Which of the following statements is true?

Question

Quizplus · Accepted Answer

Alzheimer's disease is typically diagnosed by the presence of plaques (build up of beta-amyloid protein) and tangles (twisted strands of tau protein) in the brain, as well as a loss of connections between nerve cells. This is determined through brain imaging and examination of brain tissue after death.

B) Alzheimer's disease can involve memory loss, but it is not always acute nor is it the only symptom. 
C) While not all individuals with mild cognitive impairment will develop Alzheimer's disease, the percentage is closer to 50% rather than 20%. 
D) Alzheimer's disease is not communicable, and cannot be diagnosed through brain imaging alone. 
E) The brain actually shrinks in size with progression of Alzheimer's disease, due to the loss of cells and connections.

Which of the Following Statements Is True