Questões de USMLE
3.602 questões com gabarito e explicação.
Fazer o diagnóstico grátisA 6-year-old boy presents with recurrent brief episodes of inappropriate laughter without obvious triggers. Physical examination reveals accelerated linear growth and premature pub…
A 27-year-old previously healthy man is brought to the emergency department after witnessed sudden loss of consciousness with tonic stiffening followed by bilateral synchronous jer…
A 7-year-old boy is brought to the ED after experiencing two brief episodes of staring, unresponsiveness, and lip smacking lasting 10-15 seconds each, separated by 2 hours. During …
A 45-year-old man with a 3-year history of poorly controlled temporal lobe epilepsy on phenytoin monotherapy presents with new-onset ataxia, tremor, and gum hyperplasia. His last s…
A 3-year-old girl is brought to the clinic with a history of 5 episodes of sudden loss of muscle tone lasting 1-2 seconds, causing her to collapse to the ground without warning. Sh…
A 52-year-old man with no seizure history presents with sudden-onset focal motor seizure involving the right arm lasting 2 minutes, followed by Todd's paralysis of the right arm la…
A 73-year-old woman presents with acute onset apathy and difficulty initiating speech. Vital signs show BP 158/92 mmHg, HR 88 bpm, RR 16, temp 37.2°C, SpO2 98% on room air. Examina…
A 76-year-old man presents with progressive wide-based gait, urinary incontinence, and memory impairment over 6 months. Vital signs: BP 160/90 mmHg, HR 78/min, RR 16/min, T 37°C, S…
A 61-year-old woman with a 6-month history of progressive numbness in her feet and difficulty walking presents with blood pressure 142/88 mmHg, heart rate 78/min, and temperature 3…
A 59-year-old hypertensive man presents with sudden-onset pure motor weakness of the left face, arm, and leg. Vital signs show BP 168/94 mmHg, HR 88/min, RR 16/min, temperature 37.…
A 67-year-old man with hypertension and atrial fibrillation presents with acute onset left facial droop and arm weakness. Vital signs: BP 158/92 mmHg, HR 102 bpm (irregular), RR 16…
A 26-year-old obese woman presents with progressive daily headaches and recurrent transient visual obscurations. Vital signs show BP 138/88 mmHg, HR 82/min, RR 16/min, temp 37.2°C,…
A 68-year-old man with hypertension and a 40 pack-year smoking history presents to his primary care physician with a history of two episodes of left-sided facial droop and arm weak…
A 72-year-old man with hypertension, diabetes, and active smoking presents with acute onset right-sided weakness, right facial droop, and slurred speech. Vital signs show BP 168/94…
A 55-year-old man with hypertension and a 30 pack-year smoking history presents to the emergency department with acute-onset right hemiparesis and expressive aphasia. His wife repo…
A 64-year-old hypertensive man on aspirin presents with sudden loss of vision on the left side in both eyes while reading. Vital signs show BP 168/94 mmHg, HR 88/min, RR 16/min, te…
A 58-year-old woman with hypertension presents after sudden collapse. Vital signs: BP 168/94 mmHg, HR 102, RR 18, temp 37.2°C, SpO2 98%. She is awake and alert with intact vertical…
A 6-month-old infant presents with clusters of sudden brief flexion movements of the arms and trunk occurring 10-20 times per episode, dozens of episodes daily. The mother reports …
A 55-year-old woman with a 10-year history of poorly controlled hypertension presents to the emergency department with acute onset severe headache, nausea, and vomiting. On examina…
A 10-year-old boy with cystic fibrosis presents with progressive gait instability and loss of vibration sense in the lower extremities. Vital signs are stable (BP 110/68, HR 88, RR…
A 55-year-old man with uncontrolled hypertension presents with sudden-onset headache, confusion, and blurred vision. Vital signs: BP 220/140 mmHg, HR 102 bpm, RR 18, Temp 37.2°C, S…
A 68 year old woman presents with sudden weakness while walking to the bathroom. She has hypertension and hyperlipidemia. Examination shows 1 out of 5 strength in the left leg, 4 o…
A 68-year-old man with atrial fibrillation not on anticoagulation presents with sudden, painless loss of vision in his left eye. Vital signs: BP 158/92 mmHg, HR 98 bpm (irregularly…
A 65-year-old man with a 40 pack-year smoking history and hyperlipidemia presents to the emergency department with a second episode of painless right monocular vision loss that res…