Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 49-year-old woman with type 2 diabetes presents with profuse watery diarrhea persisting despite 24-hour fasting, muscle weakness, and facial flushing. Vital signs show BP 118/76 …
A 52-year-old man with central obesity presents with new-onset diabetes, hypertension (BP 158/96 mmHg), and purple abdominal striae. He takes metformin but remains hyperglycemic. V…
A 27-year-old man develops intense thirst and polyuria 1 week after a traumatic brain injury. Serum sodium is 151 mEq/L, serum osmolality is elevated, and urine osmolality is low. …
A 56-year-old man with acute myeloid leukemia develops severe bilateral flank pain and oliguria 3 days after induction chemotherapy. Vital signs: BP 158/92 mmHg, HR 102/min, RR 20/…
A 30-year-old woman presents 2 months after a complicated delivery with massive postpartum hemorrhage requiring transfusion. She reports inability to lactate, fatigue, cold intoler…
A 62-year-old man with stage 4 chronic kidney disease presents with diffuse bone pain and pruritus. Vital signs: BP 152/88, HR 82, RR 16, Temp 37°C, SpO2 98%. Laboratory studies re…
A 7-year-old boy presents with growth delay and bone pain. Vital signs show BP 118/76 mmHg, HR 92 bpm, RR 20/min, temp 37°C, SpO2 98%. Labs reveal metabolic acidosis (pH 7.28), ser…
A newborn boy presents with severe respiratory distress (RR 68/min, SpO2 78% on room air) shortly after birth. Prenatal ultrasound demonstrated oligohydramnios and bilaterally enla…
A 45 year old man comes to the emergency department with sudden severe right flank pain radiating to the groin. He has a history of Crohn disease and multiple small bowel resection…
A 23-year-old woman presents with fatigue and recurrent nephrolithiasis. Vital signs show BP 128/82 mmHg, HR 88/min, RR 16/min, temperature 37°C. Laboratory studies reveal normal a…
A 47-year-old woman with recurrent urinary tract infections presents with persistent bilateral flank discomfort. Vital signs: BP 142/88 mmHg, HR 88/min, RR 16/min, Temp 37.2°C, SpO…
A 38 year old woman presents with early satiety, flank discomfort, and episodic gross hematuria. Her father required dialysis in his 50s. Blood pressure is 156/92 mm Hg. Abdominal …
A 63-year-old man with type 2 diabetes presents with fatigue and polyuria. Vital signs show BP 142/88 mmHg, HR 88/min, RR 16/min, temperature 37.2°C, and SpO2 98% on room air. His …
A 17-year-old girl with type 1 diabetes mellitus presents with abdominal pain, vomiting, and confusion after missing several insulin doses. She is tachypneic and dehydrated. Labora…
A 6-year-old girl presents with early pubic hair development and accelerated linear growth. Vital signs reveal BP 145/92 mmHg, HR 88 bpm, RR 18, temp 37°C, SpO2 98%. Laboratory stu…
A 14-year-old boy presents with recurrent renal colic and hematuria. Vital signs show BP 118/76 mmHg, HR 88/min, RR 16/min, temperature 37.2°C. Urine microscopy reveals hexagonal c…
A 44-year-old man with bipolar disorder on lithium for 5 years presents with polydipsia and polyuria. Vital signs: BP 138/85, HR 92, RR 16, Temp 37°C, SpO2 98%. Serum sodium is 150…
A 42 year old man presents with progressive leg swelling and foamy urine for 2 months. He has no hematuria or dysuria. Blood pressure is 146/92 mm Hg. Examination shows periorbital…
A 32-year-old woman presents with episodic headaches, palpitations, diaphoresis, and anxiety over 6 months. During an acute episode, vital signs show BP 210/110 mm Hg, HR 118/min, …
A 39-year-old woman presents with recurrent calcium oxalate kidney stones despite increased fluid intake and compliance with dietary modifications. Vital signs are stable (BP 128/8…
A 47-year-old man presents with fatigue, anorexia, and lightheadedness. He underwent resection of a nonfunctioning pituitary macroadenoma 3 months ago. Physical examination shows l…
A 34-year-old woman comes to the clinic because of progressive fatigue, salt craving, nausea, and 7-kg unintentional weight loss over 4 months. She has autoimmune thyroid disease. …
A 45-year-old woman with a 3-year history of hypertension presents with persistent blood pressure elevation (168/105 mmHg) despite lisinopril and hydrochlorothiazide therapy. She r…
A 59-year-old woman with rheumatoid arthritis abruptly discontinued prednisone 5 days ago. She presents with fatigue, nausea, diffuse myalgias, and dizziness. Vital signs show BP 9…