The brains of people with Alzheimer's disease develop:
A) an enlarged hippocampus and hypothalamus.
B) an abundance of beta-amyloid plaques and neurofibrillary tangles.
C) shrunken ventricles and loss of cerebral spinal fluid.
D) a proliferation of new neurons in the hippocampus.

Question

Quizplus · Accepted Answer

The accumulation of beta-amyloid plaques and neurofibrillary tangles in the brain are hallmarks of Alzheimer's disease. These abnormal proteins interfere with communication among brain cells and cause damage, leading to the cognitive and memory impairments seen in Alzheimer's. Choices A, C, and D are not accurate descriptions of the changes seen in the brains of people with Alzheimer's.

The Brains of People with Alzheimer's Disease Develop