Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 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 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 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 52-year-old woman presents with progressive weakness, fatigue, and darkening skin pigmentation despite minimal sun exposure. Vital signs reveal hypotension (88/52 mmHg), heart ra…
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 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 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 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 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…
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 19-year-old college student presents to the emergency department with fever (39.8°C), hypotension (BP 78/52 mmHg), tachycardia (HR 128/min), and a rapidly progressive petechial r…
A 7-year-old girl presents with pubic hair development and accelerated linear growth over 6 months. Vital signs show BP 132/88 mmHg, HR 92/min, RR 18/min, temp 37°C, SpO2 98%. She …
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 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 6-year-old boy presents with accelerated linear growth, pubic hair development, and genital enlargement. Vital signs show BP 128/82 mmHg, HR 92 bpm, RR 18, temp 37°C, SpO2 98%. L…
A 46 year old woman has central obesity, purple abdominal striae, and glucose intolerance. ACTH is low, and serum cortisol is elevated with no suppression after low or high dose de…
A 50-year-old woman with hypertension (BP 168/104 mmHg, HR 88/min) is found to have a 2-cm adrenal adenoma on CT imaging producing elevated aldosterone (28 ng/dL; normal <16). Labo…
A 41-year-old man with a 10-year history of hypertension presents to clinic for routine follow-up. On examination, blood pressure is 158/96 mmHg. Laboratory studies show serum pota…
A 6-day-old female with ambiguous genitalia presents with vomiting and dehydration. Vital signs show BP 65/40 mmHg, HR 155/min, RR 32/min, and temperature 37.2°C. Laboratory studie…
A 57 year old man with rheumatoid arthritis abruptly stops taking long term prednisone because of worsening edema. Two days later he develops weakness, nausea, and dizziness. Blood…
A 42-year-old woman presents to the endocrinology clinic with a 6-month history of progressive facial plethora, easy bruising, proximal leg weakness, and irritability. Her blood pr…
A 50-year-old man with a history of hypertension presents to the emergency department with sudden-onset severe left flank pain radiating to the left groin, nausea, and diaphoresis.…
A 19-year-old girl presents with primary amenorrhea, clitoromegaly, and short stature. Vital signs show BP 92/58 mmHg, HR 108 bpm, RR 22/min, and temperature 37.2°C. Laboratory stu…
A 42-year-old woman presents to clinic with a 6-month history of progressive fatigue, weight gain, and cold intolerance. She denies easy bruising, proximal weakness, or skin change…