Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 19-year-old woman presents with progressive muscle cramps and weakness. Vital signs: BP 104/64 mmHg, HR 92/min, RR 16/min, temp 37°C. Labs reveal serum potassium 2.8 mEq/L, pH 7.…
A male newborn presents 2 hours after birth with cyanosis, choking, and coughing during his first feeding. Maternal history includes polyhydramnios. Vital signs show tachypnea (RR …
A 54-year-old woman with recurrent calcium nephrolithiasis and hypertension (BP 158/92 mmHg, HR 78/min) is started on hydrochlorothiazide. Recent labs show serum creatinine 1.2 mg/…
A 17-year-old boy presents with severe hypertension (BP 160/105 mmHg) discovered during a sports physical. Vital signs show HR 88 bpm, RR 16, temperature 37°C. Laboratory studies r…
A 12-year-old boy presents with progressive muscle weakness and poor growth. Vital signs show BP 118/76 mmHg, HR 94/min, RR 18/min, temperature 37°C, and SpO2 98% on room air. Labo…
A 45-year-old man with stage 3b chronic kidney disease (eGFR 34 mL/min/1.73m²) presents with BP 148/92 mmHg, HR 78/min, RR 16/min. Serum creatinine is 2.1 mg/dL with normal urinaly…
A 47-year-old woman presents with fever (38.8°C), pruritic rash, and left flank pain 10 days after initiating omeprazole for reflux. Vital signs show BP 142/88 mmHg, HR 98/min, RR …
A 48-year-old man presents with severe hemorrhage following a motor vehicle collision. Vital signs show BP 85/52, HR 118, RR 22, SpO2 98% on room air. Serum creatinine is 2.1 mg/dL…
A 32-year-old man is brought to the emergency department after heroin overdose. Vital signs show BP 98/62, HR 52, RR 6, temperature 35.8°C, SpO2 84% on room air. Arterial blood gas…
A 67-year-old man with severe lobar pneumonia presents with profound hypoxemia (SpO2 78% on room air). Vital signs show BP 142/88, HR 118, RR 28, Temp 39.2°C. Chest X-ray demonstra…
A 9-year-old boy with neonatal meconium ileus presents with recurrent pneumonia, chronic productive cough, steatorrhea, and poor weight gain. Vital signs: HR 102/min, RR 24/min, Sp…
A 17-year-old girl with episodic wheezing, chest tightness, and cough triggered by cat exposure and exercise presents with HR 102 bpm, RR 22/min, and SpO2 98% on room air. Symptoms…
A 24-year-old man with acute asthma exacerbation presents with wheezing and dyspnea. Vital signs show BP 128/82 mmHg, HR 112/min, RR 28/min, temperature 37.2°C, and SpO2 89% on roo…
A 33-year-old man with newly diagnosed pulmonary tuberculosis (CXR: upper lobe infiltrates) started on rifampin, isoniazid, pyrazinamide, and ethambutol presents with numbness and …
A 24 year old woman with photosensitive rash and joint pain presents with edema, hypertension, and cola colored urine. Laboratory studies show positive anti double stranded DNA ant…
A 71 year old man is admitted for septic shock due to pneumonia. He remains hypotensive for several hours despite fluid resuscitation. Two days later his serum creatinine rises sha…
A 29 year old woman presents with fever, chills, nausea, and left flank pain. She has a history of recurrent urinary tract infections. Temperature is 39.1 C and costovertebral angl…
A 58-year-old woman hospitalized with infective endocarditis receives intravenous gentamicin therapy. After 7 days, she develops oliguria with BP 128/82 mmHg, HR 92/min, and SpO2 9…
A 63 year old man with long standing rheumatoid arthritis develops generalized edema and frothy urine. Urinalysis shows heavy proteinuria. Serum creatinine is mildly elevated. Rena…
A 6 year old boy is brought to the clinic for facial puffiness and swelling of the legs for 1 week. He had an upper respiratory infection 2 weeks ago. Physical examination shows pe…
A 21 year old man presents with recurrent episodes of visible blood in the urine. He notes that each episode begins 1 to 2 days after a sore throat or viral upper respiratory illne…
A 29-year-old tall thin man suddenly develops severe pleuritic chest pain and dyspnea while playing basketball. In the emergency department he is tachycardic, hypotensive, and has …
A 35-year-old man is brought to the emergency department 18 hours after being trapped under a collapsed scaffold at a construction site. He reports severe pain in both legs and dar…
A 26 year old man travels from Boston to a ski resort in Colorado at 3200 meters above sea level. On the first day he develops headache and tachypnea. Two days later his tissues ar…