Which statement is true about plaques and tangles in the brains of older adults?
A) They are only present among older adults with Alzheimer's disease.
B) They are only present during the final stages of Alzheimer's disease.
C) They are also observed in the brains of healthy older adults.
D) They are always reflective of some neurodegenerative disease process.

Question

Quizplus · Accepted Answer

Plaques and tangles are also observed in the brains of healthy older adults. However, the extent and distribution of these abnormalities are generally greater in individuals with Alzheimer's disease. Therefore, their presence alone does not necessarily reflect a neurodegenerative disease process.

Which Statement Is True About Plaques and Tangles in the Brains