Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 58-year-old woman with a 10-year history of migraine without aura presents to the emergency department after experiencing sudden-onset weakness of her right arm and hand that beg…
A 55-year-old man with poorly controlled hypertension presents with sudden severe occipital headache, confusion, and vision loss. Vital signs show BP 210/130 mmHg, HR 92/min, RR 18…
A 33-year-old man presents with recurrent episodes of rhythmic jerking isolated to his left hand lasting 20-30 seconds while maintaining full consciousness and conversing normally.…
A 45-year-old woman on oral contraceptives presents with acute onset occipital headache, right homonymous hemianopsia, and mild left-sided weakness. Vital signs show BP 138/82, HR …
A 72-year-old woman with atrial fibrillation not on anticoagulation presents with acute left-sided hemiparesis and facial droop. Vital signs show BP 158/92 mmHg, HR 98 and irregula…
A 10-year-old boy presents with multiple daily 5-10 second staring spells accompanied by eyelid fluttering and lip smacking, without postictal confusion. Vital signs are normal; ne…
A 79-year-old man on warfarin for atrial fibrillation presents with progressive confusion and headache 2 weeks after a minor fall. Vital signs show BP 158/92 mmHg, HR 88/min, RR 16…
A 15 year old girl is evaluated for headaches and leg fatigue with exercise. Blood pressure in the arms is 162/88 mm Hg and in the legs is 108/66 mm Hg. Femoral pulses are weak and…
A 63-year-old man with hypertension presents after sudden collapse. Vital signs: BP 168/94 mmHg, HR 92/min, RR 16/min, temp 37.2°C. He is intubated and awake. Examination reveals p…
A 59 year old man is brought to the emergency department after abrupt onset of right arm and leg weakness. Examination shows weakness of the right upper and lower extremities, decr…
A 75 year old man develops sudden inability to see objects on the left side of his visual field. He has no motor deficits. He can write normally but cannot read what he has written…
A 72 year old man is brought to the emergency department 45 minutes after sudden onset of slurred speech and inability to move his right arm. He has a history of atrial fibrillatio…
A 55-year-old woman with hypertension presents with sudden severe headache and diplopia. Vital signs show BP 168/98 mmHg, HR 88/min, RR 16/min, temp 37.2°C. Examination reveals rig…
A 64-year-old man with a 2-year history of progressive ataxia, vertical supranuclear gaze palsy, and postural instability presents with newly documented bradykinesia and cogwheel r…
A 51-year-old man with a 12-year history of Parkinson disease presents to clinic complaining of unpredictable episodes where his medications "wear off" within 2-3 hours of taking t…
A 62-year-old woman with no significant past medical history presents to neurology with a 18-month history of progressive gait ataxia, lower extremity incoordination, and dysarthri…
A 71-year-old man with Parkinson disease on levodopa/carbidopa for 8 years develops sudden uncontrolled dyskinetic movements of the limbs and trunk for 30 minutes after each dose o…
A 62-year-old man presents with progressive tremor at rest that worsens with stress and anxiety. He also reports difficulty initiating gait, stooped posture, and bradykinesia. On e…
A 34-year-old woman presents with a 2-day history of acute-onset involuntary jerking movements of the right arm and leg, along with facial droop, dysarthria, and dysphagia. She rep…
An 8-year-old boy presents with progressive truncal ataxia and repeated falls over 3 months. Vital signs show HR 88/min, BP 105/68 mmHg, RR 18/min, temperature 37°C. He denies head…
A 58-year-old woman is brought to the clinic by her husband who reports that she has become increasingly clumsy and forgetful over the past 18 months. He notes that she frequently …
A 72-year-old man with a 15-year history of Parkinson disease presents to the clinic with progressive cognitive decline over the past 18 months, recurrent visual hallucinations of …
A 63-year-old woman presents with recurrent, brief episodes of severe electric shock-like pain over the right cheek triggered by washing her face and chewing. Vital signs show BP 1…
A 58-year-old man presents with progressive headaches, personality changes, and new-onset seizures over 3 months. Vital signs: BP 148/92 mmHg, HR 94 bpm, RR 18, Temp 37.2°C, SpO2 9…