Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 7-year-old boy presents with growth retardation, chronic diarrhea, and steatorrhea. Vital signs show weight 15th percentile for age. Laboratory studies reveal fat-soluble vitamin…
A 45-year-old man with a 20-year history of type 2 diabetes mellitus presents with fatigue and dyspnea on exertion. Vital signs: BP 152/88 mmHg, HR 92 bpm, RR 18/min, SpO2 98% on r…
A 67-year-old man with peripheral vascular disease presents with chest discomfort. Vital signs: BP 158/92 mmHg, HR 88 bpm, RR 16, SpO2 98% on room air. He takes high-dose simvastat…
A 45-year-old man presents with eruptive xanthomas, hepatosplenomegaly, and recurrent pancreatitis. Vital signs show BP 138/82 mmHg, HR 88/min, RR 16/min, temp 37.2°C. Serum trigly…
A 5 year old boy is evaluated for progressive muscle weakness and exercise intolerance. He has had two prior hospitalizations for hypoglycemia during prolonged fasting. Examination…
A 62-year-old woman on atorvastatin 80 mg daily for 6 months presents with progressive myalgias and proximal muscle weakness. Vital signs: BP 138/82, HR 88, RR 16, Temp 37°C, SpO2 …
A 67-year-old man with atherosclerotic cardiovascular disease on pravastatin 40 mg daily presents with progressive cognitive decline and proximal muscle weakness over 3 weeks. Vita…
A 28-year-old woman with recurrent pancreatitis presents with vital signs BP 118/76, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Fasting serum triglycerides measure 2200 mg/dL with visibl…
A 45-year-old man with a 20-year history of poorly controlled type 2 diabetes presents with fasting triglyceride level of 450 mg/dL and HDL of 28 mg/dL. He is not on statin therapy…
A 45-year-old man with a 20-year history of type 2 diabetes presents with tendon xanthomas and eruptive skin xanthomas. Vital signs: BP 148/92 mmHg, HR 88 bpm, RR 16, temp 37°C. La…
A 34-year-old woman with family history of premature coronary artery disease presents with elevated lipids. Vital signs are normal; BP 118/76 mmHg, HR 72/min, RR 14/min. Laboratory…
A 51-year-old man with type 2 diabetes mellitus and metabolic syndrome presents with BP 148/92 mmHg, HR 88/min, and denies chest pain. Fasting laboratory studies show triglycerides…
A 45-year-old man with premature coronary artery disease (diagnosed at age 42) presents with yellow nodules on his elbows and Achilles tendons, plus corneal arcus. Vital signs: BP …
A 55-year-old woman with cirrhosis from hepatitis C presents with easy bruising and epistaxis. Vital signs: BP 110/70, HR 88, RR 16, Temp 37°C, SpO2 98%. PT/INR is severely prolong…
A 45-year-old man with a 20-year history of type 2 diabetes controlled with metformin presents with substernal chest pain. Vital signs: BP 142/88 mmHg, HR 92 bpm, RR 18, Temp 37°C,…
A 19-year-old woman with history of recurrent pancreatitis is found to have fasting triglycerides of 650 mg/dL and chylomicrons visible on plasma electrophoresis. Her apoC-II level…
A 55-year-old man develops acute coronary syndrome. His lipid panel shows total cholesterol of 220 mg/dL and LDL of 140 mg/dL, both moderate elevations. However, his Lp(a) level is…
A 62-year-old man with a history of myocardial infarction is started on a statin for secondary prevention. After 4 weeks of therapy, his LDL decreases by 35%, but he develops myalg…
A 3-year-old boy presents with failure to thrive, fatty stools, and cholestasis. Laboratory testing reveals severely elevated triglycerides (1200 mg/dL), very low cholesterol (80 m…
A 38-year-old woman presents with progressive bifrontal headache and bitemporal hemianopsia. Vital signs show BP 158/94 mmHg, HR 88/min, RR 16/min, Temp 37.2°C. She denies recent w…
A 55-year-old man with type 2 diabetes and chronic kidney disease (GFR 35 mL/min/1.73m²) presents with nephrotic syndrome and bilateral lower extremity edema. Vital signs: BP 148/9…
A 41-year-old woman presents for routine lipid screening. Vital signs are normal (BP 118/76, HR 72, RR 14). Fasting labs show HDL 65 mg/dL, triglycerides 95 mg/dL, and LDL calculat…
A 19-year-old man presents with severe chest pain and is found to have an acute myocardial infarction. His fasting lipid panel shows total cholesterol of 680 mg/dL, triglycerides o…
A 28-year-old man presents with recurrent episodes of severe abdominal pain and pancreatitis. His triglyceride level is 1,800 mg/dL. He has earlobe creases and a family history of …