Mental health and dementiaQuestion 747 of 1700
Which two brain changes are found in Alzheimer’s disease?
- Blood clots and loss of bone mass
- Plaques and tau tangles
- Lewy bodies and kidney stones
- Cysts and scar tissue in the lungs
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Correct answer: Plaques and tau tangles
Abnormal protein deposits form plaques and tangles that kill nerve cells.
Source: Nursing Assistant (Reuter), 10.5: Caring for Clients With Dementia
Questions last reviewed: 18 October 2026