Mental health and dementiaQuestion 735 of 1700

Which type of dementia is the most common?

  1. Vascular dementia
  2. Lewy body dementia
  3. Frontotemporal dementia
  4. Alzheimer’s disease
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Correct answer: Alzheimer’s disease

Alzheimer’s disease accounts for 60-80% of cases.

Source: Nursing Assistant (Reuter), 10.5: Caring for Clients With Dementia

Practice mental health and dementia

Questions last reviewed: 18 October 2026