Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 32-year-old woman presents with a 3-month history of amenorrhea, galactorrhea, and weight gain. Five months ago, she was started on clozapine 300 mg daily for schizophrenia. She …
A 34-year-old woman presents with recurrent episodes of pounding headache, diaphoresis, and palpitations lasting 20-30 minutes. During an acute episode, vital signs show BP 210/120…
A 38-year-old man presents with newly diagnosed hypertension (BP 168/104 mmHg, HR 88/min) and muscle weakness. Laboratory studies reveal hypokalemia (K+ 2.9 mEq/L), elevated plasma…
A 33-year-old woman presents with progressive fatigue, nausea, 8-kg weight loss, and orthostatic dizziness. Vital signs show BP 98/62 mmHg, HR 102 bpm, RR 18/min, temp 36.8°C, SpO2…
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…
A 55-year-old man presents to his primary care physician with a 6-month history of progressive proximal muscle weakness, easy bruising, and worsening hypertension despite being on …
A 45-year-old woman presents to her primary care physician for evaluation of newly detected hypertension. Her blood pressure is 158/96 mmHg. She reports mild fatigue and ankle swel…
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 35-year-old woman with newly diagnosed hypertension and hypokalemia undergoes screening. Serum aldosterone is 18 ng/dL with plasma renin activity of 0.8 ng/mL/hr. Aldosterone-to-…
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 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 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 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 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 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 with progressive muscle weakness, hypokalemia (K+ 2.8 mEq/L), and hypertension over 6 months. Laboratory studies reveal metabolic alkalosis, suppressed…
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 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 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 45-year-old man presents 2 weeks after transsphenoidal pituitary surgery with polyuria (6 L/day) and polydipsia. Vital signs show HR 88/min, BP 128/82 mmHg, RR 16/min. Labs revea…
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 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 6-year-old boy presents with short stature (height <3rd percentile) and normal growth velocity of 4 cm/year. His bone age is 5 years, thyroid function is normal, and celiac serol…
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…