Neurodegenerative Diseases USMLE Step 1 Practice Question
A 52-year-old woman presents with a 2-year history of progressive bilateral hand tremor worsened by intentional movement and temporarily improved by alcohol consumption. Vital signs: BP 128/82 mmHg, HR 88 bpm, RR 16, Temp 37°C, SpO2 98% on room air. Neurologic examination reveals mild cerebellar dysmetria on finger-to-nose testing; cognitive function and gait are normal. MRI brain shows no atrophy or lesions. She denies headaches and family history is unremarkable. Which diagnosis best explains her presentation?
Answer choices
- AWilson disease
- BHuntington disease
- CCerebellar infarction
- DEssential tremorCorrect answer
- EParkinson disease
- FHyperthyroidism
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