An 80-year-old client with dementia of the Alzheimer type is admitted to a nursing home. A family member visits and remarks how thin and wrinkled the client has become. Which response by the nurse will help the family member most to understand the aging process?

a) "An 80-year-old client with dementia of the Alzheimer type will experience physical changes due to the aging process."
b) "Thinness and wrinkles are common in individuals with dementia."
c) "Aging and dementia often cause changes in appearance due to decreased collagen production."
d) "It's common for elderly individuals with dementia to experience changes in their physical appearance."