Alzheimer's Disease Is Categorized into Stages

Multiple Choice

Alzheimer's disease is categorized into stages.Which of the following symptoms is characteristic of the severe cognitive decline phase?

A) Forgetfulness marked by loss of familiar objects such as keys and the inability to remember the names of friends and family
B) Inability to walk without assistance; needing help with feeding and toileting
C) Inability to recall phone numbers and personal history details; confusion as to day,time,or season; difficulty with simple arithmetic
D) Inability to perform daily tasks; needing help with activities of daily living; changes in sleep-wake cycle; personality changes (which can lead to delusions) ; possible wandering and becoming lost