and hype…
A 73-year-old woman with severe osteoporosis presents with multiple vertebral compression fractures despite adequate calcium and vitamin D supplementation. Vital signs: BP 138/82, …
A 33-year-old industrial worker presents with severe hand pain and erythema after a hydrofluoric acid spill. Vital signs show HR 110/min, BP 138/88 mmHg, RR 20/min. Serum calcium i…
A 58-year-old woman with rheumatoid arthritis treated with daily oral glucocorticoids for 9 months presents with proximal muscle weakness, thin fragile skin, and easy bruising. Vit…
A 51-year-old man with acromegaly treated with transsphenoidal surgery presents with persistent symptoms. Vital signs: BP 148/92, HR 88, RR 16, Temp 98.6°F, SpO2 98%. Laboratory st…
A 24-year-old woman with autoimmune primary adrenal insufficiency on hydrocortisone 20 mg daily presents with orthostatic dizziness and intense salt craving for two weeks. Vital si…