Multiple Choice
Excessive senile plaques and neurofibrillary tangles in the brains of people with Alzheimer's disease are likely due to:
A) increased dopamine and serotonin activity.
B) abnormal beta-amyloid and tau protein activity.
C) exposure to toxic chemicals from one's environment.
D) cerebrovascular damage caused by high blood pressure.
Correct Answer:

Verified
Correct Answer:
Verified
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