Seizure Disorders USMLE Step 1 Practice Questions
55 board-style USMLE Step 1 questions in Neurology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · medium25. 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.…
- USMLE Step 1 · medium26. 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 las…
- USMLE Step 1 · easy27. 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. Duri…
- USMLE Step 1 · medium28. A 32-year-old primigravida at 8 months gestation presents with a sudden generalized tonic-clonic seizure. She reports a 2-week history of progressive headaches, blurred vision,…
- USMLE Step 1 · hard29. A 42-year-old man with a history of acute ischemic stroke 6 months ago presents to the emergency department following a seizure witnessed by his wife. She reports he suddenly lo…
- USMLE Step 1 · easy30. A 7-year-old boy is brought to clinic by his mother who reports that he has been having multiple episodes daily where he suddenly stops what he is doing, stares blankly ahead, a…
- USMLE Step 1 · hard31. A 45-year-old man with generalized tonic-clonic seizures has been taking phenytoin 300 mg daily for 3 years with good seizure control. Over the past 6 months, he has experienced…
- USMLE Step 1 · easy32. A 3-year-old previously healthy boy is brought to the emergency department by his mother after experiencing a seizure at home. She reports that this morning he developed fever (…
- USMLE Step 1 · medium33. A 24-year-old woman with no prior medical history presents to the emergency department after a witnessed generalized tonic-clonic seizure lasting approximately 90 seconds. She i…
- USMLE Step 1 · easy34. A 9-year-old girl presents with frequent episodes of blank staring during class lasting 5-10 seconds, provoked by hyperventilation, with no postictal confusion. Vital signs: BP…
- USMLE Step 1 · medium35. A 34-year-old woman presents with recurrent episodes beginning with olfactory hallucinations and déjà vu, followed by lip smacking and 2-3 minutes of altered consciousness. She…
- USMLE Step 1 · easy36. 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…
- USMLE Step 1 · medium37. A 24-year-old woman presents with recurrent convulsive episodes. During a typical spell, video EEG shows asynchronous limb thrashing, eyes tightly closed, and no epileptiform ac…
- USMLE Step 1 · medium38. 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;…
- USMLE Step 1 · easy39. A 9-year-old boy presents with recurrent nocturnal episodes of unilateral facial twitching, drooling, and speech arrest lasting 1-2 minutes, during which he remains fully aware.…
- USMLE Step 1 · easy40. A 20-month-old previously healthy girl presents to the emergency department during an upper respiratory infection after a witnessed 3-minute generalized tonic-clonic seizure. Vi…
- USMLE Step 1 · hard41. A 6-year-old boy presents with recurrent brief episodes of inappropriate laughter without obvious triggers. Physical examination reveals accelerated linear growth and premature…
- USMLE Step 1 · hard42. A 4-year-old boy with developmental delay presents with frequent falls from sudden loss of postural tone and intermittent staring spells. His parents report nocturnal generalize…
- USMLE Step 1 · medium43. A 44-year-old man with alcohol use disorder presents with 8 minutes of continuous generalized convulsions without consciousness recovery. Vitals: BP 148/92, HR 118, RR 22, SpO2…
- USMLE Step 1 · easy44. 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 normal…
- USMLE Step 1 · medium45. A 61-year-old man is brought to the emergency department after rhythmic clonic movements of the right arm and face lasting 90 seconds. After the event resolves, he is awake but…
- USMLE Step 1 · hard46. A 29-year-old woman presents with recurrent episodes beginning with epigastric aura, progressing to lip smacking and impaired awareness lasting several minutes, followed by 20-m…
- USMLE Step 1 · medium47. An 8-month-old boy is evaluated for clusters of sudden flexion of the neck, trunk, and arms that occur shortly after awakening. His parents also report loss of previously acquir…
- USMLE Step 1 · medium48. A 16-year-old girl presents with a 3-month history of sudden bilateral arm jerks upon awakening, particularly after sleep deprivation. This morning, she experienced a generalize…