Patients with Alzheimer's disease have profound changes to their brains, which include
A)the death of midbrain neurons that use dopamine
B)the death of specialized neurons in the brain stem
C)the growth of tangles in many new small neurons
D)the growth of clumps of protein fragments called plaques that build up on the outside of neurons

Question

Quizplus · Accepted Answer

Alzheimer's disease is characterized by the accumulation of amyloid plaques outside neurons and neurofibrillary tangles inside neurons, leading to cell death and brain atrophy. The plaques are clumps of protein fragments called beta-amyloid that build up between nerve cells.

Patients with Alzheimer's Disease Have Profound Changes to Their Brains