Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 5-year-old girl presents with severe intellectual disability, ataxic gait, unprovoked frequent laughter, and recurrent seizures. Vital signs are stable (BP 95/60, HR 88, RR 20, T…
An investigator is developing a new vaccine. Eukaryote ribosomes are utilized to create a novel protein. After the aminoacyl-tRNA binds to the A site, which of the following is the…
A 25-year-old male presents with red-green color blindness. Population screening reveals an allele frequency of color blindness in males at 1 in 100. Genetic testing confirms X-lin…
A 52-year-old woman from a region with longstanding dietary iodine deficiency presents with a solitary thyroid nodule. Vital signs are stable (BP 128/82, HR 78, RR 16, Temp 37°C). …
A 17-year-old 46, XY phenotypic female with primary amenorrhea presents with BP 152/94 mmHg, HR 88, RR 16, temp 37°C. Labs show cortisol 3 mcg/dL (low), testosterone 18 ng/dL (low)…
A 40-year-old woman presents with a thyroid nodule discovered on ultrasound. Vital signs are stable (BP 128/82, HR 78, RR 16, Temp 37°C). Laboratory studies reveal elevated calcito…
A 56-year-old woman presents with recurrent nephrolithiasis and progressive diffuse bone pain. Vital signs: BP 138/82 mmHg, HR 88/min, RR 14/min, temperature 37.2°C. Laboratory stu…
A 15-year-old girl presents with primary amenorrhea and short stature. Vital signs show BP 138/82 mmHg, HR 78/min, RR 16/min, temp 37°C. Physical examination reveals webbed neck, w…
A 33-year-old woman with a history of therapeutic neck radiation in childhood presents with a painless thyroid nodule. Vital signs are stable: BP 118/76, HR 82, RR 16, Temp 37°C, S…
A 26-year-old woman presents with a 3-month history of progressive weight loss despite increased appetite, palpitations, heat intolerance, and anxiety. Vital signs show BP 142/88 m…
A 43-year-old woman presents with a 2-cm thyroid nodule discovered on palpation. She denies dysphagia, dyspnea, or neck pain. Vital signs: BP 128/82, HR 88, RR 16, Temp 37°C, SpO2 …
A 36-year-old woman with Graves disease started on methimazole 3 weeks ago presents with fever (38.9°C), severe pharyngitis, and cervical lymphadenopathy. Vital signs show HR 102/m…
A 56-year-old woman with poorly controlled type 2 diabetes mellitus presents with a 3-week history of weight loss and perioral stomatitis. Vital signs: BP 138/82, HR 92, RR 18, Tem…
A 62 year old man with a long smoking history presents with new onset diabetes, proximal muscle weakness, hypokalemic metabolic alkalosis, and diffuse hyperpigmentation. Cortisol i…
A 12-year-old boy presents with muscle cramps, paresthesias, and a history of developmental delay. Vital signs: BP 118/76 mmHg, HR 88 bpm, RR 16/min, Temp 37°C, SpO2 98% on room ai…
A 19-year-old man with a marfanoid body habitus presents with a thyroid nodule. Physical examination reveals mucosal neuromas on the lips and tongue. Vital signs: BP 128/82, HR 88,…
A 70-year-old woman comes to the physician because of a 4-month history of fatigue, worsening swelling of her ankles, and a 5-kg (11-lb) weight gain. Neurologic examination shows d…
A 43-year-old woman presents with recurrent episodes of diaphoresis, tremor, and confusion that resolve after consuming juice. Vital signs show HR 102, BP 138/88, RR 16, temp 37°C.…
A 52-year-old woman presents with rapidly progressive renal failure and hematuria. Vital signs show BP 158/92 mmHg, HR 98/min, RR 20/min, Temp 37.2°C, SpO2 98% on room air. Serum c…
A 46-year-old man with bipolar disorder presents with polyuria and polydipsia. He has taken lithium for 8 years. Vital signs show BP 138/82 mmHg, HR 88/min, RR 16/min, temp 37°C, S…
A 28-year-old man presents for evaluation before a high-altitude mountaineering expedition. Vital signs: BP 118/76 mmHg, HR 72 bpm, RR 16 breaths/min, SpO2 98% at sea level. He is …
A 59-year-old man with stage 4 chronic kidney disease presents with diffuse bone pain and pruritus. Vital signs: BP 148/92 mmHg, HR 88/min, RR 16/min, temp 37°C. Laboratory studies…
A 67-year-old man with diffuse atherosclerosis presents with recurrent flash pulmonary edema. Vital signs show BP 198/112 mmHg, HR 102/min, RR 24/min, and SpO2 94% on room air. Lab…
A 29 year old man is brought to the emergency department after being found confused in a garage. He is tachypneic. Laboratory studies show an elevated anion gap metabolic acidosis,…