Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 63-year-old man with long-standing diabetes mellitus presents for routine follow-up. Vital signs: BP 142/88 mmHg, HR 76/min, RR 16/min, temp 37.2°C. He takes lisinopril daily. La…
A 31-year-old man presents with progressive weakness and fatigue. Vital signs: BP 138/88 mmHg, HR 92/min, RR 16/min, Temp 37°C, SpO2 98%. Laboratory studies reveal normal anion gap…
A 67-year-old woman with acute decompensated heart failure presents with dyspnea and orthopnea. Vital signs: BP 160/95, HR 110, RR 22, SpO2 88%. She receives high-dose intravenous …
A 34-year-old woman preparing for a high-altitude trek is started on acetazolamide prophylaxis. She presents with BP 118/76 mmHg, HR 88/min, RR 20/min, and SpO2 98% on room air. Se…
A 3-year-old girl presents with a painless left flank mass discovered by her mother during bathing. Vital signs show BP 110/68 mmHg, HR 98/min, RR 22/min, temperature 37.2°C, and S…
A 56-year-old man with resistant hypertension (BP 168/104 mmHg) and primary hyperaldosteronism (plasma aldosterone 24 ng/dL, renin suppressed) started spironolactone 25 mg daily tw…
A 4-year-old girl develops bloody diarrhea after consuming undercooked beef at a picnic. Five days later, she presents with pallor and oliguria. Vital signs show BP 142/88 mmHg, HR…
A 29-year-old woman develops polydipsia and polyuria 2 days after transsphenoidal pituitary adenoma resection. Vital signs show HR 98/min, BP 132/84 mmHg, RR 16/min. Serum sodium i…
A 31-year-old woman presents with polyuria and intense polydipsia two weeks after transsphenoidal pituitary adenoma resection. Vital signs show HR 98/min, BP 138/82 mmHg, RR 16/min…
A 64-year-old man with a 10-year history of multiple myeloma presents with progressive lower extremity edema. Vital signs show BP 142/88, HR 88, RR 16, Temp 37.2°C. Urinalysis reve…
A 22-year-old woman presents with progressive fatigue and episodic muscle weakness. Vital signs: BP 118/76 mmHg, HR 92/min, RR 16/min, temp 37°C. Serum potassium 2.8 mEq/L, magnesi…
A 17-year-old boy is referred for severe hypertension (BP 168/102 mmHg, HR 88, RR 16, temp 37°C) discovered during a sports physical. Laboratory studies reveal hypokalemia (K+ 2.8 …
A 28-year-old man presents with recurrent nephrolithiasis and refractory peptic ulcer disease. Vital signs are stable (BP 128/82, HR 88, RR 16, Temp 37°C). Laboratory studies revea…
A 57 year old woman with a 20 year history of type 2 diabetes mellitus comes for follow up. She has diabetic retinopathy and peripheral neuropathy. Urine albumin excretion has prog…
A 63-year-old man with diffuse atherosclerosis and poorly controlled hypertension (BP 178/104 mmHg, HR 88/min) presents with a systolic abdominal bruit. Serum creatinine rises from…
A 15-year-old boy presents with persistent microscopic hematuria discovered on routine urinalysis. He is hypertensive (BP 145/92 mmHg) with normal renal function (creatinine 0.9 mg…
A 61 year old woman with longstanding chronic kidney disease presents with fatigue and recurrent epistaxis. She has no family history of bleeding disorders. Laboratory studies show…
A 61 year old man presents with gross hematuria, weight loss, and dull flank pain. He has a 40 pack year smoking history. Examination reveals a left sided varicocele that does not …
A 44-year-old woman with a history of recurrent urinary tract infections presents with fever (38.9°C), dysuria, and left flank pain. Vital signs show BP 128/82 mmHg, HR 102/min, RR…
A 16-year-old phenotypic female with 46, XY karyotype presents for evaluation of primary amenorrhea. She has scant pubic hair, absent breast development, and denies medications. Vi…
A 16-year-old adolescent raised as a girl presents with primary amenorrhea. She is tall (height 5'10"), has normal breast development (Tanner stage V), but scant pubic hair (Tanner…
A 46, XY newborn presents with ambiguous external genitalia and cryptorchidism. At age 13, he develops progressive virilization with increased muscle mass, deepening voice, and fac…
A 64 year old man with long standing diabetes mellitus is evaluated for progressive weakness. Blood pressure is 148/88 mm Hg. Laboratory studies show potassium 6.0 mEq/L, bicarbona…
A 23-year-old woman with type 1 diabetes mellitus and vitiligo is brought to the emergency department with vomiting, abdominal pain, fever, and confusion. She is hypotensive despit…