What is the key feature of the brain in someone who has Alzheimer's disease?
A. Missing occipital lobe
B. Smaller brain
C. Presence of plaques and tangles
D. Presence of cholesterol and neurons
Answer (2)
The key feature of the brain in someone with Alzheimer's disease is the presence of plaques and tangles. These abnormal protein accumulations affect brain function and contribute to cognitive decline. While the brain may also appear smaller due to neuron loss, plaques and tangles are the hallmark indicators of Alzheimer's. ;
The key feature of the brain in someone with Alzheimer's disease is the presence of plaques and tangles. These abnormal protein accumulations disrupt brain function and are specifically linked to cognitive decline. Therefore, the correct answer is C: Presence of plaques and tangles.
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