Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 5-month-old male presents with progressive weakness and poor head control over 2 months. Vital signs: HR 110, RR 22, SpO2 98% on room air. Examination reveals severe hypotonia, t…
A 15-year-old boy presents with recurrent ankle sprains and progressive difficulty running. Vital signs are normal (BP 118/76, HR 82, RR 16, Temp 37°C, SpO2 98%). Physical examinat…
A 58-year-old man presents with 8 months of progressive weakness in his hands and legs. Vital signs: BP 128/76, HR 82, RR 16, temp 37°C, SpO2 98%. Examination reveals muscle atroph…
A 52-year-old man presents to the emergency department with jaw stiffness and severe generalized muscle spasms 1 week after a puncture wound from a rusty nail. Vital signs show BP …
A 34-year-old woman presents with acute-onset right facial weakness over 24 hours. Vital signs: BP 118/76, HR 82, RR 14, temp 37.2°C, SpO2 98% on room air. She cannot close her rig…
A 29-year-old male farm worker is brought to the emergency department 30 minutes after acute pesticide exposure. He presents with diaphoresis, excessive salivation, abdominal cramp…
A 61-year-old woman presents with brief episodes of excruciating electric shock-like pain over the right cheek and jaw triggered by brushing her teeth and chewing. Vital signs: BP …
A 15-year-old boy presents with progressive difficulty running and recurrent ankle sprains over the past year. Vital signs are normal (BP 118/76, HR 82, RR 16, Temp 98.6°F, SpO2 98…
A 47-year-old woman presents with a 3-week history of progressive weight loss and palpable purpura on her lower extremities. She develops abrupt left wrist drop followed 2 weeks la…
A 55-year-old woman with no psychiatric history presents to the emergency department with involuntary choreiform movements of the face, tongue, and extremities that began 3 months …
A 32-year-old man presents with progressive cognitive decline, myoclonic jerks, and visual disturbances over 6 months. Vital signs: BP 128/82, HR 88, RR 16, Temp 37.2°C, SpO2 98% o…
A 59-year-old man with schizophrenia on haloperidol develops confusion, diffuse lead-pipe rigidity, and diaphoresis 3 days after a dose increase. Vital signs show temperature 39.8°…
A 17-year-old boy presents with severe muscle cramps and dark urine following intense basketball practice. Vital signs show BP 118/76, HR 102, RR 18, temp 37.2°C, SpO2 98%. Serum c…
A 59-year-old man with poorly controlled type 2 diabetes mellitus (HbA1c 9.2%) presents with a 1-year history of progressive burning pain and numbness in both feet. Vital signs: BP…
A 22-year-old man presents with recurrent episodes of generalized weakness beginning after rest following strenuous exercise. Episodes last 20-45 minutes and are associated with mi…
A 55-year-old woman with severe asthma on high-dose prednisone (60 mg daily) for 6 months presents with progressive difficulty rising from chairs and climbing stairs. Vital signs: …
A 71-year-old woman with Parkinson disease treated with levodopa for 8 years presents with repetitive involuntary writhing and choreiform movements beginning 30 minutes after each …
A 35-year-old man presents with a 5-year history of progressive dystonia that began in his left foot. Over the past year, dystonia has developed in his left leg, and more recently …
A 65-year-old man with Parkinson disease for 8 years presents with wearing-off symptoms appearing 2 hours before his next levodopa dose. Vitals: BP 128/76, HR 82, RR 16, Temp 37°C,…
A 58-year-old woman presents with a 2-year history of progressive leg stiffness and mild weakness. Examination reveals hyperreflexia, extensor plantar responses bilaterally, and up…
A 28-year-old man with acute psychosis receives high-dose haloperidol in the emergency department. Several hours later, he presents with severe neck extension, jaw spasm, and upwar…
A 40-year-old man with schizophrenia started haloperidol 2 days ago. He now presents with severe subjective inner restlessness and cannot sit still. Vitals show BP 138/82, HR 98, R…
A 47-year-old man presents with progressive chorea, irritability, and impulsive aggression affecting work performance. Vital signs: BP 128/82, HR 92, RR 16, Temp 37°C, SpO2 98%. MR…
A 38-year-old woman with childhood rheumatic fever presents with involuntary jerky movements of her face and limbs following a recent streptococcal pharyngitis. Vital signs: BP 118…