Q1.A 68-year-old with fluctuating cognition, visual hallucinations, and Parkinson-like motor symptoms most likely has:
- A.Alzheimer's disease
- B.Frontotemporal dementia
- C.Lewy body dementia
- D.Vascular dementia
Show answer & rationale
Correct: C. The triad of fluctuating cognition, visual hallucinations, and parkinsonism is the classic core feature of Lewy body dementia.