Donepezil (Aricept) reduces symptoms for patients diagnosed with mild to moderate Alzheimer's disease (AD) by
a. enhancing acetylcholine (Ach) function.
b. inhibiting serotonin reuptake.
c. anti-oxidizing free radicals.
d. reducing GABA action.
A
In AD, the level of ACh in the brain is reduced. ACh is the primary neurochemical that affects memory and the ability to acquire new information. Donepezil is an anticholinesterase inhibitor and improves symptoms by making more ACh available. The drug does not have any of the actions mentioned in the other options.
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