A Nursing Instructor Is Teaching About Donepezil

A nursing instructor is teaching about donepezil. A student asks, "How does this work? Will this cure Alzheimer's disease?" Which reply by the instructor is appropriate?

A) "Donepezil delays the destruction of acetylcholine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease."
B) "Donepezil encourages production of acetylcholine, a chemical in the brain necessary for memory processes. It delays the progression of the disease."
C) "Donepezil delays the destruction of dopamine, a chemical in the brain necessary for memory processes. Although most effective in the early stages, it serves to delay, but not stop, the progression of the disease."
D) "Donepezil encourages production of dopamine, a chemical in the brain necessary for memory processes. It delays the progression of the disease."