The brain of a person with Alzheimer disease shows excessive amounts of
A) hormonal deficiency.
B) neurofibrillary tangles.
C) amyloid plaque.
D) both neurofibrillary tangles and amyloid plaque.

Question

Quizplus · Accepted Answer

Both neurofibrillary tangles and amyloid plaque are present in excess in the brain tissue of individuals with Alzheimer's disease. Neurofibrillary tangles are abnormal accumulations of the protein tau within nerve cells, while amyloid plaque is made up of protein fragments called beta-amyloid, which build up between nerve cells.

The Brain of a Person with Alzheimer Disease Shows Excessive