Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 63 year old man undergoes colonoscopy after a positive stool DNA screening test. A 2.5 cm pedunculated adenoma is removed from the sigmoid colon. Molecular analysis of the adenom…
A 67-year-old man with a 3-month history of progressive weight loss and epigastric pain radiating to the back presents with painless jaundice. Vital signs: BP 128/82, HR 94, RR 16,…
A 47-year-old man presents with a 3-month history of fatigue, early satiety, and 12-lb unintentional weight loss. Vital signs: BP 138/82, HR 102, RR 18, Temp 37.2°C, SpO2 98% on ro…
A 49-year-old woman with metastatic breast cancer (HR 98, BP 128/82, RR 16, T 37.2°C) initially responds to doxorubicin and cyclophosphamide but develops progression at 18 months. …
A 58-year-old man with history of smoking presents with acute chest pain, diaphoresis, and dyspnea. Vital signs show BP 142/88 mmHg, HR 102 bpm, RR 18, temp 37.2°C, SpO2 98% on roo…
A 7-year-old boy with a restrictive diet avoiding fruits and vegetables presents with gum bleeding, perifollicular hemorrhages, and delayed wound healing. Vital signs: BP 95/60, HR…
A 2-year-old boy presents with recurrent skin and mucosal bacterial infections, delayed umbilical cord separation at 6 weeks of life, and fever (38.5°C). Vital signs show HR 110/mi…
A 19-year-old college student presents with acute bacterial meningitis. Vital signs show BP 118/76 mmHg, HR 102 bpm, RR 22/min, temperature 39.2°C, and SpO2 98% on room air. CSF an…
A 26-year-old man presents with fever (38.9°C), tachycardia (102 bpm), and a painful fluctuant nodule on the posterior neck 3 days after shaving. Vital signs show normal respirator…
A 68-year-old man presents with a 3-month history of bloody diarrhea and weight loss. Colonoscopy reveals a 4-cm mass in the sigmoid colon; biopsy confirms adenocarcinoma. A tumor …
A 52 year old woman is evaluated for severe headache and blurry vision. Blood pressure is 248 over 138 mm Hg. Funduscopic examination shows papilledema and flame hemorrhages. Serum…
A 64 year old man with a 50 pack year smoking history presents with weight loss, cough, constipation, and confusion. Chest imaging reveals a hilar mass. Laboratory studies show cal…
A 58-year-old woman presents with a palpable left breast mass. Vital signs show BP 128/82, HR 82, RR 16, temp 37°C, SpO2 98%. Mammography reveals a 2.3 cm irregular density with mi…
A 61-year-old man develops crushing substernal chest pain while shoveling snow and arrives 20 minutes after symptom onset. Vital signs: BP 158/92 mmHg, HR 102 bpm, RR 18, temp 37.2…
A 42-year-old woman undergoes appendectomy for acute appendicitis. Her postoperative course is complicated by wound erythema and edema on postoperative day 5. Vital signs show HR 8…
A 5 year old boy is brought to the emergency department because of decreased urine output and lethargy 5 days after an episode of bloody diarrhea from undercooked beef. He is pale …
A 64-year-old man with a 50-year smoking history presents with dyspnea and chest pain. Vital signs show BP 138/82, HR 102, RR 22, SpO2 88% on room air. Chest CT reveals a 6 cm cent…
A 59 year old man with an acute myocardial infarction undergoes successful percutaneous coronary intervention 45 minutes after symptom onset. Initially his chest pain improves, but…
A 54-year-old man with a 35 pack-year smoking history presents with chronic productive cough for 8 months. Vital signs: BP 138/82 mmHg, HR 88/min, RR 18/min, SpO2 98% on room air. …
A 35-year-old woman presents with abdominal pain and is found on colonoscopy to have multiple adenomatous polyps throughout her colon. She also has osteomas of the jaw, congenital …
A 58-year-old woman presents with painless generalized lymphadenopathy and fatigue. Vital signs show HR 88 bpm, BP 128/82 mmHg, temp 37.2°C, RR 16, SpO2 98%. Labs reveal hemoglobin…
A 76 year old man presents with exertional dyspnea and syncope. Cardiac examination reveals a late peaking systolic crescendo decrescendo murmur at the right upper sternal border r…
A 59-year-old woman presents with right upper quadrant pain, weight loss, and jaundice. Vital signs show BP 128/82, HR 92, RR 16, Temp 37.2°C, SpO2 98%. CT abdomen reveals a 4-cm h…
A 24 year old woman undergoes emergency delivery for placental abruption. Shortly afterward she develops diffuse oozing from venipuncture sites, hypotension, and hematuria. Laborat…