An older adult drove to a nearby store but was unable to remember how to get home or state an address. When police took the person home, the spouse reported frequent wandering into neighbors' homes. Which stage of Alzheimer disease is evident?

A) 1 (mild)
B) 2 (moderate)
C) 3 (moderate to severe)
D) 4 (late)

In stage 2 (moderate), deterioration is evident. Memory loss may include the inability to remember addresses or the date. Activities such as driving may become hazardous, and frustration by the increasing difficulty of performing ordinary tasks may be experienced. Hygiene may begin to deteriorate. Stage 3 (moderate to severe) finds the individual unable to identify familiar objects or people and needing direction for the simplest of tasks. In stage 4 (late), the ability to talk and walk is eventually lost, and stupor evolves.