A 70-year-old woman is beginning to notice mild memory impairment. She fears she is developing ...

A 70-year-old woman is beginning to notice mild memory impairment. She fears she is developing Alzheimer's disease and asks her granddaughter, a nurse, if this is the case.
 
  What factors would the nurse and her grandmother use to distinguish normal age-related memory impairment from a developing dementia? a. Only dementias interfere with the ability to solve new problems.
  b. Difficulty finding words occurs in dementia but not normal aging.
  c. Normal changes of aging do not interfere with day-to-day functioning.
  d. Dementia progresses much more rapidly than the changes of normal aging.