Which of the Following Statements About Alzheimer's Disease Is True

Multiple Choice

Which of the following statements about Alzheimer's disease is true?

A) By 2030, the number of Americans with Alzheimer's is expected to be cut in half.
B) At first, recent memory is most impaired, but as serious disorientation sets in, recall of distant events evaporates.
C) Among the early symptoms of the disease are depression, loss of the ability to speak, and imaginary fears.
D) Alzheimer's accounts for about one-quarter of all dementia cases, though at older ages, the percentage declines.