Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 4 year old boy is diagnosed with bilateral retinoblastoma. Genetic testing reveals a germline loss of one copy of the RB gene, and the tumor developed after somatic loss of the s…
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 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 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 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 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 22-year-old woman presents with recurrent shoulder and knee dislocations. Vital signs: BP 118/76, HR 88, RR 16, Temp 37°C, SpO2 98%. Physical examination reveals hyperextensible …
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 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 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 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 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 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 7-year-old boy presents with bleeding gums, perifollicular hemorrhages, and poor wound healing following a 6-month restrictive diet. Vital signs show HR 92/min, BP 105/68 mmHg, a…
A 45 year old man with a history of heavy alcohol use presents with severe epigastric pain radiating to the back and repeated vomiting. Serum lipase is markedly elevated. CT of the…
A 56-year-old woman presents with progressive vision loss and floaters over 2 months. She reports no eye pain or photopsia. Vital signs are stable. Ophthalmologic examination revea…
A 67 year old man comes to the emergency department with 90 minutes of crushing substernal chest pain radiating to the left arm. He has hypertension, hyperlipidemia, and a 40 pack …
A 38 year old man employed in an industrial cleaning facility is accidentally exposed to carbon tetrachloride. Several hours later he develops right upper quadrant pain and elevate…
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 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 58-year-old man presents with a painful violaceous scalp mass that developed 8 years after radiation therapy for brain lymphoma. Vital signs show BP 138/82, HR 88, RR 16, Temp 37…
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 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 62-year-old man with a 40-pack-year smoking history presents to the emergency department with hemoptysis and dyspnea. Chest X-ray shows a central lung mass with post-obstructive …