us-abfm MCQ (SBA): Alzheimer disease pharmacotherapy

A 65-year-old woman presents with progressive memory loss over 2 years. She has difficulty recalling recent events and managing finances but retains personal history and language fluency. Neurological examination is otherwise normal. MRI of the brain shows hippocampal atrophy. Laboratory testing for reversible causes is normal. According to current dementia guidelines, which pharmacologic therapy is most appropriate to initiate?