Answer:
b. Medications can slow down the progression of Alzheimer's disease.
Step-by-step explanation:
Unfortunate as it is, medications can only slow down the progression of Alzhemier's disease & cannot fully cure it.
In this disease, tau & amyloid proteins build a mass around brain cells causing them to degenerate & die. There's no known cure for it but medications can help slow down the build up & increase the life expectancy of the affected person.
So, options a, c & d are false as medications cannot reverse or cure the disease but aren't ineffective as well.
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Hope this helps!