Muira, a 70-year-old woman, has been diagnosed with a progressive brain disease that makes it difficult for her to manage daily tasks such as selecting clothes, recalling names and addresses, and driving. She becomes confused and gets lost in streets and stores. She also suffers from paranoid delusions. Muira is most likely suffering from _____.

A) Alzheimer's disease
B) Crohn's disease
C) German measles
D) Asperger's syndrome

Muira's symptoms, including difficulty managing daily tasks, confusion, getting lost, and paranoid delusions, are characteristic of Alzheimer's disease, a progressive brain disorder that affects memory, thinking, and behavior. Crohn's disease is an inflammatory bowel disease, German measles is a viral infection, and Asperger's syndrome is an autism spectrum disorder affecting social interactions, none of which match her symptoms.