Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 10-year-old male with short stature is being evaluated for progressive neuropathy. Deep tendon reflexes are decreased, and vibratory sensation and proprioception are impaired. He…
A 21-year-old male participates in a nutrition study. Two hours after consuming a high-carbohydrate meal, he has elevated serum insulin levels (18 mIU/L; normal fasting <12). Vital…
A 38-year-old man presents for lipid screening with BP 138/88, HR 82, RR 16, temp 37°C, SpO2 98%. Lipid panel reveals LDL cholesterol 240 mg/dL, triglycerides 350 mg/dL, and HDL ch…
A 29 year old man presents for evaluation of Achilles tendon thickening. His father had a myocardial infarction at age 38. Examination shows tendon xanthomas over both Achilles ten…
A 41-year-old man with Type 2 diabetes presents with fatigue. Vital signs: BP 138/88 mmHg, HR 92 bpm, RR 16/min, Temp 37.0°C, SpO2 98% on room air. He denies chest pain. Labs show …
A 67-year-old man with established coronary artery disease presents with BP 138/82, HR 78, on high-dose atorvastatin. PCSK9 inhibitor is initiated due to persistently elevated card…
A 45-year-old man presents with xanthomas on his Achilles tendons and eyelids, along with premature coronary artery disease at age 42. Serum LDL cholesterol is 520 mg/dL despite a …
A 42-year-old woman with systemic lupus erythematosus on chronic prednisone develops acute chest pain. Vital signs show BP 145/92 mmHg, HR 102/min, RR 18/min, temp 37°C, SpO2 98%. …
A 35-year-old man with chronic kidney disease (stage 4, GFR 28 mL/min) presents with LDL cholesterol of 145 mg/dL despite a statin. His triglycerides are elevated at 280 mg/dL, and…
A 52-year-old man with type 2 diabetes and hypertension presents with BP 148/92 mmHg, HR 88/min, and truncal obesity. Laboratory studies show fasting glucose 156 mg/dL, triglycerid…
A 42-year-old woman with systemic lupus erythematosus presents with recurrent bilateral lower extremity thromboses. Vital signs: BP 138/88 mmHg, HR 92/min, RR 18/min, temp 37.2°C, …
A 55-year-old man with metabolic syndrome and prior MI at age 48 presents with elevated apolipoprotein B (142 mg/dL) despite normal LDL cholesterol (110 mg/L). Vitals: BP 148/92, H…
A 54-year-old man with 10-year history of hypertension and type 2 diabetes presents for research evaluation of endothelial dysfunction. Current medications include metformin and li…
A 57-year-old sales representative for a biotechnology firm has a history of alcohol abuse and hyperuricemia. He attends an out-of-town conference and gorges himself on appetizers,…
A 3 week old male infant is brought in for poor visual tracking. He was born at term and has been feeding well on formula. Examination reveals bilateral cataracts but no jaundice, …
A 41-year-old man on isoniazid and rifampin for pulmonary tuberculosis presents with irritability, progressive numbness in his hands, and new-onset generalized seizures. Vital sign…
A 23-year-old, single, unemployed female in her eighth month of pregnancy is seen in a volunteer-staffed obstetrics clinic. Her first child, born at home and exclusively breast-fed…
A 69-year-old edentulous, alcohol-dependent man who lives alone is admitted to the hospital for evaluation of a shoulder wound that is not healing well. On physical examination, nu…
A 50-year-old male with a 20-year history of alcohol use disorder presents with confusion, ophthalmoplegia affecting lateral gaze, and ataxia. Vital signs show BP 128/76 mmHg, HR 9…
A 62 year old woman presents with progressive numbness in her feet and difficulty with balance. She underwent ileal resection several years ago for Crohn disease. Laboratory studie…
A 3 year old boy is brought to the clinic because of abdominal pain, constipation, and decreased energy. His family recently moved into an older home that is undergoing renovation.…
A 58 year old man with alcohol use disorder is brought to the hospital because of confusion and difficulty walking. On examination, he has horizontal nystagmus, impaired abduction …
A 15-year-old girl with restrictive eating habits presents with sore throat, angular cheilitis, and a greasy scaling rash over the nasolabial folds. Vital signs show BP 98/62, HR 1…
A 4-month-old infant with exclusive bottle feeding presents with chronic diarrhea, poor weight gain, and alopecia. Physical examination reveals crusted erythematous dermatitis peri…